- Wheel Dozer
- 854K (S/N: KK31-UP; RM31-UP; KK61-UP; RM61-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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Table 1
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 to prevent stress on battery connections (terminals). |
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Battery Test |
12.4 VDC or more |
|
Refer to Special Instruction, SEHS7633, "Battery Test Procedure". |
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Charging System Test |
28 ± 1V |
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Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". |
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Electric Starting System Test |
12 to 16 V at −23° C (−10° F) to −7° C (19° F) |
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14 to 18 V at −7° C (19° F) to 10° C (50° F) |
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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Table 2
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Radiator Pressure Relief (Radiator Cap)(2) |
- |
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Freezing Point of Engine Coolant |
- |
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Conditioner Test of Engine Coolant |
- |
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Belt Tension |
- |
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Refer to Operation and Maintenance Manual. |
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Difference between the Upper and Lower Radiator Tank Temperatures |
- |
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Aftercooler Water Outlet Temperature |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
(2) |
Test for the pressure that is listed on the cap. |
Basic Engine
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Table 3
Status(1) |
Description |
Specification |
Actual |
Comments |
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Engine Speed at Low Idle |
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Engine Speed at High Idle |
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Torque Converter Stall Test Engine RPM |
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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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Table 4
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Torque Converter Stall Test Boost Pressure |
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Cylinder # 1 Exhaust Temperature(2) |
- |
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Cylinder # 2 Exhaust Temperature(2) |
- |
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Cylinder # 3 Exhaust Temperature(2) |
- |
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Cylinder # 4 Exhaust Temperature(2) |
- |
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Cylinder # 5 Exhaust Temperature(2) |
- |
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Cylinder # 6 Exhaust Temperature(2) |
- |
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Cylinder # 7 Exhaust Temperature(2) |
- |
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Cylinder # 8 Exhaust Temperature(2) |
- |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
(2) |
Compare the exhaust temperature variance at each exhaust port. |
Hydraulic Performance Checks
Reference: Refer to Testing & Adjusting, M0074761, "Hydraulic System" for more detail on the following test.
Ripper Cylinder Drift - Check
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Table 5
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Ripper Cylinder |
Must move more than 10 mm (0.39 inch) at oil temperature of 28° to 48°C (50° to 86°F) for 5 minutes |
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Must move more than 10 mm (0.39 inch) at oil temperature of 49° ± 68°C (88° ± 122°F) for 2.7 minutes |
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Must move more than 10 mm (0.39 inch) at oil temperature of 69° ± 88°C (124° ± 158°F) for 1.7 minutes |
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(1) |
N = Normal, M = Monitor, A = Action |
Lift Cylinder and Tilt Cylinder (Tilt, Tip Function) Drift - Check
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Table 6
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Lift Cylinder |
Max. Drift 38.1 mm (1.5 inch) at oil temperature of 38° to 49°C (100° to 120°F) for 5 minutes |
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Max. Drift 38.1 mm (1.5 inch) at oil temperature of 50° to 65°C (122° to 149°F) for 2.7 minutes |
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Max. Drift 38.1 mm (1.5 inch) at oil temperature of above 66° C (150° F) for 1.7 minutes |
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Tilt Cylinder |
Max. Drift 11.2 mm (0.44 inch) at oil temperature of 38° to 49°C (100° to 120°F) for 5 minutes |
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Max. Drift 11.2 mm (0.44 inch) at oil temperature of 50° to 65°C (122° to 149°F) for 2.7 minutes |
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Max. Drift 11.2 mm (0.44 inch) at oil temperature of above 66° C (150° F) for 1.7 minutes |
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(1) |
N = Normal, M = Monitor, A = Action |
Lift and Tilt Cylinder Speed - Check
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Table 7
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Time needed to move the tilt cylinder rod from the fully retracted position to the fully extended position |
5.1 seconds |
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Time needed to move the tilt cylinder rod from the fully extended position to the fully retracted position |
4.2 seconds |
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Time needed to move the lift cylinder rod from the fully extended position to the fully retracted position (Blade fully lowered to blade fully raised) |
6.5 seconds |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Steering Performance Checks
Reference: Refer to Testing & Adjusting, M0074624, "Pump Performance (Steering) - Test" for more detail on the following test.
Steering Time - Check and Adjust
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Table 8
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Steering cycle Time |
4.4 ± 0.3 seconds |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Hydraulic System
Reference: Refer to Testing & Adjusting, M0074761, "Hydraulic System" for more detail on the following test.
Relief Valve (Implement Pilot) - Test and Adjust
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Table 9
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Pilot Oil Pressure at Low Idle |
3800 ± 200 kPa (551 ± 29 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Torque Converter Stall (3FWD) - Test
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Table 10
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Torque Converter Stall Speed (3FWD) - Nominal(2) |
1745 ± 40 RPM |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
(2) |
Check the stall speed with the hydraulic fan at maximum speed. |
Pressure Reducing Valve Pressure for Dead Engine Pilot Supply (Engine OFF - Test and Adjust)
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Table 11
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Pilot Oil Pressure for dead engine |
3705 ± 605 kPa (537 ± 88 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Lift Cylinder) - Test and Adjust
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Table 12
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Lift Cylinder Relief Valve Pressure at High Idle |
22675 ± 125 kPa (3290 ± 20 psi) |
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Main Relief Valve Pressure |
22675 ± 125 kPa (3290 ± 20 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Tilt, Tip Cylinder) - Test and Adjust
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Table 13
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Tilt Cylinder Relief Valve Pressure at High Idle |
24560 ± 50 kPa (3560 ± 10 psi) |
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Relief Valve Pressure for Tilt and Tip Circuit |
24560 ± 50 kPa (3560 ± 10 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Ripper) - Test and Adjust
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Table 14
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Ripper Relief Valve Pressure (High Idle) |
24407 ± 400 kPa (3540 ± 58 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump (Ripper) Margin Pressure - Test and Adjust
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Table 15
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Ripper Piston Pump Margin Pressure (High Idle) |
2068 kPa (300 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump (Ripper) High-Pressure Cut off - Test and Adjust
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Table 16
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Ripper Piston Pump High-Pressure Cut off (High Idle) |
21200 ± 351 kPa (3075 ± 51 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Power Train System
Reference: Refer to Testing & Adjusting, M0074624, "Power Train - Testing and Adjusting" for more detail on the following test.
Torque Converter Impeller Clutch Pressure - Test
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Table 17
Torque Converter Pressure |
Pressure |
Pressure Tap |
Pressure at High Idle |
Adjustment |
Lockup Clutch Hold Pressure (If equipped) |
(C) |
Minimum pressure is 1965 kPa (285 psi).
Minimum pressure is 2100 kPa (305 psi). |
- |
Torque Converter Inlet |
(D) |
Maximum pressure with cold oil is 930 kPa (135 psi). |
- |
Impeller Clutch (Pedal Released) |
(F) |
Impeller clutch pressure is 1980 ± 300 kPa (287 ± 44 psi). |
- |
Impeller Clutch (Pedal Depressed) |
Minimum pressure is 356 kPa (52 psi).
Maximum pressure is 657 kPa (95 psi). |
- |
Torque Converter Outlet |
(H) |
Torque converter outlet pressure is 70 ± 10 kPa (10 ± 1.5 psi). |
Add spacers (17) or remove spacers (17). |
Torque Converter Lockup Clutch Pressure - Test
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Table 18
Torque Converter Pressure |
Pressure |
Pressure Tap |
Pressure at High Idle |
Adjustment |
Lockup Clutch Hold Pressure (If equipped) |
(C) |
Minimum pressure is 1965 kPa (285 psi).
Minimum pressure is 2100 kPa (305 psi). |
- |
Torque Converter Inlet |
(D) |
Maximum pressure with cold oil is 930 kPa (135 psi). |
- |
Impeller Clutch (Pedal Released) |
(F) |
Impeller clutch pressure is 1980 ± 300 kPa (287 ± 44 psi). |
- |
Impeller Clutch (Pedal Depressed) |
Minimum pressure is 356 kPa (52 psi).
Maximum pressure is 657 kPa (95 psi). |
- |
Torque Converter Outlet |
(H) |
Torque converter outlet pressure is 70 ± 10 kPa (10 ± 1.5 psi). |
Add spacers (17) or remove spacers (17). |
Torque Converter Stall Speed (First Gear Override) (Operator Monitor) - Test
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Table 19
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Torque Converter Stall Speed (1FWD) - Nominal(2) |
1605 ± 20 RPM |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
(2) |
Check the stall speed with the hydraulic fan at maximum speed. |
Torque Converter Stall Speed (Third Gear Override) (Operator Monitor) - Test
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Table 20
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Torque Converter Stall Speed (3FWD) - Nominal(2) |
1730 ± 40 RPM |
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|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
(2) |
Check the stall speed with the hydraulic fan at maximum speed. |
Transmission Pressures - Test and Adjust
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Table 21
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Speed Clutch P1 Pressure (Low Idle) (Initial Pressure) |
The pressure is 530 ± 35 kPa (77 ± 5 psi) when the direction switch is in the NEUTRAL position and plug (K) for the load piston is removed. |
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Speed Clutch P1(Low Idle) |
The pressure must not be more than 480 kPa (70 psi) below the pressure at high idle. Plug (K) for the load piston is installed. |
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Speed Clutch P1 (High Idle) |
The pressure is 2551 ± 140 kPa (365 ± 20 psi) when the direction switch is FORWARD or in REVERSE and any speed is selected. Plug (K) for the load piston is installed. |
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Direction Clutch P2 (Low Idle) (High Idle) |
The pressure is 380 ± 35 kPa (55 ± 5 psi) lower than the speed clutch pressure at pressure tap (E). Plug (K) for the load piston is installed. |
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Transmission Lubrication Oil Pressure (High Idle) |
This pressure is approximately 172 ± 27 kPa (25 ± 4 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Steering System
Reference: Refer to Testing & Adjusting, M0074624, "Steering System" for more detail on the following test.
Steering System Pressure (High-Pressure Stall) - Test and Adjust
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Table 22
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Steering System Pressure at High Idle (High-Pressure Stall) |
31000 kPa (4500 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump (Steering) Margin Pressure - Test and Adjust
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Table 23
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Piston Pump (Steering) Margin Pressure |
2100 kPa (305 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Steering Pilot System Pressure - Test and Adjust
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Table 24
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Steering Pilot Pump at High Idle |
2400 ± 100 kPa (350 ± 15 psi) |
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Primary Steering Pump Pilot Pressure at High Idle |
1650 ± 150 kPa (240 ± 20 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Steering Cylinder Crossover) - Test and Adjust
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Table 25
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Steering Cylinder Crossover Relief Valve Pressure |
31000 ± 700 kPa (4500 ± 100 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Pump Backup) - Test and Adjust
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Table 26
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Relief Valve Pressure |
24160 ± 700 kPa (3500 ± 100 psi) |
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Backup Relief Valve Pressure |
34500 ± 700 kPa (5000 ± 100 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Secondary Steering) - Test and Adjust - If Equipped
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Table 27
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Relief Valve Pressure |
17300 ± 700 kPa (2509 ± 100 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Steering Neutralizer Valve - Check and Adjust
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Table 28
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Right Side Gap (Engine Frame to Non-Engine Frame |
19 ± 3 mm (0.75 ± 0.12 inch) |
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Left Side Gap (Engine Frame to Non-Engine Frame |
19 ± 3 mm (0.75 ± 0.12 inch) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Braking System
Reference: Refer to Testing & Adjusting, M0074624, "Braking System" for more detail on the following test.
Piston Pump (Brake) Pressure - Test and Adjust
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Table 29
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Piston Pump Pressure |
13790 ± 345 kPa (2000 ± 50 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Service Brake System Pressure - Test
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Table 30
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Brake Pressure (Brake ON) |
4310 ± 350 kPa (625 ± 50 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Brake Accumulator - Test and Charge
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Table 31
Charging Pressure and temperature Relationship for a Typical 4820 kPa (700 psi) Accumulator |
Temperature |
Pressure(1) |
−7° C (20° F) |
4350 kPa (631 psi) |
−1° C (30° F) |
4470 kPa (648 psi) |
4° C (40° F) |
4500 kPa (653 psi) |
10° C (50° F) |
4650 kPa (674 psi) |
16° C (60° F) |
4740 kPa (688 psi) |
21° C (70° F) |
4830 kPa (701 psi) |
27° C (80° F) |
4900 kPa (711 psi) |
32° C (90° F) |
5000 kPa (725 psi) |
38° C (100° F) |
5105 kPa (740 psi) |
43° C (110° F) |
5200 kPa (754 psi) |
49° C (120° F) |
5300 kPa (769 psi) |
Show/hide table
(1) |
Nominal allowable tolerance equals ± 70 kPa (10 psi) |
Parking Brake System Pressure - Test
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Table 32
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Parking Brake System Pressure |
6035 ± 515 kPa (875 ± 75 psi) |
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|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Fan System
Reference: Refer to Testing & Adjusting, M0074761, "Hydraulic System" for more detail on the following test.
Hydraulic Fan Speed - Test and Adjust
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Table 33
854K Hydraulic Fan Speeds(1) |
|
854K Standard |
854K High Ambient |
Altitude |
Target Max Fan Speed |
Target Max Fan Speed |
240 m (787 ft) |
950 rpm |
1100 rpm |
500 m (1640 ft) |
970 rpm |
1120 rpm |
1000 m (3281 ft) |
1000 rpm |
1150 rpm |
1500 m (4921 ft) |
1020 rpm |
1190 rpm |
2000 m (6562 ft) |
1060 rpm |
1220 rpm |
2500 m (8202 ft) |
1090 rpm |
1260 rpm |
3000 m (9843 ft) |
1130 rpm |
1300 rpm |
3500 m (11483 ft) |
1160 rpm |
1350 rpm |
4000 m (13123 ft) |
1200 rpm |
1400 rpm |
4500 m (14764 ft) |
1240 rpm |
1420 rpm |
5000 m (16404 ft) |
1290 rpm |
1420 rpm |
Show/hide table
(1) |
The hydraulic fan speed is at high RPM. Calibration of the Hydraulic Fan System is done through Caterpillar Electronic Technician. |
Piston Pump Cut off Pressure (Hydraulic Fan) - Test and Adjust
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Table 34
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Pump Cut off Pressure |
24000 ± 350 kPa (3481 ± 51 psi) |
|
|
|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust
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Table 35
Status(1) |
Description |
Specification |
Actual |
Comments |
|
Control Pressure |
4650 to 9050 kPa (675 to 1310 psi) |
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|
Margin Pressure |
2100 ± 100 kPa (305 ± 15 psi) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
S·O·S Samples
Reference: Refer to Operation and Maintenance Manual, M0074688, "854K Wheel Dozer", "Maintenance Section" for more detail on performing S.O.S samples.
Engine Oil Sample
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Table 36
Status(1) |
Description |
Obtain |
Comments |
|
Engine Oil Sample |
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|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Engine Coolant Sample
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Table 37
Status(1) |
Description |
Obtain |
Comments |
|
Engine Coolant Sample |
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|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Hydraulic Oil Sample
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Table 38
Status(1) |
Description |
Obtain |
Comments |
|
Hydraulic Oil Sample |
|
|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Differential & Final Drive Oil Samples (Inboard Final Drives)
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Table 39
Status(1) |
Description |
Obtain |
Comments |
|
Front Differential & Final Drive Oil Sample |
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|
Rear Differential & Final Drive Oil Sample |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Differential & Final Drive Oil Samples (Outboard Final Drives)
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Table 40
Status(1) |
Description |
Obtain |
Comments |
|
Front Differential Oil Sample |
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Rear Differential Oil Sample |
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Left Front Final Drive Oil Sample |
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Right Front Final Drive Oil Sample |
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Left Rear Final Drive Oil Sample |
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Right Rear Final Drive Oil Sample |
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|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Transmission/Torque Converter Oil Sample
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Table 41
Status(1) |
Description |
Obtain |
Comments |
|
Transmission/Torque Converter Oil Sample |
|
|
Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |