Caterpillar — Installation Of The Generator For Generator Sets That Are Not Equipped With A 3500 Engine
Installation
From a Caterpillar service manual covering: 3208, 3304, 3306B, 3406, 3408C, 3412, 3412C, 3508, 3512, 3516, D330, D333…. Check it applies to your exact model before use.
Applies to: Caterpillar 3208, Caterpillar 3304, Caterpillar 3306B, Caterpillar 3406, Caterpillar 3408C, Caterpillar 3412, Caterpillar 3412C, Caterpillar 3508, Caterpillar 3512, Caterpillar 3516
Before you start
- Damage to engine and generator can result if electric set is operated with a plate assembly that does not have proper clearance.
Procedure
- Remove dirt, burrs, paint from generator support and base contact surfaces; remove protective material from flywheel pilot bearing bore and coupling contact surface.
- Remove timing pointer cover; install indicator assembly on front of engine; tip contacts crankshaft pulley face.
- Position plate assembly in flywheel bore; check clearance between plate outside diameter and bore inside diameter.
- Install full shim pack and plate assembly on generator with bolts; tighten bolts to 525 + 45 N-m (390 + 30 lb ft).
- Install guide bolt in flywheel; put generator on engine; install bolts (9) and (10); tighten but do not bend locks under bolts (8).
- Use dial indicator to check crankshaft end play; if reading differs from initial, remove generator and enough shims to get original end play.
- Install generator again and check crankshaft end play; after correct shims, bend locks under bolts (8).
Tools required
- dial indicator Amazon
- indicator assembly Amazon
- bar Amazon
- torque wrench Amazon
- guide bolt Amazon
- crane Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 525 + 45 N-m (390 + 30 lb ft)
- crankshaft end play must be restored to original
Full service-parts list: Caterpillar 3208 →, Caterpillar 3304 →, Caterpillar 3406 →, Caterpillar 3408C →, Caterpillar 3412 →, Caterpillar 3412C →, Caterpillar 3508 →, Caterpillar 3512 →, Caterpillar 3516 →
Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.