D8R Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
- Track-Type Tractor:
- D8R (S/N: MEJ1-UP; RJM1-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 V | 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, SENR1028, "Electrical System". | ||
| 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 | 772 kPa (112 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Lubrication System
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| Status (1) | Description | Specification | Actual | Comments |
| Engine Oil Pressure at Low Idle | 138 kPa (20 psi) |
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| Engine Oil Pressure | 352 kPa (51 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Basic Engine
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| Status (1) | Description | Specification | Actual | Comments |
| Low Idle RPM | 700 ± 10 rpm | |||
| High Idle RPM | 2250 ± 10 rpm | |||
| Torque Converter Stall Test Engine RPM | 1400 ± 10 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 |
| Boost Pressure at Torque Converter Stall Test Engine RPM | 139.9 ± 21.1 CM_HG (55.1 ± 8.3 IN_HG) |
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| 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. |
Operational Checks
ReferenceRefer to Testing & Adjusting, UENR1352, "Testing and Adjusting Section" for more detail on the following test.
Operational Checks
Cycle Times
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Blade RAISE (Ground Level to Maximum Height) | 2.7 to 3.0 seconds | |||
| Blade LOWER (Fully Raise Position to Ground) | 0.9 to 1.2 seconds | |||
| Paused After The Blade Is Dropped Quickly | 1.4 to 1.7 seconds | |||
| Tilt (Right to Left) | 1.7 to 2.0 seconds | |||
| Tilt (Left to Right) | 1.0 to 1.2 seconds | |||
| Ripper RAISE (Full travel from full LOWER to full RAISE) | 3.6 to 4.0 seconds | |||
| SHANK OUT (Full travel from SHANK IN to SHANK OUT) | 4.2 to 4.9 |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Drift
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Bulldozer Lift Cylinder Drift Test | 38.1 mm (1.50 inch) Maximum at 28° C (83° F) to 48° C (119° F) for 5 minutes |
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38.1 mm (1.50 inch) Maximum at 49° C (120° F) to 68° C (154° F) for 2.7 minutes |
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38.1 mm (1.50 inch) Maximum at 69° C (156° F) to 88° C (190° F) for 1.7 minutes |
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| Bulldozer Tilt Cylinder Drift Test | 11 mm (0.43 inch) Maximum at 38° C (100 ° F) to 49° C (120° F) for 5 minutes |
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11 mm (0.43 inch) Maximum at 49° C (120° F) to 66° C (150° F) for 2.7 minutes |
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11 mm (0.43 inch) Maximum above 66° C (150° F) for 1.7 minutes |
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| Ripper Lift Cylinder Drift Test | 10 mm (0.39 inch) Maximum at 38° C (100 ° F) to 49° C (120° F) for 5 minutes |
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10 mm (0.39 inch) Maximum at 49° C (120° F) to 66° C (150° F) for 2.7 minutes |
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10 mm (0.39 inch) Maximum above 66° C (150° F) for 1.7 minutes |
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Ripper Tip Cylinder Drift Test | 6.0 mm (0.24 inch) Maximum at 28° C (83 ° F) to 48° C (118° F) for 5 minutes |
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6.0 mm (0.24 inch) Maximum at 49° C (120° F) to 68° C (155° F) for 2.7 minutes |
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6.0 mm (0.24 inch) Maximum at 69° C (156° F) to 88° C (190° F) for 1.7 minutes |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic System
ReferenceRefer to Testing & Adjusting, UENR1352, "Hydraulic Systems" for more detail on the following test.
Piston Pump (Implement) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Implement Pump Pressure | Low Pressure Standby (Low Idle) at pressure tap (HA) less than 3600 kPa (520 psi) |
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| Margin pressure (High Idle) at pressure tap (HA) - (HB) 2100 ± 275 kPa (305 ± 40 psi) |
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| High-pressure cutoff pressure (High Idle) at pressure tap (HA) with pump stalled 24200 ± 350 kPa (3510 ± 50 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Pressure Reducing Valve - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Pressure Reducing valve at High Idle (CPG port) | 3275 ± 175 kPa (475 ± 25 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 | (High Idle) at pressure tap (AP) 3275 ± 175 kPa (475 ± 25 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Power Train System
ReferenceRefer to Testing & Adjusting, UENR1349, "Power Train System" for more detail on the following test.
Priority Valve - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Low Idle | 2760 kPa (400 psi) |
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| High Idle | 3275 ± 140 kPa (475 ± 20 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Load Piston - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Speed Clutch (P1) (Initial Pressure) | 530 ± 35 kPa (77 ± 5 psi) |
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| Speed Clutch (P1) | LOW IDLE 345 kPa (50 psi) less than the pressure at high idle |
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| High IDLE 2620 ± 140 kPa (380 ± 20 psi) at high idle |
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| Direction Clutch (P2) | LOW IDLE 380 ± 55 kPa (55 ± 8 psi) less than the pressure P1 pressure |
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| High IDLE 380 ± 55 kPa (55 ± 8 psi) less than the pressure P1 pressure |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Torque Converter Inlet) Pressure - Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Torque Converter Inlet Relief Valve | High Idle with the parking brake engaged at pressure tap (1) less than 965 ± 140 kPa (140 ± 20 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Torque Converter Outlet) Pressure - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Torque Converter Outlet Relief Valve |
High Idle at pressure tap (1) 415 ± 70 kPa (60 ± 10 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission Lubrication Oil Pressure - Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Transmission Lubrication | High Idle with all brakes disengaged at pressure tap (L1) 160 ± 35 kPa (23 ± 5 psi) |
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| Low Idle with all brakes disengaged at pressure tap (L1) 12 ± 11 kPa (1.7 ± 1.6 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering System
ReferenceRefer to Testing & Adjusting, UENR1352, "Testing and Adjusting" for more detail on the following test.
Steering Hydraulic Circuit - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Charge Pressure | High Idle (E) 2750 ± 300 kPa (399 ± 44 psi) |
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| Standby Pressure | High Idle at with no steer condition (HD) or (HC) 2750 ± 300 kPa (399 ± 44 psi) |
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| POR | High Idle at MAX STEER RIGHT (HD) or MAX STEER LEFT (HC) 40160 ± 1200 kPa (5825 ± 174 psi) |
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| Steering Pump Case Drain Pressure | 1850 rpm at pressure tap (G) less than 175 kPa (25 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Braking System
ReferenceRefer to Testing & Adjusting, UENR1349, "Testing and Adjusting Section" for more detail on the following test.
Brake Pressure - Test
Note: Machine must be in the raised position.
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| Status (1) | Description | Specification | Actual | Comments |
| Brake Pressure | Brakes On 70 kPa (10 psi) |
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| Brakes Off 3170 ± 140 kPa (460 ± 20 psi) |
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| Brake Lubrication | Brakes On 140 ± 70 kPa (20 ± 10 psi) |
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| Brakes Off 200 ± 75 kPa (29 ± 11 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
S.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU8674, "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 or Monthly | ||
| Cooling System Coolant Sample (Level I) | Every 500 Service Hours | ||
| Cooling System Coolant Sample (Level II) | Initial 500 Hours (for New Systems, Refilled Systems, and Converted Systems) | ||
| Every Year | |||
| Hydraulic Oil Sample | Every 500 Service Hours | ||
| Coolant Sample (DEAC) | Every 250 Service Hours or Monthly | ||
| Power Train System Oil Sample | Every 500 Service Hours |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Caterpillar Information System:
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C280 Marine Engines Aftertreatment SCR System - Decommission
950M and 962M Wheel Loaders Engine Compartment - Clean
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924K, 930K and 938K Wheel Loaders Hydraulic System Oil Sample - Obtain
930K Wheel Loader InstrClstr Monitoring General Information
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930K Wheel Loader InstrClstr Monitoring Monitor Display
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924K, 930K and 938K Wheel Loaders Engine Air Precleaner - Clean - Turbine If Equipped
D7E Track-Type Tractor Machine Systems Control Manifold (Hydraulic Fan) - Remove and Install
C3.4B Industrial Engine Cold Weather Operation
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930K Wheel Loader InstrClstr Monitoring Diagnostic Capabilities