4-40
Safety lock bar
Air breather
Breather vent
A
Breather vent
E s c a p i n g f l u i d u n d e r p r e s s u r e c a n
E s c a p i n g f l u i d u n d e r p r e s s u r e c a n
penetrate the skin causing serious injury.
penetrate the skin causing serious injury.
Avoid the hazard by relieving pressure
Avoid the hazard by relieving pressure
before disconnecting hydraulic or other
before disconnecting hydraulic or other
lines. Tighten all connections before
lines. Tighten all connections before
applying pressure.
applying pressure.
Search for leaks with a piece of cardboard.
Search for leaks with a piece of cardboard.
P r o t e c t h a n d s a n d b o d y f r o m h i g h
P r o t e c t h a n d s a n d b o d y f r o m h i g h
pressure fluids.
pressure fluids.
I f a n a c c i d e n t o c c u r s, s e e a d o c t o r
immediately. Any fluid injected into the skin
must be surgically removed within a few
hours or gangrene may result.
Doctors unfamiliar with this type of injury
should reference a knowledgeable medical
source.
Two people are required to bleed brake
system oil, one to operate brake valve and
other to open and close bleed screws.
Install frame locking bar. Engage parking
brake.
Put a clear plastic tube on bleed screw to
route low to hydraulic oil tank filler tube or
container (A).
Start engine and run at low idle.
Push and hold brake pedal down until
brake bleeding procedure is complete.
If bubbles continue for more than 2
minutes, stop bleeding procedure.
Check for and correct problem, then
continue.
Open on bleed screw on differential and
axle assembly until hydraulic oil starts to
flow. Close bleed screw when oil is free of
air. Release brake pedal.
Repeat steps 1)~5) for each bleed screw.
Push either brake pedal and hold down.
Check hydraulic oil level.
1)
2)
3)
4)
※
5)
6)
7)
8)
※
3. HYDRAULIC BRAKE BLEEDING PROCEDURE
3. HYDRAULIC BRAKE BLEEDING PROCEDURE
760F4BS19
Summary of Contents for HL955
Page 557: ...7 6 MEMORANDUM MEMORANDUM ...
