4C20 Gasoline Engine Repair Manual
1. Prepare three containers and pour approximately 5 liters
of engine oil into each. Mount the valve clearance
adjuster vertically and add enough oil to cover the
adjuster. Then do the following.
ÿ If heavily soiled, use a nylon
2. Immerse the valve clearance adjuster in pail A and clean
the outer surface.
Note:
brush.
4. Remove the hydraulic compensator from the container,
slowly press the steel ball and plunger to remove engine
oil from the high pressure chamber.
Note:
ÿ Avoid contamination of the valve lifter
ÿ The spring holding the steel ball exerts little force, so
pressing hard with the steel wire may cause the valve
clearance adjuster to malfunction.
clearance from dust and other contaminants.
ÿ Do not disassemble the hydraulic valve clearance adjuster.
ÿ Use to clean the valve lifter
3. Use 0.5mm diameter steel wire and slowly push the steel
ball 5-10 times to drive the plunger. Continue the above
steps until the plunger starts to move smoothly. This will
help remove the viscous and dirty oil from the plunger.
gap only clean engine oil.
ÿ The valve clearance adjuster must be replaced if the
plunger is still difficult to move.
ÿÿ
Valve clearance hydraulic compensator repair
76
steel wire
oil
steel wire
oil
Engine oil
Motor
Motor
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