Service Repair Manual
Models
311D LRR Excavator
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Product: EXCAVATOR
Model: 311D LRR EXCAVATOR CLA
Configuration: 311D LRR Excavator CLA00001-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
i02767800
Inlet and Exhaust Valves - Remove and Install
SMCS - 1105-010
Removal Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
8S-6691
Cylinder Head Repair Stand
1
B
9U-6195
Valve Spring Compressor Gp
1
C
5P-1720
Seal Pick
1
Start By:
A. Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head -
Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Note the location and orientation of all components for assembly purposes.
1. Clean the bottom face of the cylinder head. Check the depth of the valves below the face of
the cylinder head before the valve springs are removed. Refer to Specifications, "Cylinder
Head Valves" for the correct dimensions.
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2. Place a temporary identification mark on the heads of the valves in order to identify the
correct position.
Illustration 1
g01376164
Typical Example
3. Use a suitable lifting device in order to position cylinder head (1) onto Tooling (A) with the
valve springs upward. The weight of cylinder head (1) is approximately 70 kg (155 lb).
Note: Ensure that cylinder head (1) is kept on a clean, soft surface in order to prevent
damage to the machined face.
Illustration 2
g01376174
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311D LRR Excavator CLA00001-UP (MACHINE) POWERED BY C4.2 Engine(SEB...
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Illustration 3
g01376184
Pe