13-3
Chapter 13 ADJUSTMENT AND OPERATION
Chapter 13 ADJUSTMENT AND OPERATION
1. Engine - Adjust
1.1 Valve Bridge and Adjusting Screw - Check
Check the adjustment of valve bridge and adjusting screw.If
it is not adjusted, adjust it to the standard value.
For the adjusting procedure, refer to "Valve Bridge and
Adjusting Screw - Adjust" of "ASSEMBLY OF BASIC
ENGINE."
1.2 Valve Clearance - Check
Check the valve clearance.
If it is not adjusted, adjust it to the standard value.
For the adjusting procedures, refer to "Valve Clearance -
Inspect and Adjust" of "ASSEMBLY OF BASIC
ENGINE. "
1.3 Fuel Injection Timing - Check
Check the fuel injection timing.
If it is not adjusted, adjust the timing to the specified value.
For the adjusting procedures, refer to "Fuel Injection Timing
- Check and Adjust" of "ASSEMBLY OF BASIC
ENGINE. "
1.4 Fuel System - Bleed Air
To bleed air from fuel system, start air bleeding at the place
nearest to fuel tank, from fuel filter to injection pump, while
feeding fuel with priming pump.
Priming Pump - Operate
1.4.1 Fuel Filter (Wire Mesh Element Spec) - Bleed
air
(1) Loosen the air vent plug of fuel filter by approx 1.5
turns.
(2) Feed fuel by moving the priming pump up and down.
(3) When fuel flowing from vent holes no longer contains
air bubbles, tighten the air vent plugs to the specified
torque.
Fuel Filter (Wire Mesh Element Spec) - Bleed air
(a) Thoroughly wipe off fuel spilled out of air vent plug
to prevent a fire.
(b) After air bleeding, ensure the lock of priming pump
cap.If locking is insufficient, it could cause damage
to the priming pump and result in fuel leak and a
fire.
[Unlock] [Prime] [Lock]
Turn counterclockwise
Move cap
up and down
Turn clockwise
while pressing
If the air vent plugs, threads of bracket or sealing
washers are damaged, replace them with new ones.
Air vent plug
Priming pump
cap
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