Cat Rotary Track Drill MD6240 SKF-12 Infinity Blasthole Drill Service Manual – PDF DOWNLOAD
DESCRIPTION:
Cat Rotary Track Drill MD6240 SKF-12 Infinity Blasthole Drill Service Manual – PDF DOWNLOAD
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:
β’ Study Operator and Service Manuals
β’ Study Engine Operator and Maintenance Manual
β’ Practice All Safety Precautions
β’ Make Pre-Operation Check
β’ Learn Controls Before Operating
WARNING:
DO NOT use this machine for any other purpose than blasthole drilling. The Infinity Series rotary blasthole drill is designed for blasthole drilling purposes only. Any other use could result in personal injury and/or property damage and will void the warranty
CAUTION:
Each person performing service work must be satisfied that they have adequate knowledge and training to perform the required tasks. A thorough understanding of hydraulic and pneumatic systems as well as electrical and mechanical knowledge and experience is required
This manual is furnished with your Infinity Series rotary blasthole drill to aid you in performing the necessary service work to maintain your drill in good operating condition.
This manual contains repair and adjustment information for all major operating systems on the machine. In some cases such as hydraulic pumps and motors it is better to replace the unit with a new or rebuilt unit than to perform major repairs.
Should further information be desired or should particular problems arise which are not covered sufficiently in this manual, the matter should be referred to manufacturer.
The descriptions and specifications contained in this manual were in effect at the time of printing. The right is reserved to make changes at any time without notice and without obligation.
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 recognised 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 MD6240 SKF-12 Infinity Blasthole Drill Service Manual – PDF DOWNLOAD
SKF-12 Infinity Blathole Drill Serial No. 1M68M09 Service Manual.pdf...................... 0
SKF-12 Infinity Blathole Drill Serial No. 1M68M09 Service Manual...................... 2
Safety Information................................................................ 4
Parts Ordering and Product Support................................................ 5
Contents.......................................................................... 6
Section 1 - Safety............................................................ 6
Section 2 - Operator's Cab / Controls......................................... 6
Section 3 - Main Frame / Crawlers............................................. 7
Section 4 - Engine / Drive Train / Compressor................................. 8
Section 5 - Dust Control System............................................... 10
Section 6 - Mast / Rotary Drive / Pipe Rack................................... 11
Section 7 - Hydraulic Systems................................................. 12
Section 8 - Electrical Components............................................. 15
Section 9 - Lubrication and Preventive Maintenance............................ 15
General Locator................................................................... 17
Section 1 - Safety ............................................................... 20
Section 1 Contents............................................................ 22
Safety........................................................................ 23
Section 2 - Operator's Cab / Controls............................................. 34
Section 2 Contents............................................................ 36
Graphic Symbol Legend......................................................... 38
Warning Decals................................................................ 43
Operators Controls and Indicators............................................. 45
Right Hand Control Panel ..................................................... 46
Instrument Panel and Circuit Breakers......................................... 47
System Pressure Gauge Panel .................................................. 49
Left Hand Control Panel....................................................... 51
Foot Control Pedals........................................................... 57
Air Conditioner............................................................... 58
Section 3 - Main Frame / Crawlers................................................. 84
Section 3 Contents............................................................ 86
Main Frame Repair β General................................................... 88
Levelling Jacks............................................................... 89
Mast Elevating Cylinders...................................................... 91
Crawler Assembly.............................................................. 92
Metric Bolt Torque Specifications............................................. 93
Track Maintenance............................................................. 94
Track Tension Adjustment...................................................... 95
Idler Unit.................................................................... 97
Track Tension Unit............................................................103
Track Rollers.................................................................105
Support Rollers...............................................................110
Track Chain - Separate........................................................115
Track Chain - Repair..........................................................116
Track Shoes Installation......................................................118
Track Shoe Bolt Torque (Direct Torque Method).................................119
Track Shoe Bolt Torque (Torque Turn Method)...................................120
Track Chain and Shoe Installation.............................................121
Track and Support Rollers.....................................................123
Final Drive...................................................................129
Final Drive Unit Removal......................................................130
Final Drive Unit Installation.................................................131
Final Drive Maintenance.......................................................132
Final Drive Oil...............................................................133
Final Drive Assembly..........................................................135
Auxiliary Crane...............................................................193
Section 4 - Engine / Drive Train / Compressor.....................................196
Section 4 Contents............................................................198
Power Group Locator ..........................................................201
Cummins Engine................................................................202
Engine and Compressor Air Cleaners............................................215
Compressor Assembly...........................................................219
ive Train / Compressor........................................................220
Engine / Drive Train / C......................................................221
Pump Drive....................................................................222
Pump Drive Gearbox............................................................223
Hydraulic Pumps...............................................................225
Compressor Service Procedures.................................................227
Compressor Shaft Seal.........................................................231
High Pressure CompressorCompressor............................................234
Compressor Oil Circuit........................................................241
Compressor Condensatio Table..................................................244
Compressor Air Circuit........................................................245
Compressor Functional Description.............................................260
Compressor Operation..........................................................262
Compressor Maintenance........................................................265
Compressor Oil Cooler Assenbly................................................298
Hydraulic Oil / Radiator Cooler Assembly......................................299
Coolers Maintenance...........................................................300
Compressor Oil / Hydraulic Oil Cooler Service Manual..........................301
Radiator Cooler Service Manual................................................306
Section 5 - Dust Control System...................................................314
Section 5 Contents............................................................316
Dust Control System...........................................................318
Water Injection...............................................................319
Water Pump....................................................................324
Foam Injection System.........................................................331
Section 6 - Mast / Rotary Drive / Pipe Rack ......................................346
Section 6 Contents............................................................348
Mast Weldment ................................................................350
Mast Assembly.................................................................351
Feed Cylinders................................................................356
Hoist / Pulldown Cable Assembly...............................................358
Hoist / Pulldown Cable Adjustment.............................................359
Rotary Head Guide Alignment...................................................364
Rotary Drive Assenbly.........................................................365
Rotary Drive Gearbox..........................................................367
Winch Assembly................................................................411
H.O.B.O. Wrench...............................................................447
Deck Wrench...................................................................449
Pipe Positioner...............................................................450
Carousel Pipe Rack............................................................451
Section 7 Hydraulic Systems.......................................................462
Section 7 Contents............................................................464
Hydraulic Symbols.............................................................466
Hydraulic Tank................................................................468
Hydraulic Tank............................................................469
Hydraulic System..........................................................469
Pressure Setting Sequence.....................................................470
Pressure Setting Sequence.................................................470
Hydraulic System..........................................................470
Main Return and Case Drain Filter.............................................471
Routine Maintenance.......................................................472
Changing Filter Elements..................................................472
Main Hydraulic Pumps..........................................................473
Hydraulic Pump Identiο¬cation β SKF-12.....................................473
Hydraulic Piston Pumps β Removal and Replacement..........................474
Right Track/Pulldown, Left Track/Rotation Pumps...............................475
Main Pumps................................................................475
AA4VG 125 Hydraulic Pump EP2 Control......................................475
AA4VG EP Controller.......................................................477
Technical Data............................................................478
EP (24V DC) Control.......................................................480
Schematic Drawing β Standard Model........................................480
Port Locations............................................................483
Connections...............................................................483
Main Pump Adjustments.....................................................484
Change Pressure, High Pressure, P.O.R. and Zero Positions Setting.........485
Set Charge Pressure β 450psi (31bar)......................................486
Set Crossover Relief (High Pressure) β 5500psi (380bar)...................486
Set Pressure Override (P.O.R) β 5000psi (345bar)..........................487
Mechanical Zero Position..................................................488
Hydraulic Centreing.......................................................489
Removal and Inspection of Charge Pump.....................................490
Removal and Installation of Shaft Seal....................................491
Routine Maintenance.......................................................492
Hydraulic Piston Pumps - Maintenance..........................................495
Hydraulic Piston Pumps - Troubleshooting......................................497
Charge Circuit................................................................501
Double Gear Pump β Right Charge and Water Injection.......................501
Routine Maintenance.......................................................504
Changing Filter Elements..................................................504
Loop Filters..................................................................505
Loop Filters..............................................................505
Routine Maintenance.......................................................508
Changing Filter Elements..................................................508
Diverter Valve................................................................509
Operation.................................................................509
Diverter Valve............................................................509
Tram Circuit..................................................................511
Tram Circuit..............................................................512
Hoist/Pulldown Circuit........................................................513
Basic Pulldown Circuit....................................................513
Hoist/Pulldown Circuit....................................................514
Rope Tensioning Circuit.......................................................515
Auto Tensioning β Operating Principle.....................................515
Rotation Circuit..............................................................517
Rotation Circuit..........................................................517
Rotary Drive Gearbox Motor....................................................519
Rotation Motor............................................................524
Fan and Auxiliary Pump Circuit................................................533
Fan & Auxiliary Functions Pump............................................535
Hydraulic Pumps...............................................................536
Hydraulic Piston Pumps - Removal and Replacement..........................536
Model A11VLO Hydraulic Piston Pumps - Repair..............................536
Repair Instructions.......................................................537
New or Rebuilt Hydraulic Pump - Start-Up......................................538
Start-Up Procedure........................................................538
Auxiliary Functions/Fan Circuit...............................................540
Operation.................................................................541
Auxiliary Priority Function...............................................546
Cooler Fan Circuit............................................................547
Cooler Fan Motor..............................................................549
Hydraulic Motor F12 Series................................................552
Jack and Mast Elevate Circuit.................................................553
4 Bank Valve (ο¬g. 7-14)...................................................553
Counterbalance Valve Adjustment...............................................555
Counterbalance Valve Adjustments..........................................555
Mast Elevating Cylinders......................................................556
Mast Elevating Cylinders Counterbalance Valves............................556
Levelling Jack Cylinders......................................................557
Jack Counterbalance Valves................................................557
Auxiliary Functions/6 Bank Valve..............................................558
Auxiliary Functions/9 Bank Valve..............................................560
Hydraulic Operated Breakout Wrench (HOBO).....................................561
Setting of Sequence Valves................................................561
Mast Raise / Jacks Valve & Water / Foam Valve.................................562
Carousel Rotate Motor.........................................................567
Pilot Control Manifold........................................................574
Electro Proportional Valves...............................................584
Proportional Valve Set Up.................................................585
OEM Electro Proportional Mast Raise / Jacks Valve.........................585
Proportional Pulldown.....................................................586
OEM Controllers / EP Levers...............................................587
Auto Pulldown Card........................................................588
Reduced Pulldown Potentiometer 'Pot'......................................589
Hydraulic Gear Pumps..........................................................590
Hydraulic Gear Pumps - Removal and Replacement............................590
Hydraulic Gear Pump - Repair..............................................590
Hydraulic Gear Pumps - Shaft Seal Removal and Replacement.........591
Dust Collector/Water Injection Circuit........................................593
Air Conditioner Compressor Drive Circuit......................................595
Hydraulic Cylinder Repair.....................................................597
Notes.........................................................................612
Section 8 - Electrical Components.................................................614
Section 8 Contents............................................................616
Electrical Locator ...........................................................618
Jump Starting.................................................................620
Batteries.....................................................................622
Welding Precautions...........................................................623
Vigilante Guide...............................................................624
Vendor Documents..............................................................616
Access Light Timer........................................................644
CF Card Download..........................................................650
Foam Flow Transducer......................................................651
C 20 Flow Switch..........................................................659
Hammer Oil Level Transducer...............................................661
Hydraulic Flow Meter......................................................665
Inclinometer..............................................................667
Ladder Prox Switch (Old Type).............................................682
Ladder Prox Switch........................................................684
ld4ivman..................................................................685
LDM41A Laser Manual.......................................................722
Calibrating Laser Depth System............................................759
Level Switch..............................................................760
Level Transducers.........................................................770
Remote Level Display......................................................785
Rod Counter Prox Switch...................................................786
RotaPulse.................................................................788
TT0061....................................................................790
Temperature Transducer....................................................791
Rexroth RC4 4 20 Electronic Control Unit for Water Flow Control Valve ....809
Section 9 - Lubrication and Preventive Maintenance................................819
Section 9 Contents............................................................821
Central Lube System...........................................................823
Hammer Oiler Tank Assembly....................................................867
Hammer Oil Circuit............................................................868
Hammer Oil System.............................................................869
Pipe Thread Lubricator Maintenance............................................889
Filter Locator................................................................900
Lubrication General...........................................................902
Lubrication and Preventive Maintenance........................................903
250hr - Lubrication and Maintenance...........................................918
500hr - Lubrication and Maintenance Maintenance...............................933
1000hr - Lubrication and Maintenance..........................................949
2000hr - Lubrication and Maintenance..........................................965
CAT ROTARY TRACK DRILL MD6240 SKF-12 INFINITY BLASTHOLE DRILL SERVICE MANUAL – PDF DOWNLOAD:
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Cat Rotary Track Drill MD6240 SKF-12 Infinity Blasthole Drill Service Manual – PDF DOWNLOADCat Rotary Track Drill MD6240 SKF-12 Infinity Blasthole Drill Service Manual – PDF DOWNLOADCat Rotary Track Drill MD6240 SKF-12 Infinity Blasthole Drill Service Manual – PDF DOWNLOAD
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