Engine - Adjust; Valve Bridge And Adjusting Screw - Check; Fuel System - Bleed Air; Fuel Filter (Wire Mesh Element Spec) - Bleed Air - Mitsubishi S12A2 Service Manual

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

(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.
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.
1.4.1 Fuel Filter (Wire Mesh Element Spec) - Bleed
air
If the air vent plugs, threads of bracket or sealing
washers are damaged, replace them with new ones.
(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.
Chapter 13 ADJUSTMENT AND OPERATION
[Unlock] [Prime]
Move cap
Turn counterclockwise
up and down
Priming Pump - Operate
Priming pump
cap

Fuel Filter (Wire Mesh Element Spec) - Bleed air

Chapter 13 ADJUSTMENT AND OPERATION
[Lock]
Turn clockwise
while pressing
Air vent plug
13-3