4941978 SWITCH-LIMIT Caterpillar parts
Rating:
Alternative (cross code) number:
CA4941978
494-1978
4941978
CA4941978
494-1978
4941978
Weight: 0.16 pounds 0 kg.
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Information:
Attach a hoist and a suitable lifting sling to lifting eye (22), as shown.
Carefully lower transmission hydraulic control valve (9) into the transmission. The weight of the control valve is 52 kg (115 lb).
Align the control valve with four bolts (21). Do not tighten the bolts at this time.
Illustration 2 g00499623
Illustration 3 g00499621
Install two O-ring seals (19) on sleeve (20) .
Install sleeve (20) and pressure tap (18) in the transmission hydraulic control valve housing.
Illustration 4 g00499619
Illustration 5 g00499616
Install two O-ring seals (16) on sleeve (17) .
Install sleeve (17) and pressure tap (15) in the transmission hydraulic control valve housing.
Illustration 6 g00499614
Illustration 7 g00499613
Install O-ring seal (13) on sleeve (14) .
Install sleeve (14) and plug (12) in the transmission hydraulic control valve housing.
Illustration 8 g00499625
Install four bolts (21). Tighten the bolts to a torque of 48 4 N m (425 35 lb in).
Illustration 9 g00499606
Check the condition of the O-ring seals that are used on sleeves (11). If the seals are worn or damaged, use new parts for replacement.
Install two sleeves (11) in transmission hydraulic control valve (9) .
Install bolt (10) and the washer to secure sleeves (11) to the control valve. Ensure that the washer has engaged the notch in each of the sleeves.
Illustration 10 g00499605
If necessary, install a new gasket on cover assembly (2) .
Install electrical connector (7) through cover assembly (2) and lower the cover in position.
Illustration 11 g00499609
Check the condition of the O-ring seal on electrical connector (7). If the seal is worn or damaged, use a new part for replacement.
Position electrical connector (7) in cover assembly (2) with the notch in alignment.
Install nut (8). Tighten the nut to a torque of 9 1 N m (80 9 lb in).
Illustration 12 g00499603
Install four bolts (5) on top of cover assembly (2) .
Install the hose clip and bolt (6) .
Install sixteen bolts (3) to the lower flange of cover assembly (2) .
Align the pins of transmission control harness (4) and install the harness.
Illustration 13 g00808968
Move wire harnesses (1) into position near the transmission hydraulic control valve. Install the bolts which hold wire harnesses (1) in place.,, End By:
Fill the transmission to the correct level. Refer to Operation and Maintenance ManualSEBU7362"980G Series II Wheel Loader", "Transmission Oil Level - Check".
Install the air cleaner. Refer to Disassembly and AssemblyRENR4377"980G Series II Wheel Loader Engine Supplement", "Air Cleaner - Remove and Install" for the machine that is being serviced.
Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".
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