D3K2, D4K2, D5K2 Track-Type Tractor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
- Track-Type Tractor:
- D3K2 (S/N: JPJ1-UP; KF21-UP; KL21-UP; FT31-UP; LT31-UP)
- D4K2 (S/N: KM21-UP; KR21-UP; MT31-UP; RT31-UP)
- D5K2 (S/N: RRE1-UP; KW21-UP; KY21-UP; WT31-UP; YT31-UP)
- D4K2 (S/N: KM21-UP; KR21-UP; MT31-UP; RT31-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 | 14 ± 1.0 V | Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". | ||
| Electric Starting System Test |
6 to 8 V at −23° C (−10° F) to −7° C (19° F) |
Refer to Testing and Adjusting, "Electric Starting System - Test". | ||
| 7 to 9 V at −7° C (19° F) to 10° C (50° F) |
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| 8 to 10 V at 10° C (50° F) to 27° C (80° F) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Engine (Tier 4 Final)
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 at Idle Speed | 150 kPa (22 psi) |
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| Maximum Fuel Pressure of the High Pressure Fuel System | 200 MPa (29000 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 a Maximum Engine Speed of 2200 rpm | 280 kPa (40 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 | 950 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) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Compare the exhaust temperature variance at each exhaust port. |
Engine (LRC)
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 |
Show/hide table
| ( 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 |
| Maximum Fuel Pressure of the High Pressure Fuel System | 190 MPa (27557 psi) |
Show/hide table
| ( 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 | 300 kPa (43 psi) |
Show/hide table
| ( 1 ) | N = Normal, M = Monitor, A = Action |
Basic Engine
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| Status (1) | Description | Specification | Actual | Comments |
| Engine Speed at Low Idle | 950 rpm | |||
| Engine Speed at High Idle | 2100 rpm | |||
| Cylinder Cutout Test | Cat® Electronic Technician (Cat ET) Service Tool |
Show/hide table
| ( 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) |
Show/hide table
| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Compare the exhaust temperature variance at each exhaust port. |
Performance Checks
ReferenceRefer to Testing & Adjusting, UENR4089, "Testing and Adjusting Section" for more detail on the following test.
Operational Test
Cycle Times
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Bulldozer Lift Cylinder Speed Test | 2.2 ± 0.3 seconds | |||
| Bulldozer Tilt Cylinder Speed Test (Tilt Left) | 0.9 ± 0.2 seconds | |||
| Bulldozer Tilt Cylinder Speed Test (Tilt Right) | 1.0 + 0.2 seconds | |||
| Bulldozer Angle Cylinder Speed Test (Tilt Left) | 2.9 ± 0.3 seconds | |||
| Bulldozer Angle Cylinder Speed Test (Tilt Right) | 2.9 ± 0.3 seconds | |||
| Ripper Lift Cylinder Speed Test | 1.3 ± 0.2 seconds |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Drift
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| Status (1) | Description | Beginning rod length | Rod length at 5 minutes | Specified drift | Actual drift | Comments |
|---|---|---|---|---|---|---|
| Bulldozer Lift Cylinder Drift Test (Oil temperature of 38° C (100° F) to 65° C (149.° F)) |
17 mm (0.67 inch) |
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| Bulldozer Tilt Cylinder Drift Test (Oil temperature of 38° C (100° F) to 65° C (149.° F)) |
33 mm (1.30 inch) |
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| Ripper Lift Cylinder Drift Test (Oil temperature of 38° C (100° F) to 65° C (149.° F)) |
6 mm (0.24 inch) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic System
ReferenceRefer to Testing & Adjusting, UNER4089, "Hydraulic Systems" for more detail on the following test.
Relief Valve (Main) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Main Relief Valve | 20600 ± 900 kPa (2988 ± 131 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Line) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Line Relief Valve | 24150 ± 350 kPa (3500 ± 51 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Final Hydrostatic Speed - Test
Forward Position
Note: Machine must be in the raised position.
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2200 ± 25 rpm | |||
| Right Travel Forward Pressure | 7000 + 5000/ - 3000 kPa (1015 + 725/ - 435psi) |
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| Left Travel Forward Pressure | 7000 + 5000/ - 3000 kPa (1015 + 725/ - 435psi) |
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| Speed of the left drive motor | 3150 + 100/ - 250 rpm | |||
| Speed of the right drive motor | 3150 + 100/ - 250 rpm |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Reverse Position
Note: Machine must be in the raised position.
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2200 ± 25 rpm | |||
| Right Travel Backward Pressure | 7500 + 5000/ - 3000 kPa (1087 + 725/- 435psi) |
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| Left Travel Backward Pressure | 7500 + 5000/- 3000 kPa (1087 + 725/ - 435psi) |
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| Speed of the left drive motor | -3500 ± 250/- 100 rpm | |||
| Speed of the right drive motor | -3500 ± 250/- 100 rpm |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Piston Pump (Hydrostatic) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Charge oil pressure (engine speed 950 ± 25 rpm) at pressure tap (AA) | 2800 +40/ -225 kPa (406 +5.8/ -33 psi) |
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| Charge oil pressure (engine speed 2100 ± 25 rpm) at pressure tap (AA) | 3100 +400/ -300 kPa (450 +58/ -44 psi) |
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| Left travel forward pressure (engine speed 2100 ± 25 rpm) | 47500 ± 2225 kPa (6889 ± 323 psi) |
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| Right travel forward pressure (engine speed 2100 ± 25 rpm) | 47500 ± 2225 kPa (6889 ± 323 psi) |
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| Mechanical Neutral (engine speed 950 ± 25 rpm) | 200 kPa (30 psi) |
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| Hydraulic Neutral (engine speed 950 ± 25 rpm) | 200 kPa (30 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering System
ReferenceRefer to Testing & Adjusting, UENR4089, "Testing and Adjusting" for more detail on the following test.
Steering - Test
Note: Machine must be in the raised position.
Forward Left Detent
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2200 ± 25 rpm | |||
| Right Travel Forward Pressure | 7000 + 5000/ - 3000 kPa (1015 + 725/ - 435 psi) |
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| Left Travel Forward Pressure | 4000 + 2000/ - 1000 kPa (580 + 290/ - 145 psi) |
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| Speed of the left drive motor | 750 + 450/ -400 rpm | |||
| Speed of the right drive motor | 3150 + 100/- 250 rpm |
Show/hide table
| ( 1 ) | N = Normal, M = Monitor, A = Action |
Forward Right Detent
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| Status (1) | Description | Specification | Actual | Comments |
| Engine speed | 2200 ± 25 rpm | |||
| Right Travel Forward Pressure | 4000 + 2000/ - 1000 kPa (580 + 290/ - 145 psi) |
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| Left Travel Forward Pressure | 7000 + 5000/ - 3000 kPa (1015 + 725/ - 435 psi) |
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| Speed of the left drive motor | 3150 + 100/- 250 rpm | |||
| Speed of the right drive motor | 750 + 450/- 400 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 | 2200 ± 25 rpm | |||
| Left Travel Backward Pressure | 4000 + 2000/ - 1000 kPa (580 + 290/ - 145 psi) |
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| Right Travel Backward Pressure | 7500 + 5000/ - 3000 kPa (1015 + 725/ - 435 psi) |
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| Speed of the left drive motor | −750 + 450/- 400 rpm | |||
| Speed of the right drive motor | −3500 + 400/- 100 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 | 2200 ± 25 rpm | |||
| Left Travel Backward Pressure | 7500 + 5000/ - 3000 kPa (1015 + 725/ - 435 psi) |
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| Right Travel Backward Pressure | 4000 + 2000/ - 1000 kPa (580 + 290/ - 145 psi) |
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| Speed of the left drive motor | −3500 + 400/- 100 rpm | |||
| Speed of the right drive motor | −750 + 450/- 400 rpm |
Show/hide table
| ( 1 ) | N = Normal, M = Monitor, A = Action |
Braking System
ReferenceRefer to Testing & Adjusting, UENR4089, "Testing and Adjusting Section" for more detail on the following test.
Deceleration/Brake Pedal - Test
Note: Machine must be in the raised position.
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| Status (1) | Description | Specification | Actual | Comments |
| Parking brake engaged at pressure tap (AA) | 100 ± 100 kPa (15 ± 15 psi) |
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| Decelerator/brake pedal released (Engine Speed 2100 ± 25) at pressure tap (AA) | 3100 +400/ -350 kPa (450 +58/ -51psi) |
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| Decelerator/brake pedal fully depressed (Engine Speed 950 ± 25) at pressure tap (AA) | 100 ± 100 kPa (15 ± 15 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Winch System
ReferenceRefer to Testing & Adjusting, UENR4089, "Testing and Adjusting Section" for more detail on the following test.
Piston Pump (Winch)- Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Charge Pressure (Low Idle) | 1800 +200/ -100 kPa (261 + 29/ - 15 psi) |
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| Charge Pressure (High Idle) | 2025 +200/ -100 kPa (294 + 29/ - 15 psi) |
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| Pressure Override (POR) Pressure REEL IN/REEL OUT (High Idle | 43000 +1800/ -2500 kPa (6237 + 261/ - 363 psi) |
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| Crossover Relief (COR) Pressure REEL IN/REEL OUT (High Idle) | 47000 ± 750 kPa (6817 ± 109 psi) |
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| Mechanical Neutral (engine speed 950 ± 25 rpm) | 100 kPa (15 psi) |
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| Hydraulic Neutral (engine speed 950 ± 25 rpm) | 50 kPa (7 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
S.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU9226, "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 | |||
| Cooling System Coolant Sample (Level I) | Every 500 Service Hours | |||
| Cooling System Coolant Sample (Level II) | Initial 500 Service Hours Every 2000 Service Hours |
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| Hydraulic Oil Sample | Every 500 Service Hours | |||
| Final Drive Oil Sample | Every 500 Service Hours | |||
| Winch | Every 500 Service Hours | |||
Show/hide table
| ( 1 ) | N = Normal, M = Monitor, A = Action |
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