PISTON AS 5516790 - Caterpillar

Installation Procedure
Table 1
TOOLS NEEDED    
Part Number     Tool     Quantity    
8S-2328     Dial Indicator Group     1    Note: The generator must not restrict the end play of the engine crankshaft. Damage to the generator and damage to the engine can occur.
Illustration 1 g00856163
(1) Tooling
Attach tooling (1) to the flywheel. Move the engine crankshaft all the way to the rear. Put the dial indicator of tooling (1) in the ZERO position. Move the crankshaft to the most forward position, and record the crankshaft end play.
Illustration 2 g00856166
(2) Shim Pack (3) Plate Assembly (4) Fan (5) Guide BoltsNote: All contact surfaces of the following components must be clean: the rotor, the shim pack, the coupling plates and the flywheel.
Attach a hoist to the generator. The point of attachment and the weight vary with the size of the generator. A strap must be used on smaller generators when a shackle is not provided.
Install two guide bolts (5) and place fan (4) loosely in the generator.Note: The number of plates and shims within plate assembly (3) varies with the generator set. The number of plates and shims within shim pack (2) varies with the generator set. Ensure that the correct quantity is installed.
Place shim pack (2) and coupling plates (3) on the rotor shaft. Install the bolts and tighten the bolts which fasten shim pack (2) to the rotor. Install the bolts and tighten the bolts which fasten coupling plates (3) to the rotor. Remove guide bolts (5). Replace guide bolts (5) with the bolts which fasten the shim pack (2) and coupling plates (3) .
Illustration 3 g00856167
(6) Guide Bolt
Install guide bolt (6) in the flywheel. Put the generator in position on the engine.
Illustration 4 g00856168
(7) Bolt (8) Bolt
Install the bolts and tighten bolts (8)