Pilot Control Actuator
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992G Wheel Loader Electrohydraulic System
[SENR1366]
992G Wheel Loader Electrohydraulic System
Hydraulic Tank (Implement, Hydraulic Fan)
992G Wheel Loader Electrohydraulic System
Pressure Sensor (Implement Pilot Oil)
HYDRAULIC SYSTEM
ACTUATOR GP
992G Wheel Loader Electrohydraulic System
Pilot Control Actuator
1.1. 118-5081 Pilot Control Actuator
2.1. 179-8248 Pilot Control Actuator and 180-9550 Pilot Control Actuator
118-5081 Pilot Control Actuator
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Illustration 1 | g01049998 |
(1) Torque for the four bolts ...
(2) 118-5086 Spring
- Length under test force ...
55 mm (2.2 inch) - Test force ...
438 ± 35 N (98 ± 8 lb) - Free length after test ...
76.2 mm (3.00 inch) - Outside diameter ...
49.2 mm (1.94 inch) - Test force ...
(3) 118-5087 Spring
- Length under test force ...
50 mm (1.9 inch) - Test force ...
243 ± 19 N (55 ± 4 lb) - Free length after test ...
63.5 mm (2.50 inch) - Outside diameter ...
35.56 mm (1.400 inch) - Test force ...
(4) 121-2051 Spring
- Length under test force ...
46 mm (1.8 inch) - Test force ...
21.0 ± 0.63 N (4.72 ± .142 lb) - Free length after test ...
53.53 mm (2.108 inch) - Outside diameter ...
15.24 mm (.600 inch) - Test force ...
(5) 121-2052 Spring
- Length under test force ...
8.0 mm (.32 inch) - Test force ...
17.72 ± 0.53 N (3.984 ± .119 lb) - Free length after test ...
12.7 mm (.50 inch) - Outside diameter ...
10.312 mm (.4060 inch) - Test force ...
179-8248 Pilot Control Actuator and 180-9550 Pilot Control Actuator
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Illustration 2 | g01049996 |
(6) Torque at installation ...
Note: Excessive tightening may cause improper operation or failure of the pilot control actuator.
(7) 177-1405 Spring
- Free length ...
12.29 mm (0.484 inch) - Outside diameter ...
9.30 mm (0.366 inch) - Assembled length ...
8.20 mm (0.323 inch) - Load at assembly ...
18.41 ± 0.55 N (4.139 ± 0.124 lb) - Outside diameter ...
(8) 177-1403 Spring
- Free length ...
53.92 mm (2.123 inch) - Outside diameter ...
15.24 mm (0.600 inch) - Assembled length ...
46.00 mm (1.811 inch) - Load at assembly ...
21.00 ± 0.63 N (4.721 ± 0.142 lb) - Outside diameter ...
(9) 118-5086 Spring
- Free length ...
76.2 mm (3 inch) - Outside diameter ...
49.2 mm (1.934 inch) - Assembled length ...
55 mm (2.17 inch) - Load at assembly ...
438 ± 35 N (98.5 ± 7.9 lb) - Outside diameter ...
(10) 118-5087 Spring
- Free length ...
63.5 mm (2.50 inch) - Outside diameter ...
35.56 mm (1.400 inch) - Assembled length ...
50 mm (1.97 inch) - Load at assembly ...
243 ± 19 N (54.63 ± 4.27 lb) - Outside diameter ...
148-2350 Coil
- Nominal voltage ... 24 VDC
- Current draw at
100 °C (212°F) winding temperature ... 1.9 Amperes- Coil resistance at
25°C (75°F) ... 5.0 ± .3 Ohms- Minimum temperature ...
−40 °C (−40 °F) - Maximum temperature ...
100 °C (212 °F) - Current draw at
Information System:
928G Wheel Loader
Starting Above 0°C (32°F)
928G Wheel Loader
Product Identification Number, Serial Number and EU's CE Plate Locations
928G Wheel Loader
Model View Illustrations
966G and 972G Wheel Loaders
Display Modules (Caterpillar Monitoring System)
928G Wheel Loader
Seat
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Heating and Air Conditioning Control
D6M Track-Type Tractor
Engine Air Filter Primary Element - Clean/Replace
928G Wheel Loader
Directional Turn Signal and Hazard Flasher Control
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Engine Air Filter Secondary Element - Replace
651E Wheel Tractor-Scraper
Electronic Monitoring System (EMS)
966G and 972G Wheel Loaders
Tilt Control
928G Wheel Loader
Light Switches
928G Wheel Loader
Starting Below 0°C (32°F) with Thermal Starting Aid
D6M Track-Type Tractor
Fuses - Replace
554 Forwarder and 574 Forwarder
Engine Starting with Jump Start Cables
992G Wheel Loader Electrohydraulic System
Pressure Sensor (Implement Pilot Oil)
D6M Track-Type Tractor
Walk-Around Inspection
938G Wheel Loader and IT38G Integrated Toolcarrier
Engine Starting with Auxiliary Start Receptacle - If Equipped
928G Wheel Loader
Secondary Steering
854G Wheel Dozer Hydraulic System
Hydraulic Tank (Steering, Brake)
928G Wheel Loader
Bulldozing and Dumping
IT62G Integrated Toolcarrier and 950G and 962G Wheel Loaders
Specifications
D6M Track-Type Tractor
Engine Oil Level - Check
IT62G Integrated Toolcarrier and 950G and 962G Wheel Loaders
Fuses - Replace