<Guide for valve clearance adjustment>
•
After letting the #1 cylinder’s piston come at the compression top dead center by turning the
crankshaft, adjust the valve clearances.
•
Loosen the lock nuts of rocker arm adjusting screws and push the feeler gauge of specified
value between a rocker arm and a valve stem and adjust the clearance with adjusting screw
respectively and then tighten with the lock nut.
•
As for the valve clearance, adjust it when in cold, as follow.
- By cranking the engine, let #6 cylinder’s valves overlap.
- In time, adjust the valve clearance corresponding to ““ of lower figure.
- Rotating the crankshaft by one revolution, #6 cylinder become the compression state of top
dead center.
- Adjust the valve clearance corresponding to ““ of lower figure.
- After reinsuring the valve clearances, retighten if necessary.
•
No. 1 Cylinder is located at the side where flywheel was installed.
•
Adjust valve clearance with a feeler
gauge and tighten the fixing nuts to
specified torque.
- 90 -
REASSEMBLY
Model
DE12T
DE12TI
DE12TIA
DE12TIS
0.3 mm 0.3 mm
Intake Valve Exhaust Valve