SHAFT-DRIVE 9T1259 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system to a level below the exhaust bypass valve into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g01360694
Disconnect hose assembly (2), hose assembly (3), and hose assembly (4).
Loosen clamp assemblies (8) for adapter (7) for exhaust bypass valve (1), if necessary. Disconnect bellows assemblies (9).
Remove bolts (6) and adapter (7) for exhaust bypass valve (1), if necessary.
Remove locknuts (5), exhaust bypass valve (1), and the gasket from the exhaust elbow.
Remove the studs for exhaust bypass valve (1), if necessary. Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5P-3931 Anti-Seize Compound -
B 2P-2333 High Temperature Sealer -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01360694
If the studs for exhaust bypass valve (1) are installed, tighten the studs to a torque of 35 5 N m (26 4 lb ft).
Apply Tooling (B) to the threads of the studs and to the mating face of the locknuts. Position the new gasket and exhaust bypass valve (1) on the exhaust elbow. Install new locknuts (5). Tighten locknuts (5) according to the following procedure.
Tighten two diagonal locknuts to a torque of 25 6 N m (18 4 lb ft).
Tighten the remaining locknuts to a torque of 25 6 N m (18 4 lb ft).
Tighten all four locknuts to a torque of 47 9 N m (35 7 lb ft). Note: Ensure that the rear lifting eye is out of the way when the adapter for the exhaust bypass valve is installed.
If necessary, install adapter (7) for exhaust bypass valve (1). Install bolts (6). Tighten bolts (6) to a torque of 55 5 N m (41 4 lb ft).
If necessary, apply Tooling (A) to the threads, the bearing surfaces, and the inner surface of clamp assemblies (8) for adapter (7) for exhaust bypass valve (1). Connect bellows assemblies (9) and install clamp assemblies (8). Tighten clamp assemblies (8) to a torque of 25 6 N m (18 4 lb ft). Lightly tap around the diameter of the clamp assemblies with a soft hammer. Tighten clamp assemblies (8) to a torque of 25 6 N m (18 4 lb ft).
Connect hose assembly (4), hose assembly (3), and hose assembly (2).
Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".