Daewoo ST Series Instructions d'exploitation Page 43

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4.8. Cylinder
4.8.1. Valve clearance adjustment
Usually should check the valve clearance of intake & exhaust every 1,000 hours after engine
operation. Refer to "6.3.26. Valve clearance adjustment" details.
The valve clearances should be adjusted at the times of the following situations.
After initial 50 hours operation.
When the engine is overhauled and the cylinder heads are disassembled.
When severe noise comes from valve train.
- When the engine is not normally operated, even though there is no trouble in the fuel
system.
4.8.2. Cylinder compression pressure
check
Stop the engine after warming up, and
take out nozzle holder assembly.
Install the special tool (compression
gauge adapter) at the nozzle holder
hole, and connect the compression
pressure gauge there.
*
Test Condition
Cooling water temperature 20°C, Engine rotation 200rpm (about 10 revolutions)
- 40 -
EB4O403L
Standard value 24 ~ 28kg/cm
2
Limit value 24kg/cm
2
or less
Difference between
each cylinder
Within
±
10 %
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