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Maintenance: Fuel System
Injection timing inspection
The injection timing is indicated on the caution plate
attached to the No. 1 rocker cover. Check it before
inspection. Bring the piston for No. 1 cylinder to top
dead center on compression stroke as follows:
1. Turn the engine in the normal direction to align the
timing mark [1 .6] on the damper with the pointer
as shown.
2. Remove the No. 1 rocker cover and make sure
the inlet and exhaust valves for No. 1 cylinder
have some clearance. If these valves have no
clearance, turn the engine once again to align the
timing mark [1 .6].
NOTE! Do not confuse the No. 1 cylinder with No. 6.
When the piston for the No. 1 cylinder is in the above-
mentioned position, its inlet and exhaust valve are se-
ated, presenting some clearance.
3. Turn back the engine approximately 60 degrees,
and turn it in the normal direction slowly until the
specified timing (indicated on the caution plate)
aligns with the pointer.
4. To ensure proper injection timing, make sure that
the timing mark (1) on the fuel pump flywheel
aligns with the pointer (2) on the fuel injection
pump.
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