
5-2
ADJUSTMENTS, BENCH TEST, PERFORMANCE TESTS
1.2 Fuel System Bleeding
(1) Fuel filter
(a) Loosen the air vent plug of the fuel filter by 1.5 full
turns.
(b) Turn the cap of the priming pump counterclockwise
to unlatch. Move the priming pump cap up and
down.
(c) When fuel flowing from the plug hole contains no
air bubbles, close the plug.
(2) Fuel injection pump
(a) Loosen the air vent plug of the fuel injection pump
by 1.5 full turns.
(b) Move the priming pump cap up and down.
(c) When fuel flowing from the plug hole contains no
air bubbles, depress the priming pump cap and turn
clockwise to lock in place.
(d) Close the plug.
NOTE
Cover the plug with a cloth to prevent fuel from
splashing.
NOTE
Cover the plug with a cloth to prevent fuel from
splashing.
NOTE
Do not close the air vent plug before locking the
priming pump cap in place, otherwise internal pressure
prevents the priming pump cap from returning to the
original position.
Air vent plug
Priming pump
Air vent plug
Bleeding fuel system