DIFFERENTIAL GP 8D9890 - Caterpillar

1. Remove water jacket temperature sending unit (1) from the regulator housing adapter. 2. Disconnect hoses (2) and (4) from the engine and disconnect hose (3) from the gauge panel. Remove clamp (5) from the gauge panel bracket. 3. Disconnect hose (6) from the oil cooler. 4. Disconnect wiring harness (11) from engine shutdown switch (9). 5. Remove four bolts (10) from supports (12) and remove gauge panel (8), brackets (7), supports (12) and switch (9) as a unit from the engine.6. Remove the nuts and remove brackets (7), supports (12) and shutdown switch (9) from the gauge panel. 7. Put identification marks on hoses (2), (4) and (6) for correct installation, and remove the hoses from the gauges. 8. Remove the nuts and brackets (14) to remove the four gauges (13) from the front of panel (8).Install Gauge Panel
1. Put the four gauges (1) in position in panel (2) and install brackets (3) and the nuts to hold the gauges in position. 2. Install hoses (4), (5) and (6) on the gauges. 3. Put brackets (7), supports (9) and engine shutdown switch (8) in position on the gauge panel and install the nuts to hold these in position. 4. Put gauge panel (2), brackets (7), supports (9) and the shutdown switch as a unit in position on the engine. Install the bolts to hold the unit in position. 5. Connect hose (5) to the oil cooler. 6. Install clamp (11) on the gauge panel bracket. Connect hose (10) to the gauge panel and connect hoses (4) and (6) to the engine. Make sure the capillary tube from sending unit (12) does not make direct contact with the engine. 7. Install water jacket temperature sending unit (12) in the regulator housing adapter.