Doosan DE08TS Disassembly/Assembly page 54

IEED003S
4. Remove valve guide (5) using tool (C).
5. Do steps 1 through 4 again for the remainer of the
valves.
6. Carefully remove carbon from lower face of
cylinder head to prevent scratching of valve seat
faces.
7. Replace valve (4) with valve guide if reduction in
diameter of the valve stem due to wear, is beyond
the below specified limit.
Description Nominal
Intake Valve 8.95�8.97
Exhaust Valve 8.935�8.955
DE08TS Diesel Engine
5
8. Check the spring force with tool (B) and replace
4
Assemble Cylinder Head
A17429-08
IEED004S
Limit for use
8.93
8.91
1. Install valve guide (5) with tool (C) in the cylinder
52 of 76
B
3
IEED107P
springs (3) if measured valve is beyond the below
limit.
Spring Set
Description
Length(mm)
Intake Valve 41
Outer 41
Exhaust
Valve
Inner 38
Tools Needed
Valve Compressor
Valve Keeper Inserter
Valve Guide Installer
Stem Seal Installer
IEED003S
head.
Disassembly and Assembly
Limit for
Nominal(kg)
Use(kg)
65.5�73.5 65.5
62.7�63.9 62.7
27.2�30.0 27.2
A B C D
1
1
1
1
5