824K Wheel Dozer, 825K Soil Compactor and 826K Landfill Compactor TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
- Landfill Compactor:
- 826K (S/N: SET1-UP; 2321-UP)
- Soil Compactor:
- 825K (S/N: SEE1-UP; 2331-UP)
- Wheel Dozer:
- 824K (S/N: RWB1-UP; 2341-UP)
Introduction
Inspections are the most basic form of condition monitoring. Inspections 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 intervene effectively 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 ± 1V | 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, SENR9832, "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 | - | |||
| Belt Tension | - | Refer to Operation and Maintenance Manual. | ||
| Difference between the Upper and Lower Radiator Tank Temperatures | - | |||
| Aftercooler Water Outlet Temperature |
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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 | 820.47644 ± 165.47424 kPa (119 ± 24 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 | 103.42140 kPa (15 psi) to 599.84412 kPa (87 psi) |
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| Engine Oil Pressure at Rated Speed | 275.79040 kPa (40 psi) to 599.84412 kPa (87 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 ± 10 rpm | |||
| Engine Speed at High Idle | 2120 ± 10 rpm | |||
| Torque Converter Stall Test Engine RPM | 1300 ± 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 |
| Torque Converter Stall Test Boost Pressure | 72.9 ± 10 IN_HG (185.1 ± 25.4 CM_HG | |||
| 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) | - | |||
| Cylinder # 7 Exhaust Temperature (2) | - | |||
| Cylinder # 8 Exhaust Temperature (2) | - |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Compare the exhaust temperature variance at each exhaust port. |
Hydraulic Performance Checks
ReferenceRefer to Testing & Adjusting, UENR3840, "Machine Systems" for more detail on the following test.
Implement Cycle Time-Check
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| Status (1) | Description | Specification | Actual | Comments | |
| 824K | 825K/826K | ||||
| Ground to full raise | 2.1 ± 0.4 seconds | 2.1 ± 0.4 seconds | |||
| Full raise to ground | 2.2 ± 0.5 seconds | 2.2 ± 0.5 seconds | |||
| Float | 1.7 ± 0.4 seconds | 1.7 ± 0.4 seconds | |||
| Single Tilt Full tilt one direction to full tilt in the opposite direction |
3.25 ± 0.25 seconds | - | |||
| Dual Tilt Full tilt one direction to full tilt in the opposite direction |
3.25 ± 0.25 seconds | - | |||
| Pitch Forward | 3.25 ± 0.25 seconds | - | |||
| Pitch Back | 3.25 ± 0.25 seconds | - | |||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Lift and Tilt Cylinder Drift - Check
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| Status (1) | Description | Specification | Actual | Comments |
| Oil Temperature | 45° ± 5°C (113° ± 9°F) |
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| Lift Cylinder | Max. Drift 824K and 825K 120 mm (4.7 inch) for 5 minutes |
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| Max. Drift 826K 60 mm (2.4 inch) for 5 minutes |
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| Tilt Cylinder | Max. drift 825K and 826K 60 mm (2.3 inch) for 1 minute |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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| Status (1) | Description | Specification | Actual | Comments |
| Oil Temperature | 57.5° ± 7.5°C (135° ± 13°F) |
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| Lift Cylinder | Max. Drift 824K and 825K 120 mm (4.7 inch) for 2.7 minutes |
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| Max. Drift 826K 60 mm (2.4 inch) for 2.7 minutes |
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| Tilt Cylinder | Max. drift 825K and 826K 80 mm (3.1 inch) for 1 minute |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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| Status (1) | Description | Specification | Actual | Comments |
| Oil Temperature | 77.5° ± 12.5°C (171° ± 22°F) |
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| Lift Cylinder | Max. Drift 824K and 825K 140 mm (5.5 inch) for 1.7 minutes |
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| Max. Drift 826K 60 mm (2.4 inch) for 1.7 minutes |
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| Tilt Cylinder | Max. drift 825K and 826K 120 mm (4.7 inch) for 1 minute |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering Performance Checks
ReferenceRefer to Testing and Adjusting, UENR3840, "Machine Systems" for more detail on the following test.
Steering Time - Check and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Steering Time for a Full Turn from Stop to Stop (High Idle) | 3.6 ± 0.4 seconds | |||
| Steering Time for a Full Turn from Stop to Stop (Low Idle) | 8.2 ± 0.8 seconds |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic System
ReferenceRefer to Testing & Adjusting, UENR3840, "Machine Systems" for more detail on the following test.
Pilot Oil Accumulator - Test
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| Status (1) | Description | Specification | Actual | Comments |
| Oil Temperature | 52.5° ± 7.5°C (126.5° ± 13.5°F) |
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| Accumulator Pressure (Dead Engine Lower) | 3800 ± 200 kPa (550 ± 30 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Piston Pump Cutoff Pressure (Hydraulic Fan) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Cutoff Pressure | 21500 ± 350 kPa (3118 ± 50 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Torque Converter Stall and Implement Pump Double Stall - Test
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| Status (1) | Description | Specification | Actual | Comments |
| First gear override stall speed test (1F-PTS Stall) | 1660 ± 20 RPM | |||
| Third gear stall speed test (3F and 4F - Converter stall) (2) | 1823 ± 35 RPM | |||
| Raise Double stall speed check with 1F-PTS | 1660 ± 20 RPM | |||
| Raise Double stall speed check without PTS (3F and 4F) (2) | 1815 ± 100 RPM |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | The 826K machine does not have a clutch 4 (Third Speed) |
Power Train System
ReferenceRefer to Testing and Adjusting, UENR3840, "Machine Systems" for more information.
Test for Transmission Clutch Pressure
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| Status (1) | Description | Specification | Actual | Comments |
| Clutch "1" Pressure | 2757 ± 138 kPa (400 ± 20 psi) |
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| Clutch "2" Pressure | 2757 ± 138 kPa (400 ± 20 psi) |
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| Clutch "3" Pressure | 2757 ± 138 kPa (400 ± 20 psi) |
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| Clutch "4" Pressure | 2757 ± 138 kPa (400 ± 20 psi) |
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| Clutch "5" Pressure | 2757 ± 138 kPa (400 ± 20 psi) |
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| Clutch "6" Pressure | 2757 ± 138 kPa (400 ± 20 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Test for the Lubrication Oil Pressure
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| Status (1) | Description | Specification | Actual | Comments |
| Transmission Lubrication Pressure (High Idle) | 275 ± 137 kPa (40 ± 20 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Torque Converter Outlet Pressure (Torque Converter Stall)
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| Status (1) | Description | Specification | Actual | Comments |
| Torque Converter Outlet Pressure (High Idle) | 450 ± 50 kPa (65.5 ± 7.25 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission Oil Pump Pressure (High Idle)
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| Status (1) | Description | Specification | Actual | Comments |
| Transmission Oil Pump Pressure (High Idle) | 2310 ± 125 kPa (335 ± 18 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Lockup Clutch Pressure (High Idle)
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| Status (1) | Description | Specification | Actual | Comments |
| Lockup Clutch Pressure (High Idle) | 2068 ± 345 kPa (300 ± 50 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering System
ReferenceRefer to Testing and Adjusting, UENR3840, "Machine Systems" for more information.
Steering System Pressure (High Pressure Stall) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Steering Pump Discharge Pressure at High Idle | 24000 ± 350 kPa (3480 ± 50 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Piston Pump (Steering) Margin Pressure - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Steering Pump Margin Pressure at High Idle | 2400 ± 100 kPa (348 ± 15 psi) at 2120 RPM ± 20 RPM |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Steering Cylinder Crossover) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Steering Cylinder Line Relief Valve Pressure | 29100 ± 700 kPa (4220 ± 100 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Pump Backup) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| High Pressure Cutoff (High Idle) | 22500 ± 345 kPa (3263 ± 50 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering Neutralizer Valve - Check and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Putty Thickness | 12.7 ± 3 mm (0.5 ± 0.12 inch) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering Turn Stop - Adjust
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| Status (1) | Description | Specification | Actual | Comments |
| Turn Stop Dimension | 13 mm (0.5 inch) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Brake and Hydraulic Fan System
ReferenceRefer to Testing & Adjusting, UENR3840, "Machine Systems" for more detail on the following test.
Service Brake System Pressure - Test
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| Status (1) | Description | Specification | Actual | Comments |
| Service Brake Pressure (Fully Depressed) (2) | 5520 ± 170 kPa (801 ± 25 psi) |
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| Service Brake Pressure (Fully Released) (2) | 70 ± 10 kPa (10 ± 1 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | For both Front and Rear Brakes |
S·O·S Samples
ReferenceRefer to Operation and Maintenance Manual, SEBU9109, "824K Wheel Dozer ", "Maintenance Interval Schedule" for more detail on performing S.O.S samples.
ReferenceRefer to Operation and Maintenance Manual, SEBU9110, "825K Soil Compactor ", "Maintenance Interval Schedule" for more detail on performing S.O.S samples.
ReferenceRefer to Operation and Maintenance Manual, SEBU9111, "826K Landfill Compactor", "Maintenance Interval Schedule" for more detail on performing S.O.S samples.
Engine Oil Sample
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| Status (1) | Description | Obtain | Comments |
| Engine Oil Sample |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Engine Coolant Sample
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| Status (1) | Description | Obtain | Comments |
| Engine Coolant Sample |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic Oil Sample
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| Status (1) | Description | Obtain | Comments |
| Hydraulic Oil Sample |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Differential & Final Drive Oil Samples (Inboard Final Drives)
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| Status (1) | Description | Obtain | Comments |
| Front Differential & Final Drive Oil Sample | |||
| Rear Differential & Final Drive Oil Sample |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Differential & Final Drive Oil Samples (Outboard Final Drives)
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| Status (1) | Description | Obtain | Comments |
| Front Differential Oil Sample | |||
| Rear Differential Oil Sample | |||
| Left Front Final Drive Oil Sample | |||
| Right Front Final Drive Oil Sample | |||
| Left Rear Final Drive Oil Sample | |||
| Right Rear Final Drive Oil Sample |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission/Torque Converter Oil Sample
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| Status (1) | Description | Obtain | Comments |
| Transmission/Torque Converter Oil Sample |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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