- Wheel Loader
- 980M (S/N: MGD1-UP)
- 982M (S/N: LRS1-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
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). | Refer to Operation and Maintenance Manual, SEBU9054, "Battery or Battery Cable - Clean/Inspect/Replace". | ||
Battery Test | 12 VDC | Refer to Special Instruction, SEHS7633, "Battery Test Procedure". | ||
Charging System Test | Refer to Testing and Adjusting, UENR4302, "Charging System - Test"
Refer to Special Instruction, REHS0354, "Charging System Troubleshooting" |
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Electric Starting System Test | Refer to Testing and Adjusting, RENR6331, "Electric System - Test" |
(1) | N = Normal, M = Monitor, A = Action |
Cooling System
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Radiator Pressure Relief (Radiator Cap)(2) | Use 9S-8140 Pressurizing Pump to test the radiator pressure cap. |
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Freezing Point of Engine Coolant | ||||
Conditioner Test of Engine Coolant | ||||
Belt Tension | |
Auto Adjust Belt Tensioner | ||
Difference between the Upper and Lower Radiator Tank Temperatures |
(1) | N = Normal, M = Monitor, A = Action |
(2) | Test for the pressure that is listed on the cap. |
Fuel System
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Fuel Pressure of the Low-Pressure Fuel System at Idle Speed | |
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Maximum Fuel Pressure of the High-Pressure Fuel System | |
(1) | N = Normal, M = Monitor, A = Action |
Lubrication System
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Minimum Oil Pressure at the Low Idle Speed and at Normal Operating Temperature | |
(1) | N = Normal, M = Monitor, A = Action |
Basic Engine
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Engine Speed at Low Idle | ||||
Engine Speed at High Idle | ||||
Torque Converter Stall Test Engine RPM for 980M | 1973 + 10 - 65 rpm | |||
Torque Converter Stall Test Engine RPM for 982M | 1847 + 10 - 65 rpm | |||
Cylinder Cutout Test | Caterpillar Electronic Technician |
(1) | N = Normal, M = Monitor, A = Action |
Air Inlet and Exhaust System
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) |
(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, M0067740 for more detail on the following test.
Implement Cycle Time-Check (No Load - High Idle)
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Raise Cycle Time 980M/982M | 6.5 +/- 0.5 sec | |||
Lower Cycle Time 980M/982M | 3.8 +/- 0.5 sec | |||
Float Cycle Time 980M | 3.3 +/ - 0.5 sec | |||
Float Cycle Time 982M | 3.0 +/ - 0.5 sec | |||
Dump Cycle Time 980M/982M | 2.4 +/ - 0.5 sec | |||
Dump Cycle Time 980M Logger | 2.5 +/ - 0.5 sec | |||
Rack Back Cycle Time 980M | 2.6+ /- 0.5 sec | |||
Rack Back Cycle Time 982M | 3.0+ /- 0.5 sec | |||
Rack Back Cycle Time 980M Logger | 3.7 +/ - 0.5 sec |
(1) | N = Normal, M = Monitor, A = Action |
Lift and Tilt Cylinder Drift - Check
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Oil Temperature | |
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Lift Cylinder | |
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Tilt Cylinder | |
(1) | N = Normal, M = Monitor, A = Action |
Brake Performance Checks
Reference: Refer to Testing & Adjusting, M0067740 for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Brake Accumulator - Test (Test from OMM) | ||||
Service Brake Holding Ability Test- Test (Test from OMM) | ||||
Parking Brake Holding Ability Test- Test (Test from OMM) |
(1) | N = Normal, M = Monitor, A = Action |
Steering Performance Checks
Reference: Refer to Testing & Adjusting, M0067740 for more detail on the following test.
Steering Time - Check
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Steering Time (High Idle) | 3.0 ± 0.3 seconds | |||
Steering Time (High Idle) | 6.0 ± 0.3 seconds |
(1) | N = Normal, M = Monitor, A = Action |
Hydraulic System
Reference: Refer to Testing & Adjusting, M0067740, "Hydraulic System" for more detail on the following test.
Piston Pump (Implement)
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Discharge Pressure | |
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Load Sense Pressure | |
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Margin Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Pilot Pressure - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Pilot Pressure - High Idle | |
(1) | N = Normal, M = Monitor, A = Action |
Load Sensing Relief Valve Pressure
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Pressure setting for load sensing signal relief valve | |
(1) | N = Normal, M = Monitor, A = Action |
Pilot Oil Accumulator - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Accumulator Precharge pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Pilot Pressure - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Pilot Pressure - High Idle | |
(1) | N = Normal, M = Monitor, A = Action |
Ride Control Accumulator - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Oil Temperature | |
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Accumulator Precharge High Pressure | |
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Accumulator Precharge Low Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Ride Control Activation Speed
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Engagement Speed | |
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Factory Setting Activation Speed (Forward) | |
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Factory Setting Activation Speed (Reverse) | |
(1) | N = Normal, M = Monitor, A = Action |
Power Train System
Reference: Refer to Testing & Adjusting, M0067740, "Power Train System" for more detail on the following test.
Tire Pressure
The tire inflation pressure for machines that are shipped from the factory is suitable for shipping only. Always obtain the proper tire inflation pressures for your machine from the tire supplier before placing the machine into operation. The recommended tire inflation pressures for the front tires and for the rear tires will vary for each application.
Proper tire inflation pressure and maintenance of the tire inflation pressure is critical for optimum tire life. The tire inflation pressure should always be obtained from the tire supplier due to changes in the technology of tires, equipment, and job applications.
Reference: Refer to the latest edition of Special Publication, "Caterpillar Performance Handbook" for general information on tire inflation pressure.
Transmission Pressures
Transmission Pressures for the 980M and 982M Wheel Loaders | |||
Pressure Tap Number | Description | Specification | |
980M | 982M | ||
(10) - (1) | (ΔP) Pump - Clutch 1 | |
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(10) - (2) | (ΔP) Pump - Clutch 2 | |
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(10) - (3) | (ΔP) Pump - Clutch 3 | |
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(10) - (4) | (ΔP) Pump - Clutch 4 | |
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(10) - (5) | (ΔP) Pump - Clutch 5 | |
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(5) | Clutch Gauge 5 | |
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(10) - (6) | (ΔP) Pump - Clutch 6 | |
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(7) | Torque Converter Inlet HIGH IDLE Neutral | |
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(8) | Torque Converter Outlet HIGH IDLE Neutral | |
|
(9) | Transmission Lubrication HIGH IDLE Neutral | |
|
(10) | Transmission Pump
Test Point 1 - Test Point 2 - Test Point 3 - Test Point 4 |
3450 kPa - 3000 kPa
(500 psi - 435 psi) 2825 kPa - 2275 kPa (409 psi - 329 psi) 2050 kPa - 1200 kPa (297 psi - 174 psi) 1210 kPa - 910 kPa (175.5 psi - 132 psi) |
3450 kPa - 3000 kPa
(500 psi - 435 psi) 2825 kPa - 2275 kPa (409 psi - 329 psi) 2050 kPa - 1200 kPa (297 psi - 174 psi) 1210 kPa - 910 kPa (175.5 psi - 132 psi) |
(11) | Lock up clutch pressure | |
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Location of Pressure Taps
Illustration 1 | g03659147 |
Left side of machine (1) Transmission pressure tap for clutch 1 "Reverse" (2) Transmission pressure tap for clutch 2 "Forward" (3) Transmission pressure tap for clutch 3 "Forth Speed" (4) Transmission pressure tap for clutch 4 "Third Speed" (5) Transmission pressure tap for clutch 5 "Second Speed" (6) Transmission pressure tap for clutch 6 "First Speed" |
Illustration 2 | g03659131 |
Right side of machine (7) Torque converter inlet pressure tap (8) Torque converter outlet pressure tap (9) Transmission lubrication pressure tap (10) Transmission pump pressure tap |
Illustration 3 | g03659165 |
Left side of torque converter housing (11) Lock up clutch pressure tap |
Steering System
Reference: Refer to Testing & Adjusting, M0067740, "Steering System" for more detail on the following test.
Piston Pump (Steering) High-Pressure Stall - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Piston Pump (Steering) High-Pressure Stall for 980M | |
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Piston Pump (Steering) High-Pressure Stall for 982M | |
(1) | N = Normal, M = Monitor, A = Action |
Piston Pump (Steering) Margin Pressure - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Margin Pressure (High Idle) | |
(1) | N = Normal, M = Monitor, A = Action |
Relief Valve (Steering Cylinder Work Port) - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Relief Valve (Steering Cylinder Work Port) | |
(1) | N = Normal, M = Monitor, A = Action |
Steering Pilot System Pressure - Test
980M/982M Steering Pilot Pressure | ||
---|---|---|
Date | Equipment ID Code | |
Pump Pressure | Setting | Actual |
Steering Pilot System Pressure | |
Pressure Limiter (Auxiliary Valve) - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Auxiliary Pressure Limiter | |
(1) | N = Normal, M = Monitor, A = Action |
Relief Valve (Pump Back up) - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Steering Backup Relief Valve | |
(1) | N = Normal, M = Monitor, A = Action |
Brake and Hydraulic Fan System
Reference: Refer to Testing & Adjusting, M0067740 for more detail on the following test.
Brake Accumulator charging Valve Pressure
980M/ 982M Brake Accumulator charging valve pressure | ||
---|---|---|
Date | Equipment ID Code | |
Pump Pressure | Setting | Actual |
Cut-In pressure | |
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Cut-Out pressure | |
Service Brake Wear Indicator
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Right Front Indicator Depth | |
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Left Front Indicator Depth | |
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Right Rear Indicator Depth | |
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Left Rear Indicator Depth | |
(1) | N = Normal, M = Monitor, A = Action |
Hydraulic Fan (If Equipped)
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Max Fan Speed | 1400 ± 30 RPM | |||
Minimum Fan Speed | 500 ± 50 RPM | |||
Margin Pressure (High Idle) | |
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High-Pressure cut off (High Idle) | |
(1) | N = Normal, M = Monitor, A = Action |
Piston Pump Cutoff Pressure (Hydraulic Fan) - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
High-Pressure Cut off (High Idle) | |
(1) | N = Normal, M = Monitor, A = Action |
Piston Pump Margin Pressure (Hydraulic Fan) - Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Margin Pressure (High Idle) | |
(1) | N = Normal, M = Monitor, A = Action |
Quick Coupler Pressure- Test
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Quick Coupler Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
S·O·S Samples
Reference: Refer to Operation and Maintenance Manual, M0067704, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.
Status(1) | Description | Obtain | Comments | |
---|---|---|---|---|
Engine Oil Sample | ||||
Engine Coolant Sample (Level II) | ||||
Hydraulic Oil Sample | ||||
Transmission Oil Sample | ||||
Front Right Final Drive Oil Sample | ||||
Front Left Final Drive Oil Sample | ||||
Rear Right Final Drive Oil Sample | ||||
Rear Left Final Drive Oil Sample | ||||
Front Axle/Diff Oil Sample | ||||
Center Axle/Diff Oil Sample | ||||
Rear Axle/Diff Oil Sample | ||||
Transfer Case Oil Sample | ||||
Brake Fluid Oil Sample | ||||
Power Steering Oil Sample |
(1) | N = Normal, M = Monitor, A = Action |