D6K Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
- Track-Type Tractor:
- D6K (S/N: DHA1-UP; NCF1-UP; FBH1-UP)
Introduction
Inspections are the most basic form of condition monitoring. They are easy to do and surprisingly effective at helping you spot equipment health issues. Proactive monitoring and analysis of equipment information will allow Dealers to effectively intervene before problems occur.
Note: Before adjusting product settings to comply with listed baseline TA2 values, consult SIS for the latest specification values.
Creating an Electronic Copy
Use the following procedure to create an editable electronic copy from SIS Web.
- Click format to print.
- Save the document as an HTML format.
- Open the document with Microsoft Word.
Electrical System
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| Status (1) | Description | Specification | Actual | Comments |
| Inspect Battery Cables | Cables between the battery, the starter, and the engine ground must be the correct size. Wires and cables must be free of corrosion. Wires and cables must have cable support clamps in order to prevent stress on battery connections (terminals). | |||
| Battery Test | 12.4 VDC or more | Refer to Special Instruction, SEHS7633, "Battery Test Procedure" | ||
| Charging System Test | 28 ± 1 VDC | Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". | ||
| Electric Starting System Test | 12 to 16 V at −23° C (−10° F) to −7° C (19° F) |
Refer to Testing and Adjusting, KENR5291, "Electric Starting System - Test". | ||
| 14 to 18 V at −7° C (19° F) to 10° C (50° F) |
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| 16 to 24 V at 10° C (50° F) to 27° C (80° F) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Engine
Cooling System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Radiator Pressure Relief (Radiator Cap) (2) | ||||
| Freezing Point of Engine Coolant | ||||
| Conditioner Test of Engine Coolant | ||||
| Difference between the Upper and Lower Radiator Tank Temperatures |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Test for the pressure that is listed on the cap. |
Fuel System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Fuel Pressure of the Low Pressure Fuel System | 300 to 550 kPa (44 to 80 psi) |
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| Fuel Pressure of the High Pressure Fuel System | 70 to 130 MPa (10153 to 18855 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Lubrication System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Minimum Engine Oil Pressure at Maximum Engine Speed | 315 kPa (45 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Basic Engine
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Engine Speed at Low Idle | 750 rpm | |||
| Engine Speed at High Idle | 2100 rpm | |||
| Cylinder Cutout Test | Cat® Electronic Technician (Cat ET) Service Tool |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Air Inlet and Exhaust System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Cylinder # 1 Exhaust Temperature (2) | ||||
| Cylinder # 2 Exhaust Temperature (2) | ||||
| Cylinder # 3 Exhaust Temperature (2) | ||||
| Cylinder # 4 Exhaust Temperature (2) | ||||
| Cylinder # 5 Exhaust Temperature (2) | ||||
| Cylinder # 6 Exhaust Temperature (2) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Compare the exhaust temperature variance at each exhaust port. |
Performance Checks
ReferenceRefer to Testing & Adjusting, KENR5153, "Hydraulic System" for more detail on the following test.
Operational Checks
Speed Tests for Cylinders
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| VPAT Bulldozer RAISE (ground level to maximum height) | 2.0 ± 0.2 seconds | |||
| VPAT Bulldozer LOWER powerdown (maximum height to ground level) | 1.2 ± 0.2 seconds | |||
| VPAT Bulldozer LOWER float (maximum height to ground level) | 1.1 ± 0.2 seconds | |||
| VPAT Bulldozer TILT (full retraction to full extension) | 0.8 ± 0.2 seconds | |||
| VPAT Bulldozer TILT (full extension to full retraction) | 0.7 ± 0.2 seconds | |||
| VPAT Bulldozer ANGLE (full left to full right) | 2.9 ± 0.2 seconds | |||
| VPAT Bulldozer Ripper RAISE (ground to maximum height) | 2.0 ± 0.2 seconds | |||
| VPAT Bulldozer Ripper LOWER (maximum height to ground) | 1.6 ± 0.2 seconds |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Drift Test for Lift Cylinders
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Maximum Allowable Drift for Bulldozer Lift Cylinder at oil temperature of 28 to 48°C (80 to 120°F) and time interval of 5 minutes |
32 mm (1.3 inch) |
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| Maximum Allowable Drift for Bulldozer Lift Cylinder at oil temperature of 49 to 68°C (120 to 155°F) and time interval of 2.75 minutes |
32 mm (1.3 inch) |
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| Maximum Allowable Drift for Bulldozer Lift Cylinder at oil temperature of 69 to 88°C (155 to 190°F) and time interval of 1.75 minutes |
32 mm (1.3 inch) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Drift Test for Tilt Cylinder
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Maximum Allowable Drift for Bulldozer Tilt Cylinder at oil temperature of 28 to 48°C (80 to 120°F) and time interval of 5 minutes |
13 mm (0.5 inch) |
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| Maximum Allowable Drift for Bulldozer Tilt Cylinder at oil temperature of 49 to 68°C (120 to 155°F) and time interval of 2.75 minutes |
13 mm (0.5 inch) |
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| Maximum Allowable Drift for Bulldozer Tilt Cylinder at oil temperature of 69 to 88°C (155 to 190°F) and time interval of 1.75 minutes |
13 mm (0.5 inch) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Drift Test for Ripper Cylinder
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Maximum Allowable Drift for Bulldozer Ripper Cylinder at oil temperature of 28 to 48°C (80 to 120°F) and time interval of 5 minutes |
25 mm (1.0 inch) |
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| Maximum Allowable Drift for Bulldozer Ripper Cylinder at oil temperature of 49 to 68°C (120 to 155°F) and time interval of 2.75 minutes |
25 mm (1.0 inch) |
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| Maximum Allowable Drift for Bulldozer Ripper Cylinder at oil temperature of 69 to 88°C (155 to 190°F) and time interval of 1.75 minutes |
25 mm (1.0 inch) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic System
ReferenceRefer to Testing & Adjusting, KENR5153, "Hydraulic System" for more detail on the following test.
Proportional Priority Pressure Compensation System - Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Ripper (if equipped) (System Stalled at LOW IDLE) | 24650 ± 450 kPa (3575 ± 65 psi) |
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| Angle (System Stalled at LOW IDLE) | 24650 ± 450 kPa (3575 ± 65 psi) |
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| Tilt (System Stalled at LOW IDLE) | 24650 ± 450 kPa (3575 ± 65 psi) |
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| Lift (System Stalled at LOW IDLE) | 24650 ± 450 kPa (3575 ± 65 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic Pump - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| High Pressure Stall at HIGH IDLE | 24650 ± 450 kPa (3575 ± 65 psi) |
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| Margin Pressure at HIGH IDLE | 1700 ± 150 kPa (247 ± 20 psi) |
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| Low Pressure Standby at HIGH IDLE | 3500 kPa (510 psi) above margin pressure |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve - Test and Adjust (Bench Test Only)
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Relief Valve Pressure for blade angle | 34750 ± 250 kPa (5040 ± 35 psi) |
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| Relief Valve Pressure for the RAISE direction of the ripper circuit | 34750 ± 250 kPa (5040 ± 35 psi) |
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| Relief Valve Pressure for the RAISE direction of the blade lift circuit | 26250 ± 250 kPa (3805 ± 35 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Accumulator (Pilot) - Test and Charge
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Accumulator Charge Pressure at HIGH IDLE | 3300 ± 150 kPa (479 ± 22 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Power Train System
ReferenceRefer to Testing & Adjusting, KENR5148, "Power Train" for more detail on the following test.
Initial Pressure Tests
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Charge Pressure for the Front Pump at Pressure Tap (C) that is located on the Remote Panel at HIGH IDLE | 3100 ± 150 kPa (450 ± 22 psi) |
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| Charge Pressure for the Front Pump at Pressure Tap (C) that is located on the Filter at HIGH IDLE | 3300 ± 150 kPa (479 ± 22 psi) |
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| Charge Pressure for the Rear Pump at Pressure Tap (A) that is located on the Remote Panel at HIGH IDLE | 2500 ± 150 kPa (363 ± 22 psi) |
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| Charge Pressure for the Rear Pump at Pressure Tap (A) that is located on the Filter at HIGH IDLE | 2700 ± 150 kPa (392 ± 22 psi) |
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| Case Drain Pressure at Pressure Tap (B) at HIGH IDLE | 150 ± 75 kPa (22 ± 11 psi) |
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| Implement Pump Discharge Pressure at Pressure Tap (E) at HIGH IDLE | 4800 ± 300 kPa (696 ± 44 psi) |
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| Parking Brake Pressure at Pressure Tap (D) at HIGH IDLE | 3100 ± 150 kPa (450 ± 22 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission Stall - Test (Test Performed at Cat ET)
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Drive Pressure for the Front Pump at Pressure Tap (1) (Steering and Transmission Control at FORWARD position) at HIGH IDLE | 45250 ± 2000 kPa (6563 ± 290 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (2) (Steering and Transmission Control at FORWARD position) at HIGH IDLE | 44650 ± 2000 kPa (6476 ± 290 psi) |
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| Drive Pressure for the Front Pump at Pressure Tap (3) (Steering and Transmission Control at REVERSE position) at HIGH IDLE | 45250 ± 2000 kPa (6563 ± 290 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (4) (Steering and Transmission Control at REVERSE position) at HIGH IDLE | 44650 ± 2000 kPa (6476 ± 290 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Remote Transmission Stall - Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Drive Pressure for the Front Pump at Pressure Tap (4) (Speed and Direction Control at FORWARD position) | 45250 ± 2000 kPa (6563 ± 290 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (5) (Speed and Direction Control at FORWARD position) | 44650 ± 2000 kPa (6476 ± 290 psi) |
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| Drive Pressure for the Front Pump at Pressure Tap (6) (Speed and Direction Control at FORWARD position) | 45250 ± 2000 kPa (6563 ± 290 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (7) (Speed and Direction Control at FORWARD position) | 44650 ± 2000 kPa (6476 ± 290 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Final Hydrostatic Speed - Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Engine Speed | 2100 ±100 rpm | |||
| Drive Pressure for the Front Pump at Pressure Tap (8) at HIGH IDLE (Transmission Control Lever at FORWARD position | 12000 ± 3000 kPa (1740 ± 435 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (9) at HIGH IDLE (Transmission Control Lever at FORWARD position) | 12000 ± 3000 kPa (1740 ± 435 psi) |
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| Drive Motors Speed | 3400 ± 50 rpm | |||
| Drive Pressure for the Front Pump at Pressure Tap (10) at HIGH IDLE (Transmission Control Lever at REVERSE position) | 12000 ± 3000 kPa (1740 ± 435 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (11) at HIGH IDLE (Transmission Control Lever at REVERSE position) | 12000 ± 3000 kPa (1740 ± 435 psi) |
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| Drive Motors Speed | -3400 ± 50 rpm |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Crossover Relief Valve - Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Engine Speed | 2100 ± 50 rpm | |||
| Crossover Relief Valve Pressure at Pressure Taps (6) and (5) (Travel Control in FORWARD position) | 48250 ± 150 kPa (7000 ± 20 psi) |
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| Crossover Relief Valve Pressure at Pressure Taps (7) and (4) (Travel Control in REVERSE position) | 47650 ± 150 kPa (6910 ± 20 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering System
ReferenceRefer to Testing & Adjusting, KENR5148, "Power Train" for more detail on the following test.
Steering - Test
Forward Left Detent
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2100 ± 100 rpm | |||
| Drive Pressure for the Front Pump at Pressure Tap (8) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (11) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Speed of the left drive motor | -1700 ± 50 rpm | |||
| Speed of the right drive motor | 1700 ± 50 rpm |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Forward Right Detent
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2100 ± 100 rpm | |||
| Drive Pressure for the Front Pump at Pressure Tap (8) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (11) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Speed of the left drive motor | 1700 ± 50 rpm | |||
| Speed of the right drive motor | -1700 ± 50 rpm |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Reverse Left Detent
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2100 ± 100 rpm | |||
| Drive Pressure for the Front Pump at Pressure Tap (8) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (11) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Speed of the left drive motor | 1700 ± 50 rpm | |||
| Speed of the right drive motor | -1700 ± 50 rpm |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Reverse Right Detent
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2100 ± 100 rpm | |||
| Drive Pressure for the Front Pump at Pressure Tap (8) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Drive Pressure for the Rear Pump at Pressure Tap (11) | 5000 ± 2000 kPa (725 ± 300 psi) |
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| Speed of the left drive motor | -1700 ± 50 rpm | |||
| Speed of the right drive motor | 1700 ± 50 rpm |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Braking System
ReferenceRefer to Testing & Adjusting, KENR5148, "Power Train" for more detail on the following test.
Deceleration/Brake Pedal - Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Parking Brake Pressure at the Pressure Tap (8) when the Brake/Deceleration Pedal is released (Engine Speed should be 2100 ± 30 rpm) | 3100 ± 150 kPa (450 ± 22 psi) |
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| Parking Brake Pressure at the Pressure Tap (8) when the Brake/Deceleration Pedal is depressed to the FIRST DETENT position (Engine Speed should be 1400 ± 50 rpm) | 3100 ± 150 kPa (450 ± 22 psi) |
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| Parking Brake Pressure at the Pressure Tap (8) when the Brake/Deceleration Pedal is fully depressed (Engine Speed should be 1400 ± 50 rpm) | 100 ± 100 kPa (15 ± 15 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Winch System
ReferenceRefer to Testing & Adjusting, KENR5151, "Machine Systems" for more detail on the following test.
Charge Oil Pressure - Test and Adjust - Winch
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Charge Pressure at Pressure Port (1) (Engine Throttle Control at the Lowest Position) | 2200 ± 225 kPa (319 ± 33 psi) |
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| Charge Pressure at Pressure Port (2) (Engine Throttle Control at the Highest Position) | 2500 ± 150 kPa (363 ± 22 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Pressure Override Valve (Winch) - Test and Adjust (Test Performed at Cat ET)
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Pressure Override Pressure (Full Reel In) at HIGH IDLE | 41000 ± 500 kPa (5950 ± 75 psi) |
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| Pressure Override Pressure (Full Reel Out) at HIGH IDLE | 41000 ± 500 kPa (5950 ± 75 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Crossover Relief Valve (Winch) - Test and Adjust (Test Performed at Cat ET)
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Winch Motor Pressure (Reel In) at HIGH IDLE | 44000 ± 750 kPa (6380 ± 110 psi) |
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| Winch Motor Pressure (Reel Out) at HIGH IDLE | 44000 ± 750 kPa (6380 ± 110 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
S.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU8126, "Maintenance Interval Schedule" for more detail on the following S.O.S.
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| Status (1) | Description | Obtain | Comments | |
| Engine Oil Sample | Every 250 Service Hours | |||
| Engine Coolant Sample (Level I) | Every 500 Service Hours | |||
| Engine Coolant Sample (Level II) | Initial 500 Service Hours Every Year |
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| Hydraulic Oil Sample | Every 500 Service Hours | |||
| Final Drive Oil Sample | Every 500 Service Hours | |||
| Winch | Every 500 Service Hours | |||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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