SHAFT-SUN GEAR 1915973 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 3
B 1U-9200 Lever Puller Hoist 1
C Loctite Graphite-50 Anti-Seize 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g02278073
Illustration 2 g02278373
Overhead view from the rear of the engine.
Illustration 3 g01148791
Torque Sequence
Install the gaskets, O-ring seals, and the spacer plate on the engine.
Attach Tooling (A) and a suitable lifting device to cylinder head (23). Attach Tooling (B) to the side of cylinder head (23) that is nearest the exhaust ports. The weight of cylinder head (23) is approximately 300 kg (661 lb). Repeat this step for the other side.
Position cylinder head (23) on the dowel pins in the cylinder block.Note: Apply Tooling (C) to the bolt threads and both sides of the washers. Tighten the bolts in the following step sequence:
Install ten bolts (26) and 16 bolts (25) according to the following procedure.
In a numerical sequence, tighten Bolt (1) through Bolt (26) to a torque of 270 15 N m (199 11 lb ft).
In a numerical sequence, tighten Bolt (1) through Bolt (26) to a torque of 450 15 N m (332 11 lb ft).
In a numerical sequence, again tighten Bolt (1) through Bolt (26) to a torque of 450 15 N m (332 11 lb ft).Note: Apply Tooling (C) to the bolt threads and both sides of the washers. Tighten the bolts in the following step sequence:
Install bolts (24). In a numerical sequence, tighten Bolt (27) through Bolt (39) to a torque of 45 7 N m (33 5 lb ft).
Illustration 4 g02279353
View looking through the window of the flywheel housing.
Lubricate the new O-ring seals and both sides of thrust washer (21) with clean engine oil. Install the O-ring seals onto the sealing plate. Position the sealing plate and thrust washer (21). Install bolts (20). Install adapter (22).Ensure that the O-ring seals remain in position on sealing plate during installation.
Illustration 5 g02278613
Illustration 6 g01151468
Torque Sequence
Position camshaft gear (19) and install bolts (18).
Tighten bolts (18) to a torque of 240 40 N m (177 30 lb ft). Tighten the bolts in the following sequence: 1, 4, 2, 5, 3, 6, 1, 4.
Illustration 7 g02279036
Lubricate the new O-ring seals with clean engine oil. Install new O-ring seals and sealing plate (15). Install bolts (14). Install adapter (16).Ensure that the O-ring seals remain in position on sealing plate (15) during installation.
Illustration 8 g02279013
Illustration 9 g01151441
Torque Sequence
Position damper (13) and install bolts (12). Tighten the bol