Service Repair Manual
Models
320, 320L and 320N
TRACK-TYPE EXCAVATOR
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Product: EXCAVATOR
Model: 320-A EXCAVATOR 2DL
Configuration: 320, 320L & 320N TRACK-TYPE EXCAVATORS 2DL00214-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
i01150941
Inlet and Exhaust Valve Seals - Remove and Install
SMCS - 1104-010-SA
Removal Procedure
Table 1
Required Tools
Tool
Part Number
Part Description
Qty
A
5P-1720
Seal Pick
1
Start By:
A. Remove the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
Exhaust Valves - 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
g00610601
Illustration 2
g00610605
1. Use Tool (A) to remove valve stem seal (1) from the inlet and exhaust valve guide.
Illustration 1 shows the removal of the valve stem seal, when the valve guide (2) is removed
from cylinder head (4) .
Illustration 2 shows the removal of the valve stem seal, while the valve guide (2) is installed
in cylinder head (4) .
Installation Procedure
Table 2
Required Tools
Tool
Part Number
Part Description
Qty
A
5P-1720
Seal Pick
1
NOTICE
Keep all parts clean from contaminants.
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Contaminants may cause rapid wear and shortened component life.
Note: Do not apply any oil or sealant to the mating surface of the valve seal that comes into
contact with the valve guide. When the valve seal is installed, coat the surface of the valve stem
with engine oil in order to ensure initial lubrication of the seal lip.
Illustration 3
g00610601
Illustration 4
g00610605
1. Place the new valve stem seal in position on the valve guide