Mitsubishi S4Q User Manual page 33

ENGINE MAIN PARTS
Figure 37 Installing valve and valve spring
Figure 38 Installing valve and valve spring (high-
speed option)
Figure 39 Testing valve cotter installation
Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
Valve spring pusher
Valve spring
pusher
CYLINDER HEADS AND VALVE
2. Installing valve and valve spring
1) Put the valve spring and retainer on the valve
guide. Using valve spring pusher (30691
04500), compress the valve spring and install
the valve cotters to the valve.
CAUTION
Compressing the valve spring excessively will cause
the retainer to make contact and damage the stem
seal.
2) Tap the top of the valve with a soft faced
hammer several times to make sure the valve
spring and valve cotters are properly installed.
ENGLISH
MECHANISM
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