Service Repair Manual
Models
312D L Excavator
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Product: EXCAVATOR
Model: 312D L EXCAVATOR SKA
Configuration: 312D L Excavator SKA00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04
Publication Date -01/06/2013
Date Updated -12/06/2013
i02743771
Flywheel - Remove
SMCS - 1156-011
Removal Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
138-7575
Link Bracket
1
B
Forcing bolts M16 - 2 by 120 mm
2
Start By:
a. Remove the crankshaft position sensor. Refer to Disassembly and Assembly, "Crankshaft
Position Sensor - Remove and Install".
b. Remove the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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Illustration 1
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1. Remove muffler brackets (1).
Illustration 2
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Illustration 3
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2. Remove bolts (2).
3. Install Tooling (A) and a suitable lifting device onto flywheel (3).
4. Use Tooling (B) in order to remove flywheel (3) out of the housing. The weight of flywheel
(3) is approximately 50 kg (110 lb).
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5. Perform the following procedure in order to remove the flywheel ring gear.
Illustration 4
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Typical Example
a. Place flywheel (3) and ring gear (4) on suitable cribbing.
Note: Mark the orientation of ring gear (4) on flywheel (3) for assembly purposes.
Always wear protective gloves when handling parts that have been
heated.
b. Raise the temperature of ring gear (4) uniformly.
c. Remove the ring gear (4) by tapping ring gear (4) all the way around flywheel (3).
d. Repos