Service Repair Manual
Model
320C U and 320C LU 320CLU Excavator
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Product: EXCAVATOR
Model: 320C EXCAVATOR PAC
Configuration: 320C U & 320C LU Excavators PAC00001-UP (MACHINE) POWERED BY 3066 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
i05421135
Flywheel Housing - Remove and Install
SMCS - 1157-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
138-7575
Link Bracket
1
B
1P-0510
Driver Group
1
Start By:
A. Remove the electric starting motor.
B. Remove the flywheel and ring gear.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1/3(W)
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Illustration 1
g00605593
1. Install Tooling (A) , a strap, and a suitable lifting device onto flywheel housing (2) .
2. Remove bolts (1) and the washers that secure flywheel housing (2) to the cylinder block.
Note: Identify the four shorter bolts for later installation into the flywheel housing.
3. Remove flywheel housing (2) . The weight of the flywheel is approximately.29 kg (65 lb).
4. Check oil seal (3) for serviceability. If necessary, replace the oil seal and crankshaft wear
sleeve.
Illustration 2
g00605601
5. Use Tooling (B) in order to remove the oil seal (3) (not shown).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A
138-7575
Link Bracket
1
2/3(W)
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B
9U-6170
Installer Gp
1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 3
g00605593
1. Clean old gasket material (4) from the mating surfaces of the cylinder block and the
flywheel housin