4-8
GROUP 3 TESTS AND ADJUSTMENTS
1. AIR BLEEDING OF BRAKE SYSTEM
Air bleeding should be performed by two
persons :
One rides on truck for depressing and
releasing brake pedal : the other person is
on the ground and removes cap from air
vent plug on wheel cylinder.
Block the front wheel securely and apply
parking brake.
Start the engine.
Attach a vinyl tube to air vent plug and
immerse other end of tube into a vessel
filled with hydraulic oil.
Loosen air vent plug by turning it 3/4 with a
wrench. Depress brake pedal to drain oil
mixed with air bubbles from plug hole.
Depress brake pedal until no air bubbles
come out of air vent plug hole.
After completion of air bleeding, securely
tighten air vent plug. Install cap on plug.
1)
2)
3)
4)
5)
6)
7)
15L7ABS09
2. ADJUSTMENT OF PEDAL
BRAKE PEDAL
Pedal height from floor plate
Adjust with stopper bolt.
Â
Pedal height : 160
mm
(6.3
in
)
Play
Adjust with rod of master cylinder.
Â
Play : 1~3
mm
(0.04~0.1
in
)
11)
(1)
(2)
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