TUBE ASSEM. 6S4135 - Caterpillar

1. Assemble the Ahead Clutch Shaft with roller bearing and transfer gear according to the Service Manual.2. Install 7H7529 Nut, 4K684 Washer, FT1506 Plate (with the step toward the shaft), the tapered bearings, FT1508 Spacer (with the counterbore toward the bearings), 5P2998 Hydraulic Puller, 4K684 Washer, 3K9770 Nut, and 9S5558 Stud on the Ahead Clutch Shaft as shown.3. Push the bearings onto the shaft until they make contact with the transfer gear.4. Remove the tooling and install the spanner nut.5. Use 6V3132 Spanner Wrench (6V3134 Spanner Wrench) to tighten the nut to a minimum torque of 680 N m (500 lb ft).
Illustration 1. Spanner wrenches for use on 7231 and 7241 Marine Transmissions.6. Assemble the Astern Drive Shaft with the Ahead Clutch Shaft Assembly and transfer gear according to the Service Manual.7. Assemble two 9S5558 Studs together with 5P8623 Coupler.8. Install 3K9770 Nut, 4K684 Washer, FT1506 Plate (with the step toward the shaft), the tapered bearings, FT1512 Spacer (with the counterbore toward the bearings), 5P2998 Hydraulic Puller; 4K684 Washer, and 9S5558 Stud Assembly on the shaft assembly as shown.
Illustration 2. FT1512 Spacer.
Illustration 3. FT1506 Plate.
Illustration 4. FT1508 Spacer.
Illustration 5. FT1510 Spacer.
Illustration 6. 7231 Marine Transmission Ahead Clutch Shaft.9. Push the bearings onto the shaft until they make contact with the transfer gear.10. Remove the tools and install the spanner nut.11. Use 6V3135 Spanner Wrench (6V3133 Spanner Wrench) to tighten the nut to a minimum torque of 680 N m (500 lb ft).Drawings of FT1506, FT1508, FT1510, and FT1512 are available from your Division Service Manager.
Illustration 7. 7231 Marine Transmission Astern Drive Shaft with Ahead Clutch Shaft.