SENSOR-OXYGEN 3949022 - Caterpillar

Illustration 49 g00671100
Remove the hoist from Tooling (N) and attach four chains and a hoist to the upper half of Tooling (P) .
Remove the upper half of Tooling (P) . The weight of the upper half is 816 kg (1800 lb).
Illustration 50 g00671109
Install Tooling (N) and place adapter ring (48) and the final drive onto the lower half of Tooling (P) . The weight of the final drive, adapter ring (48) , and Tooling (M) is 522 kg (1150 lb).
Fasten the final drive onto the lower half of Tooling (P) . Use eight 1 - 8THDX3.5 inch bolts (50) and eight 1 - 8THD nuts with washers.
Remove Tooling (N) and the hoist.
Illustration 51 g00671117
Place Tooling (Q) into the final drive.
Fasten a hoist to the upper half of Tooling (P) and install the upper half of Tooling (P) to the lower half of Tooling (P) . Pin the two halves together.
Illustration 52 g00672359
Attach Tooling (R) to the pressure reducing valve manifold, as shown.
Set the torque level for the bench to 2000 psi (14500 lb ft). Do not exceed this pressure. ReferenceRefer to the Tool Operating Manual, NEHS0673 for setting the torque level.
Illustration 53 g00671120
(51) 128-4075 Shaft As
Place hex shaft (51) through the bench and into Tooling (Q) .
Remove locknut (46) . The breakaway torque will vary. The nut will loosen usually at 1400 psi (10750 lb ft).
Fasten a hoist to the upper half of Tooling (P) .
Remove the upper half of Tooling (P) .Disassembly Procedure for the Main Housing and the Motor Housing
Illustration 54 g00674023
Fasten Tooling (N) and a hoist to main housing (52) , as shown.
Separate the main housing (52) from the motor housing (53) . The weight of the main housing is 204 kg (450 lb).Note: Two outer races and one roller bearing will be removed with the main housing. The other roller bearing and the two Duo-cone seal kits will remain with the motor housing.
Disassemble motor housing (53) , as follows.
Illustration 55 g00674036
Use two screwdrivers and remove bearing (54) from the motor housing.
Remove the Duo-cone seal kit (55) from the motor housing.
Illustration 56 g00674039
Remove the two backup rings and O-ring seal (56) from the motor housing.
Remove the other Duo-cone seal kit (57) from the motor housing.
Disassemble the main housing (52) , as follows.
Illustration 57 g00675939
Remove bearing (58) from the main housing (52) .
Illustration 58 g00675961
Turn main housing (52) over 180 degrees, as shown.
Remove bolts (59) .
Install Tooling (A) and a hoist to housing (61) .
Separate housing (61) from ring gear (60) .
Illustration 59 g00676750
Remove race (62) with a brass punch and a hammer.
Rotate housing (61) over 180 degrees.
Illustration 60 g00676000
Remove race (63) from housing (61) .
Remove O-ring seal (64) from housing (61) .