CAT CUBEX QXR 920 Surface Drill Maintenance Manual BI620142 – PDF DOWNLOAD

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CAT CUBEX QXR 920 Surface Drill Maintenance Manual BI620142 – PDF DOWNLOAD

FILE DETAILS:

CAT CUBEX QXR 920 Surface Drill Maintenance Manual BI620142 – PDF DOWNLOAD

Language : English
Pages : 429
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

CAT CUBEX QXR 920 Surface Drill Maintenance Manual BI620142 – PDF DOWNLOAD

General Safety Instructions:
1. Observe all safety procedures when operating and servicing the equipment.
2. Be completely familiar with the operating and maintenance procedures before inspecting,
operating, or servicing the drill or booster. You must read and understand all procedures described
in each manual.
3. Do not inspect or repair any components without properly shutting down the drill, water pump,
and air supply.
4. Keep all non-essential personnel away from the operator’s controls and the maintenance area
while service work is in progress.
5. Any modifications to controls or operating procedures must be noted clearly on equipment and all
operators must be advised of changes.
6. Inspect hoses, hose connection safety devices, fittings, and supply lines at frequent intervals
for indication of wear or damage. Repair or replace damaged components immediately.
7. Check all bolts, nuts, and adjustments frequently for proper tension. Check all fluids at
recommended intervals.
8. Do not stand under the mast at any time.
9. Wear protective gear when operating, diagnosing, or servicing the equipment.
10. Do not weld or grind near electrical wiring or supply lines.
11. Keep hands, clothing, rags, and tools away from moving parts.
12. Keep shields and guards in place. Do not operate equipment with the electrical panel door open.
13. Keep safety and instruction decals clean. Replace them if they are not clearly legible.

TABLE OF CONTENTS:

CAT CUBEX QXR 920 Surface Drill Maintenance Manual BI620142 – PDF DOWNLOAD

1.1 Operating/Maintenance Safety.............................................. 15
	Drill Operation and Maintenance Safety.................................... 17
	General Safety Instructions............................................... 17
	Safety Instructions for Driving and Operating............................. 18
	Safety Instructions for Servicing......................................... 18
	Extinguishing Fires....................................................... 23
2.1 Drill Assembly............................................................ 31
2.2 Break-in Maintenance...................................................... 33
2.3 Preventative Maintenance Program.......................................... 35
	2.3.1 Lubrication......................................................... 37
		2.3.1.1 Rock Drill Grease............................................. 37
		2.3.1.2 Lubrication Points and Intervals.............................. 37
		2.3.1.3 Lubrication Types............................................. 38
		2.3.1.4 Lubrication Cross-over........................................ 39
	2.3.5 Centralized Machine Lubrication..................................... 40
		Greaser Assembly...................................................... 42
	2.3.2 Bolt Torque......................................................... 43
	2.3.3 Drill Filtration Points and Intervals............................... 45
	2.3.4 Pipe Thread Grease Pump............................................. 46
		Preventative Maintenance Tasks........................................ 46
		2.3.4.1 Safety........................................................ 47
		2.3.4.2 Maintenance................................................... 48
2.4 Recommended Tools:........................................................ 49
3.1 Track Adjustment.......................................................... 61
3.2 Final Drive............................................................... 63
4.1 Mast Feed System..........................................................279
	4.1.1 QXR Feed Chain Adjustment...........................................281
	4.1.2 Slider Adjustment...................................................284
	4.1.3 Carrier Block.......................................................285
	4.1.4 Feed Chain Block....................................................286
	4.1.5 Jib Boom............................................................287
	4.1.6 Triple Jaw Breakout (TJBO)..........................................288
		4.1.6.1 Overhaul procedure............................................289
4.2 Top Drive.................................................................291
	4.2.1 Checking Bearing Pre-load...........................................292
	4.2.2 Adjusting Bearing Pre-load..........................................293
	4.2.3 Removing Top Drive..................................................293
		4.2.3.1 Using the Right Equipment.....................................294
	4.2.4 Disassembly Procedure...............................................295
	4.2.5 Installation of Pinion Gears and Bearings...........................296
	4.2.6 Driveshaft Assembly and Installation................................297
	4.2.7 Setting Bearing Preload.............................................303
	4.2.8 Installing Upper Seal and Housing...................................305
	4.2.9 Installing Air Swivel and Hydraulic Motors..........................307
	4.2.10 Saver Sub..........................................................309
		4.2.10.1 Removal......................................................309
		4.2.10.2 Installation.................................................311
	4.2.11 Air Swivel.........................................................312
		4.2.11.1 Removing Air Swivel..........................................312
		4.2.11.2 Installation of Air Swivel...................................313
		4.2.11.3 Dismantling Air Swivel.......................................315
		4.2.11.4 Inspection of Parts..........................................317
		4.2.11.5 Assembly Procedure...........................................318
4.3 Top Drive Motor...........................................................327
4.4 Breakout Wrench...........................................................331
4.5 Carousel Assembly.........................................................333
	4.5.1 Carousel Adjustment.................................................336
		4.5.1.1 Pipe Clamp Adjustment.........................................336
		4.5.1.2 Clamp Arm Adjustment..........................................337
4.6 Expander Pin System – Mast Boom...........................................339
	4.6.1 Torque and Maintenance Intervals....................................341
		4.6.1.3 Torque Schedule...............................................342
		4.6.1.4 Mounting/Dismounting Tools....................................342
		4.6.1.5 Installation..................................................342
		4.6.1.6 Dismounting ..................................................345
5.1 Hydraulic Symbols.........................................................349
	5.1.1 Hydraulic Schematic.................................................350
5.2 Hydraulic Circuits........................................................353
5.3 Hydraulic Pump............................................................357
	5.3.1 Adjustments and Maintenance.........................................358
	5.3.2 Factors Affecting the Pump’s Life...................................358
		5.3.2.1 Contaminated Fluid............................................358
		5.3.5.2 Poor Suction Conditions.......................................359
		5.3.5.3 Excessive Case Pressure.......................................360
		5.3.5.4 Too Low an Operating Pressure.................................360
		5.3.5.5 Cavitation/Aeration...........................................361
5.4 Hydraulic Cylinders.......................................................363
	5.4.1 Double Acting Cylinders.............................................364
	5.4.2 Cylinder Inspection.................................................364
	5.4.3 Cylinder Overhaul...................................................364
5.5 Control Valves – On/Off Types.............................................365
	5.5.1 Control Valves......................................................367
	5.5.2 Relief Valve Adjustment.............................................368
	5.5.3 Valve Pressure Adjustment...........................................369
	5.5.4 Valve Flow Adjustment...............................................369
	5.5.5 Valve Overhaul......................................................369
	5.5.6 Valve Sections......................................................371
	5.5.7 Solenoid............................................................371
	5.5.8 Lever Section.......................................................371
	5.5.9 Valve Assembly......................................................373
	5.5.10 Inlet Section......................................................373
5.6 Manifold Blocks...........................................................375
	5.6.1 Servicing Cartridge Valves..........................................375
	5.6.2 Troubleshooting Cartridge Valves....................................375
	5.6.3 Installation Torque Values..........................................380
5.7 Counterbalance Valves.....................................................381
	5.7.1 Making Adjustments..................................................382
	5.7.2 Troubleshooting.....................................................383
5.8 Hydraulic Filtration......................................................385
	5.8.1 Change Hydraulic Fluid Every 2000 Hours.............................386
	5.8.2 Return Filters......................................................386
	5.8.3 Pressure Filter Element.............................................387
5.9 Proportional Valves.......................................................389
	5.9.1 Proportional Valve Settings.........................................390
	5.9.2 Flow Settings.......................................................391
	5.9.3 Pressure Setting....................................................392
6.1 Air Schematic.............................................................397
6.2 Sullair Compressor........................................................399
	6.2.1 Compressor Unit Functional Description .............................401
	6.2.2 Compressor Discharge System Functional Description..................403
	6.2.3 Compressor Cooling and Lubrication System Functional Description....405
	6.2.4 Air Inlet System Functional Description.............................407
	6.2.5 Lubrication Guide...................................................408
	6.2.6 Application Guide...................................................408
	6.2.7 Control System......................................................409
		6.2.7.1 Purpose of Controls...........................................409
		6.2.7.2 Butterfly Inlet Valve Functional Description..................413
		6.2.7.3 Closed Inlet Start Program....................................414
		6.2.7.4 Normal Operation..............................................415
		6.2.7.5 Modulation....................................................415
		6.2.7.6 Unload........................................................416
		6.2.7.7 Compressor Start Up Mode and Running Mode Low Air Pressure....416
		6.2.7.8 Manual Unload Mode............................................418
		6.2.7.9 Running Mode 350 psi Air Pressure.............................419
		6.2.7.10 Running Mode 500 psi Air Pressure............................420
		6.2.7.11 Instrumentation and Protection...............................421
		6.2.7.12 Start Up and Shutdown Procedures.............................423
		6.2.7.13 Adjustment Procedures........................................425
	6.2.8 Compressor Maintenance..............................................427
		6.2.8.1 Main Fluid Filter Service.....................................427
		6.2.8.2 Thermal/Bypass Valve..........................................428
		6.2.8.3 Separator Element Replacement.................................429
		6.2.8.4 Running Blowdown Valve Maintenance............................431
		6.2.8.5 Shutdown Blowdown Valve Maintenance...........................432
		6.2.8.6 Minimum Pressure/Check Valve Maintenance......................433
		6.2.8.7 Discharge Check Valve Maintenance.............................434
		6.2.8.8 Safety Valve..................................................435
		6.2.8.9 Pressure Regulator (Low / High Air Pressure Regulator)........436
		6.2.8.10 Fluid Stop Valve.............................................438
	6.2.9 Screw Compressor....................................................439
		6.2.9.1 Screw Compressor Arrangement..................................439
		6.2.9.2 Compressor Operator Daily Checklist...........................441
		Compressor Operator Daily Checklist...................................441
		6.2.9.3 Maintenance Schedules.........................................443
		6.2.9.4 Compressor Lubrication Crossover..............................444
		6.2.9.5 Compressor Troubleshooting....................................445
6.3 Water Pump................................................................447
	6.3.1 Pump Speed Adjustment...............................................448
	6.3.2 Dismantling of Valves...............................................449
	6.3.3 Assembling of Valves................................................449
	6.3.4 Dismantling the Pumping Section.....................................450
	6.3.5 Pump Assembly.......................................................450
	6.3.6 Removing Sleeves and Seals..........................................451
	6.3.7 Installing Sleeves and Seals........................................451
	6.3.8 Servicing the Crankcase.............................................452
	6.3.9 Pump Installation...................................................452
6.4 Grease Injection..........................................................453
	6.4.1 To Fill Reservoir...................................................455
	6.4.2 To Prime System.....................................................455
	6.4.3 Operation...........................................................455
	6.4.4 Adjusting Flow Rate.................................................456
		6.4.4.1 Setting for a 4” Hammer.......................................456
		6.4.4.2 Setting for a 6” Hammer.......................................456
	6.4.5 PanelView Settings for QXR..........................................458
7.1 Electrical Circuits.......................................................461
7.2 Electrical Components.....................................................463
7.3 On/Off Valve Activation...................................................465
7.4 Types of Valves...........................................................467
7.5 Testing of Valve Solenoids................................................467
7.6 Testing On/Off Valves.....................................................469
7.7 Proportional Valves.......................................................471
7.8 Fault Monitoring System...................................................473
	7.8.1 Testing Proportional Valves.........................................473
7.9 Accra-Feed PLC System.....................................................475
	7.9.1 Accra-Feed Operation................................................475
	7.9.2 Accra-Feed Components...............................................475
	7.9.3 PLC Operation.......................................................476
	7.9.4 Maintenance of PLC in Accra-Feed System.............................476
	7.9.5 Troubleshooting Guide...............................................477
7.10 Operator Interface PanelView 1000........................................481
	7.10.1 Maintenance of PanelView Terminal..................................481
	7.10.2 Troubleshooting PanelView Terminal.................................482
	7.10.3 Alarm Messages on the Terminal.....................................484
8.0 Troubleshooting...........................................................487
8.1 Troubleshooting Mechanical Systems........................................489
	Tramming does not move or move straight...................................489
	Tramming is too slow or lacks power.......................................489
	Brakes are slipping.......................................................490
	Excessive noise or vibration when tramming................................490
	Mast swing does not rotate................................................490
	Mast rotates erratically or rotates after setting.........................490
	Mast rocks back and forth.................................................490
	Hydraulic cylinders not operating.........................................490
	Cylinder creep............................................................491
	Centralizer does not retract..............................................491
	Oil leakage at stinger cylinder...........................................491
	Pulldown control does not function correctly..............................491
	Holdback control does not function correctly..............................491
	Top drive does not rotate, or rotation is slow or rough...................491
	Rotation and Feed joysticks produce uneven speeds in both directions......491
8.2 Troubleshooting Hydraulic Systems.........................................493
	Fluid is hot..............................................................493
	System is noisy...........................................................493
	Fluid quickly contaminates................................................493
	Fluid is foaming..........................................................493
	Valve Solenoid Malfunction................................................493
	Insufficient pressure or flow.............................................494
	Pump is noisy or vibrates.................................................494
	Pump does not run.........................................................494
	Hydraulic motors or cylinders do not respond..............................494
	Rotation and Feed joysticks produce uneven speeds in both directions......494
8.3 Troubleshooting Air Systems...............................................495
	Air pressure is zero or low...............................................495
	Water pump pressure is zero...............................................495
	Water pump pressure is low................................................495
	Water pump runs extremely rough...........................................495
	Water pump leaking........................................................495
	Grease delivery is incorrect..............................................496
8.4 Troubleshooting Electrical Systems........................................497
	Engine does not start.....................................................497
	Tram controls (joysticks only) are insensitive............................497
	Hydraulic motors or cylinders not operating...............................497
	Rotation and Feed joysticks produce uneven speeds in both directions......497
	Valve Solenoid Malfunction................................................497

Customer Support: [email protected]

PLEASE NOTE:

• This is the SAME exact manual used by your dealers to fix your vehicle.
• The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
• Any queries / doubts regarding your purchase, please feel free to contact [email protected]

S.V