Service Repair Manual
Models
312C and 312C L Excavator
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Product: EXCAVATOR
Model: 312C EXCAVATOR BWH
Configuration: 312C & 312C L Excavators BWH00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10
Publication Date -01/05/2012
Date Updated -15/05/2012
i01567260
Flywheel - Install
SMCS - 1156-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
138-7575
Link Bracket
1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Always wear protective gloves when handling parts that have been
heated.
1. Perform the following procedure, if the ring gear was removed from the flywheel:
a. Heat the ring gear to 150 °C (302 °F) in an oven.
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b. Press the ring gear onto the flywheel.
Note: Prior to the installation of the flywheel, refer to Specifications, "Flywheel" for
information on checking the flywheel assembly for flatness.
Illustration 1
g00605504
2. Install Tool (A), a strap, and a suitable lifting device onto flywheel (6) .
3. Install flywheel (6). The weight of the flywheel is 50 kg (110 lb).
Illustration 2
g00605501
4. Install six bolts (5) in order to secure flywheel (6) onto the crankshaft. Tighten the bolts to a
torque of 83 ± 5 N·m (61 ± 4 lb ft).
5. Remove Tool (A) from the flywheel.
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Illustration 3
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6. Place the inner ring (4) in position on the flywheel.
7. Install four socket head bolts (3) in order to secure the inner ring (4) to the flywheel.
Illustration 4
g00605492
8. Place the adapter (2) in position on the flywheel housi