Cat Rotary Track Drill MD6420 SKSS-12 Series Terex Infinity Blasthole Drill Operator & Maintenance Manual – PDF DOWNLOAD
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Cat Rotary Track Drill MD6420 SKSS-12 Series Terex Infinity Blasthole Drill Operator & Maintenance Manual – PDF DOWNLOAD
for Serial No. 1D67C81
Description
Cat Rotary Track Drill MD6420 SKSS-12 Series Terex Infinity Blasthole Drill Operator & Maintenance Manual – PDF DOWNLOAD
DESCRIPTION:
Cat Rotary Track Drill MD6420 SKSS-12 Series Terex Infinity Blasthole Drill Operator & Maintenance Manual – PDF DOWNLOAD
Safety Information
This safety alert symbol indicates important safety messages in this manual. When you see this symbol, carefully read the message that follows and be alert to the possibility of personal injury or property damage.
WARNING:
BEFORE STARTING ENGINE:
● Study Operator and Service Manuals
● Practice All Safety Precautions
● Make Pre-Operation Check
● Learn Controls Before Operating
- It is YOUR responsibility to understand and follow manufacturer’s instructions on machine operation and service, and to observe pertinent safety precautions, laws and regulations. Failure to read and understand this manual and all safety, capacity and instruction placards on the machine before operating the unit, constitutes a misuse of the machine
- . It is your responsibility to know the manufacturer’s specific requirements, government regulations, required precautions and any work hazards which may exist. You must make these known to all personnel working with the equipment or in the area, so that all may take the necessary and required safety precautions. Keep all children, visitors, and untrained personnel away from the equipment.
- It is also your responsibility to operate your equipment with skill, good judgment, and caution. Following recognized safety procedures will help you avoid accidents. Failure to heed these instructions can result in property damage, serious injury or death.
TABLE OF CONTENTS:
Cat Rotary Track Drill MD6420 SKSS-12 Series Terex Infinity Blasthole Drill Operator & Maintenance Manual – PDF DOWNLOAD
SKSS-12_C81_Service Manual.pdf.......................................................... 0 ServiceManual....................................................................... 2 Parts Ordering & Product Support................................................ 4 Safety Information.............................................................. 5 Product Description............................................................. 6 Table of Contents............................................................... 7 General Locator................................................................. 19 Section 1 - Safety.................................................................. 23 Safety.......................................................................... 24 Personal Protective Equipment............................................... 24 Noise....................................................................... 24 Electrical Contact.......................................................... 24 Overhead and Buried Utilities............................................... 24 Contact With Electric Wires................................................. 25 Contaminated Air............................................................ 25 Machine Stability........................................................... 26 Moving and Rotating Parts................................................... 27 High Pressure Air or Fluid.................................................. 27 Before Operation............................................................ 27 During Operation............................................................ 28 Maintenance................................................................. 30 Safety Locator.............................................................. 31 Section 2 Operators Cab/Controls.................................................... 33 Operator’s Controls and Indicators.............................................. 34 Control Panels.............................................................. 34 Right Hand Control Panel........................................................ 35 Instrument Panel and Circuit Breakers........................................... 36 Circuit Breakers............................................................ 36 Light Switches.............................................................. 37 Instrument Panel............................................................ 37 System Pressure Guage Panel..................................................... 38 Left Hand Control Panel......................................................... 40 Foot Control Pedals............................................................. 46 Cab Foot Controls........................................................... 46 Thread Grease Switch........................................................ 46 Pipe Safety Arm Override Switch............................................. 46 Air Conditioner................................................................. 47 Section 3 - Main Frame/Crawlers..................................................... 97 Main Frame Repair............................................................... 98 Leveling Jacks.................................................................. 99 Leveling Jack Cylinders.....................................................100 Mast Elevating Cylinders........................................................101 Crawler Assembly................................................................104 Crawler Component Repair....................................................105 Metric Bolt Torque Specifications...............................................106 Track Maintenance...............................................................107 Before Operating the Machine:...............................................107 General Maintenance.........................................................107 Track Tension Adjustment........................................................108 Hydraulic Tensioner.........................................................109 Description.................................................................110 Nitrogen Tensioner..........................................................111 Hydraulic Tensioner.............................................................112 Repair......................................................................112 Nitrogen Tensioner Assembly.....................................................113 Nitrogen Tensioner - Filling Instructions...................................114 Nitrogen Tensioner - Pressure Check.........................................116 Nitrogen Tensioner - Pressure Release.......................................116 Track Chain - Separate..........................................................118 Track Chain Repair..............................................................120 Track Link - Repair & Replace...............................................120 Track Link - Description....................................................121 Track Shoes Installation........................................................122 Track Link Position.........................................................122 Track Shoe - Mounting to Track Chain........................................122 Track Shoe Bolt Torque (Direct Torque Method)...................................124 Track Shoe Bolt Torque (Torque Turn Method).....................................125 Track Chain and Shoe Installation...............................................126 Track Chain with Shoes......................................................126 Track Chain & Shoe - Assembly & Installation................................126 Final Drive.....................................................................128 Final Drive - General Description...........................................128 Final Drive Unit ...............................................................129 Removal from Track Frame....................................................129 Installation into Track Frame...............................................130 Final Drive Maintenance.........................................................131 Oil Check / Change..........................................................131 Final Drive Oil.................................................................132 Specifications..............................................................132 Recommended Oil.............................................................132 Final Drive Assembly............................................................133 Parking Brake - Description.................................................134 Final Drive Disconnect..........................................................135 Final Drive - Disconnect & Parking Brake........................................136 Towing Procedure - Gear Drive Disconnect....................................136 Parking Brake - Removal & Installation......................................136 Idler Assembly..................................................................137 Idler Unit Removal..............................................................139 Track and Support Rollers.......................................................145 General Description.........................................................145 Track Roller Assembly.......................................................146 Track Roller - Removal & Disassembly........................................147 Support Roller - Removal & Disassembly......................................148 Track and Support Roller - Assembly.........................................149 Track and Support Roller - Test and Install.................................150 Auxiliary Crane.................................................................152 Maintenance.................................................................153 Fuel Tank Fill Assembly.........................................................154 Hydrau-flow Fuel Fill.......................................................154 Section 4 - Engine/Drive Train/Compressor...........................................157 Power Group Locator.............................................................158 Engine..........................................................................159 Engine Oil Pressure Switches................................................159 Engine Service Procedures...................................................159 Engine Fuel System..........................................................160 Oil Reserve Systems.........................................................168 Engine Oil Reserve System (Basic Circuit)...................................168 LED Monitor Readings........................................................169 Adjustment of Running Oil Level.............................................169 Wiring Diagram - Oil Reserve Basic Circuit..................................170 Oil Pressure Switch.........................................................170 Oil Reserve System Servicing................................................170 Troubleshooting.............................................................171 Maintenance.................................................................171 Engine and Compressor Air Cleaners..............................................172 Engine and Compressor Air Cleaner Service...................................173 Flexible Drive Coupling.........................................................176 Flexible Drive Coupling Service.............................................176 Removal.....................................................................177 Installation................................................................177 Mounting Screws and Adhesive................................................177 Pump Drive......................................................................179 Pump Identification.........................................................179 Pump Drive Assembly - Removal and Replacement...............................180 Pump Drive Gearbox..............................................................181 Pump Drive Gearbox - Repair.................................................182 3” Input Shaft Assembly.....................................................184 Hydraulic Pumps.................................................................185 Hydraulic Pumps - Removal and Replacement...................................185 Compressor Installation.........................................................186 Compressor Drive Coupling - Removal and Replacement.........................187 Drill Compressor................................................................191 Drill CompressorModel 20/121475cfm @ 500psi.................................191 High Pressure Compressor........................................................192 Section 1 Safety............................................................192 Description.................................................................195 Compressed Air Functions....................................................195 Compressor Fluid Circuit........................................................199 Compressor Condensation Table...................................................202 Compressor Air Circuit 1475cfm @ 500psi.........................................203 Compressor Air Circuit..........................................................204 Compressor Functional Description...............................................217 Capacity Control System With Poppet Valve, Functional Description...........218 Start Mode..................................................................218 Normal Operation............................................................218 Modulating mode.............................................................218 Unload mode.................................................................218 Shutdown Mode...............................................................219 Compressor Operation............................................................220 General.....................................................................220 Purpose Of Controls.........................................................220 Initial Start-up Procedure..................................................222 Regulator Set Up............................................................222 Subsequent Start-up Procedure...............................................223 Shutdown Procedure..........................................................223 General Operating Instructions..............................................223 Compressor Maintenance..........................................................224 General.....................................................................224 Daily Operation.............................................................224 Maintenance After Initial 50 Hours Of Operation.............................224 Maintenance Every 250 Hours.................................................225 Maintenance Every 500 Hours.................................................225 Maintenance Every 1000 Hours................................................225 Main Drive Shaft Seal Replacement...........................................226 Disassembly Shaft Seal assembly.............................................226 Inspection and Preparation For Seal Assembly................................227 Installation Of The Seal Seat...............................................227 Installation Of The Seal Assembly...........................................227 Installation Of The Seat Retainer...........................................228 Installation of Dust Shield, Gasket and V-Rings.............................228 Interstage Tube.............................................................229 Discharge Check Valve.......................................................230 Separator/Receiver Tank.....................................................231 Minimum Pressure / Check valve..............................................233 Scavenge Line...............................................................234 Compressor Discharge Temperature Switches,Senders and Gauges................235 Thermal/Bypass Valve........................................................236 Fluid Stop Valve............................................................238 Compressor Fluid Filter.....................................................240 Inlet Valve.................................................................242 Compressor Regulation.......................................................244 Relieving Regulators........................................................244 Reducing Regulators.........................................................247 System Blowdown Valve.......................................................249 Running Blowdown Valve......................................................250 Moisture Separator Maintenance..............................................252 Auxiliary Regulator.........................................................253 Troubleshooting.............................................................257 Spare Parts List............................................................260 Compressor Oil Cooler Assembly..................................................261 Compressor oil cooler.......................................................261 Radiator/Hydraulic Oil Cooler Assembly..........................................262 Radiator/Oil Cooler Repair......................................................263 High Pressure Compressor Fluid Cooler...........................................265 Radiator Cooler.................................................................273 Section 5 - Dust Control Systems....................................................281 Water Injection.................................................................283 Water Tanks.................................................................283 Water Tank Top up Solenoid Valve............................................284 Water Injection Pump........................................................286 Water Injection Relief Valve................................................286 Water Injection Control.....................................................287 Water Injection System Circuit..............................................289 Water Pump..................................................................290 Pump Specifications.....................................................290 Servicing Instructions..................................................290 Parts List..............................................................291 Recommended Lubricants..................................................296 Water Pump Drive Coupling...............................................296 Water Injection Valve.......................................................297 Water Injection Ball valve assembly.....................................297 Actuator................................................................299 High Pressure Cleaner.......................................................311 High Pressure Wash-down (Motor and Pump)................................311 Foam Injection..........................................................317 Section 6 - Mast/Rotary Drive/Pipe Rack.............................................319 Mast Weldment...................................................................320 Mast Repair.................................................................320 Mast Assembly...................................................................321 Mast Pivot..................................................................322 Feed Cylinders..................................................................323 Feed Cylinder - Removal.....................................................325 Feed Cylinder Assembly..........................................................327 Feed Cylinder...................................................................328 Repair......................................................................328 Installation................................................................328 Hoist/Pulldown Cable Adjustment.................................................329 Hoist/Pulldown Cable Replacement................................................332 Rotary Drive Assembly...........................................................334 Rotary Head Guide Alignment.................................................335 Rotary Head - Drive System..................................................336 Rotary Drive - Removal from Mast............................................337 Rotary Drive Gearbox............................................................338 Rotary Drive Gearbox - Item Listing.........................................339 Rotary Head Bull Shaft Bearing Nut..........................................339 Rotary Drive Gearbox - Repair...............................................340 Air Swivel..................................................................341 Winch Assembly..................................................................342 Precautions on the Use of Winches...........................................342 Wire Rope...................................................................342 Wedge Sockets...............................................................344 Grooved Drums...............................................................345 Plain (Smooth) Drums........................................................345 Drums - Multiple Layers.....................................................345 Winch Assembly Service......................................................346 Hydraulic Winch.............................................................347 Deck Wrench.....................................................................378 H.O.B.O. Wrench.................................................................379 Pipe Safety Arm.................................................................380 Pipe Positioner.................................................................381 Carousel Pipe Rack..............................................................382 Major Components............................................................382 Rod Handling - Carousal Indexing............................................383 General Information.........................................................385 Pipe Rack Bearings - Removal................................................385 Pipe Rack Components - Inspection...........................................388 Pipe Rack - Assembly and Installation.......................................389 Pipe Rack Roller - Remove and Replace.......................................390 Pipe Rack Roller -Disassembly and Assembly..................................391 Section 7 - Hydraulic Systems.......................................................393 Hydraulic Symbols...............................................................394 Pressure Setting Sequence.......................................................396 Hydraulic Tank..................................................................398 Return hydraulic filters....................................................399 Main Return and Case Drain Filter...............................................400 Routine Maintenance.........................................................401 Changing Filter Elements....................................................401 Main Hydraulic Pumps............................................................402 Pump Identification.........................................................402 Right Track, Left Track/Rotation Pumps..........................................403 Hydraulic Piston Pumps - Removal and Replacement............................403 Hydraulic Piston Pumps - Operation, Specifications,Adjustment and Repair....403 AA4VG 180 Hydraulic Pump HD/D Control.......................................404 Technical Data..............................................................406 Port Locations..............................................................410 Setting Procedure...........................................................411 Charge Pressure, High Pressure,P.O.R. and Zero Position settings............412 Set Charge Pressure.........................................................412 Set Crossover Relief (High Pressure)........................................413 Set Pressure Override (P.O.R.)..............................................414 Set Mechanical Zero Position - HD Pump Control..............................415 Set Hydraulic Zero Position - HD Pump Control...............................416 Removal and Inspection of Charge Pump.......................................417 Removal and Installation of Shaft Seal......................................418 Routine Maintenance.........................................................419 Maintenance.................................................................420 Charge Filter...................................................................422 Routine Maintenance.........................................................422 Changing Filter Elements....................................................422 Tram/Rotation Pump Circuit......................................................424 Rotation Circuit............................................................426 Rotary Torque Control (Pump Controller Method)..............................427 Rotary Torque ControlCircuit C80............................................428 Rotation/Tram Motor Circuit.................................................429 Loop Filters....................................................................430 Routine Maintenance.........................................................430 Changing Filter Elements....................................................433 Rotary Drive Gearbox Motor......................................................434 Rotary Drive Gearbox Motor - Test and Repair................................434 Case leakage Bypass test....................................................434 Shaft Seal Replacement......................................................435 Rotary Drive Gearbox Motor Assembly.........................................436 Trouble Shooting............................................................437 Feed and Auxiliary Pump Circuit.................................................439 Hydraulic Piston Pumps - Removal and Replacement............................439 Hydraulic Piston Pumps - Operation,Specifications, Adjustment and Repair....439 AA11VLO- Pump...............................................................440 Feed & Auxiliary Functions Pump.............................................442 Repair InstructionsShaft Seal Change........................................443 Pump Replacement - Start Up.................................................444 Auxiliary and Feed Circuits.................................................445 Main Control Valves.............................................................446 Valve Stand Assembly........................................................446 MP18 Valve - Jack and Mast Raise Valve..........................................447 MP22 Valve - Hoist and Pulldown Control.........................................449 4WE6 - Aux. Functions and Mast Valves...........................................452 Counterbalance Valves...........................................................456 Counterbalance Valve Adjustments............................................456 Pilot Control Manifold..........................................................457 Pilot Control Manifold Schematic............................................458 Control Valve Assembly..........................................................459 Auxiliary Pump Load Solenoid Valve..........................................459 Shuttle Valve - V04.........................................................459 Auxiliary Pump Load Sense Relief............................................459 Jacks/Mast raise Load Sense relief..........................................460 Drill/Tram Interlock Solenoid Valve.........................................460 Drill/Tram Solenoid Valve...................................................461 Auto Pulldown Solenoid Valve................................................461 Pilot Operated Directional Valve (RotationTorque Control On/Off)............461 Set-up Interlock Solenoid Valve.............................................461 Auto Pulldown Pressure Reducing Valve.......................................462 Shuttle Valve - V13.........................................................462 Surge Protection Relief Valve...............................................462 Maximum Pulldown Pressure Relief............................................463 2nd Maximum Pulldown Relief Valve...........................................463 Reduced Pulldown Relief Valve...............................................463 Reduced Pulldown Solenoid Valve.............................................463 Shuttle Valve - V19.........................................................464 Orifice.....................................................................464 Maximum Rotation Pressure Relief............................................464 Surge Protection Pressure Reducing/Relieving Valve..........................464 Feed Valve Assembly.............................................................465 Hoist/Pulldown Control Valve 410665 MP22....................................465 Set Max. Pulldown Relief Valve (V15)........................................465 Feed Control Valve..........................................................467 Hydraulic Feed Circuit..........................................................468 Procedure for adjustment: Valve “A”.........................................469 Hydraulic Feed Circuit Schematic............................................470 Procedure for adjusting Valve “F”:..........................................471 Holdback Control................................................................473 Jack Control and Mast Elevating Circuit.........................................474 Leveling Jack Cylinders.........................................................476 Counterbalance Valve Test Procedure.........................................477 Auxiliary Functions Circuit.....................................................480 Hydraulic Operated Breakout Wrench..............................................482 Setting of HOBO Sequence Valves.............................................483 Pipe Positioner Sequence Valves.................................................484 Setting of Pipe Positioner Sequence Valves..................................484 Pipe Safety Arm Sequence Valves.................................................485 Pipe Safety Arm.............................................................485 Setting of Pipe Safety Arm Sequence Valves..................................485 Hydraulic Gear Pumps............................................................486 Hydraulic Gear Pumps - Removal and Replacement..............................486 Hydraulic Gear Pumps - Repairs, Operation,Specifications and Adjustment.....486 Hydraulic Gear Pumps - Shaft Seal Removal and Replacement...................487 Remove Shaft Seal...........................................................487 Replace Shaft Seal..........................................................488 Cooler Fan Circuit..............................................................489 Fan Motor Circuit...........................................................489 Adjustment..................................................................489 Cooler Fan Circuit - Schematic..............................................490 Cooler Fan Circuit - Basic Circuit..........................................491 Cooler Fan Motor................................................................492 Hydraulic Motor.............................................................492 Hydraulic Thermostatic Valve....................................................496 Hydraulic cooler - Thermal valve............................................496 Central Lube....................................................................497 Auto Lube...................................................................497 Hydraulic Circuit...........................................................498 Air Conditioner Compressor Drive Circuit........................................499 Air Conditioner Drive Motor.....................................................500 Specifications..............................................................500 Water Injection Circuit.........................................................504 Water Injection Pump........................................................504 Water Injection valve.......................................................505 Water InjectionElectrical Circuit...........................................506 Water Injection Valve...........................................................507 Water Pump Motor................................................................524 Shaft Seal Repair...........................................................525 Hydraulic Cylinder Repair.......................................................528 Hydraulic Cylinders Identification..........................................528 Hydraulic Cylinder Repair.......................................................529 General Information.........................................................529 Section 8 - Vigilante Guide and Electrical Components...............................545 Electrical Locator..............................................................546 Batteries.......................................................................549 Jump Starting...................................................................550 Welding Precautions.............................................................552 Vigilante Guide.................................................................553 CONTENTS....................................................................553 IMPORTANT Information.......................................................554 PLC.........................................................................555 EEPROM......................................................................556 Output Card.................................................................557 Touchscreen.................................................................558 Laser Depth System..........................................................559 Safety Instructions & Precautions...........................................560 Pipe in Hole Detection......................................................561 Distance Meter..............................................................561 Start Up and Shut Down......................................................562 Hydraulic Function Enable...................................................562 Alarms......................................................................562 Solenoid Control............................................................563 Auto Lube...................................................................566 Hammer Oiler System.........................................................566 Gauges......................................................................567 Pressure Transducer.........................................................567 Level Transducer............................................................567 Hammer Oil Level Transducer.................................................567 Temperature Transducer......................................................568 Water Flow Transducer.......................................................570 Inclinometers...............................................................571 Head Speed Module...........................................................572 Level Switches..............................................................573 Dust Suppression............................................................573 Turkey Spray................................................................573 Water Suppression Tank - Top Up.............................................573 Vigilante System Component Information..........................................574 CONTENTS....................................................................574 Head Speed Module...............................................................575 Inclinometer....................................................................577 Ladder Prox Switch..............................................................580 Laser...........................................................................581 Level Switches..................................................................593 Radiator Level Switch...........................................................597 Level Transducers...............................................................601 Hammer Oil Level Transducer.....................................................611 Pressure Transducers............................................................613 Temperature Transducer..........................................................622 Temperature Sensor..............................................................634 Water Flow Transducer...........................................................635 Water Control Module............................................................649 Rod Counter Prox Switch.........................................................656 Remote Fuel Level Display.......................................................657 Section 9 - Lubrication and Preventative Maintenance................................659 Central Lube System.............................................................660 Hydraulic Control Schematic.................................................661 Auto Lube...................................................................661 Central Lube System Circuit Drawing.............................................663 Central Lube Tank Assembly......................................................664 Central Lube System Technical Data..............................................665 Central Lube Pump Module....................................................666 Vent Valve..................................................................702 SL-1 Injector Assembly......................................................704 Hammer Oiler Tank Assembly......................................................706 Hammer Oil Circuit..............................................................707 Auto Mode...................................................................707 Manual Mode.................................................................707 Air Service Unit Components.................................................708 Filter Regulator............................................................709 Air Line Oiler..............................................................710 Hammer Oil System...............................................................711 Hammer Oil System - Pump....................................................711 Pipe Thread Lubricator..........................................................728 Filter Regulator............................................................729 Air Line Lubricator.........................................................730 Pipe Thread Pump............................................................731 Filter Locator..................................................................739 Filter Location Assembly....................................................740 Lubrication And Maintenance.....................................................741 Safety......................................................................741 Track Gear..................................................................741 Engine Maintenance..........................................................742 Air Cleaners................................................................743 Air Filter Elements.........................................................743 Pump Drive And Drive Shaft Maintenance......................................744 Compressor Maintenance......................................................744 A-Frame And Pivot Point Maintenance.........................................745 Pull Down And Hoist Ropes AndSheaves Maintenance............................746 Rotary Head Maintenance.....................................................746 Hydraulic System Maintenance................................................747 Hydraulic Maintenance.......................................................747 Water Pump Maintenance......................................................748 Cab Maintenance.............................................................748 Air Conditioner Maintenance.................................................748 Battery Maintenance.........................................................749 Lubrication System Maintenance..............................................749 Fire Suppression Maintenance................................................749 Equipment Lubrication.......................................................750 Lubrication & Maintenance Chart - 250hr.........................................751 Lubrication & Maintenance Chart - 500hr.........................................761 Lubrication & Maintenance Chart - 1000hr........................................772 Lubrication & Maintenance Chart - 2000hr........................................783 NOTES...........................................................................795 Lubricant Specifications........................................................796 Hydraulic System............................................................796 Hydraulic Tank Capacity.....................................................796 Compressor Lubrication......................................................797 Compressor Lubricant Specifications.........................................797 Lubricating Grease..........................................................798 Gear Lubricant..............................................................798 Scheduled Oil Sampling Analysis.............................................798 Torque Values for Split Flange Connections......................................799 Torque Values for Hydraulic Tubes & Fittings....................................800 Torque Values for Standard Fasteners............................................801
CAT ROTARY TRACK DRILL MD6420 SKSS-12 SERIES TEREX INFINITY BLASTHOLE DRILL OPERATOR & MAINTENANCE MANUAL – PDF DOWNLOAD:
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