4-36
Item
Description
Service action
S e r v i c e b r a ke p e d a l
S e r v i c e b r a ke p e d a l
check
check
Slowly depress brake pedal.
Listen for a hissing noise that
indicates oil is flowing to brake
pistons.
LISTEN/FEEL
LISTEN/FEEL : A hissing noise
must be heard when pedal is
depressed.
OK
OK
Check completed.
NOT OK
NOT OK
Inspect for debris under
brake pedal.
S e r v i c e a n d p a r k i n g
S e r v i c e a n d p a r k i n g
b r a k e s y s t e m d r a g
b r a k e s y s t e m d r a g
checks
checks
Engine running
Position machine on gradual slope.
Lower bucket approximately 50 mm
(2 in) from ground.
Release parking and ser vice
brakes.
LOOK
LOOK : Machine must move or
coast.
NOTE
NOTE : If machine does not move,
check brake pedals to be sure they
fully release when feet are removed
from pedals.
Drive machine at high speed for
about 5 minutes.
Brake drag is indicated if brake
areas in differential case are hot.
NOTE
NOTE : Observe parking brake.
If disk is hot, parking brake drag is
indicated.
OK
OK
Check completed.
NOT OK
NOT OK
Adjust park brake.
NOT OK
NOT OK
Check floor mat interfer-
ence to pedal or debris
build-up.
IF OK
IF OK
Check for brake pressure
when brake is released.
Go to brake pressure test.
Clutch cut-off check
Clutch cut-off check
Select clutch cut-off mode to L
mode.
Release parking brake.
Run engine at half speed in 1st
forward.
Firmly depress brake pedal.
F E E L
F E E L : Tr a n s m i s s i o n m u s t
disengage when brake pedal is
depressed at 30% of pedal stroke.
NOTE
NOTE : Clutch cut-off mode can be
selected to operator preference to
match your loading needs.
OK
OK
Check completed.
NOT OK
NOT OK
Adjust clutch cut-off mode.
Release
ON
P
L mode
Summary of Contents for HL955
Page 557: ...7 6 MEMORANDUM MEMORANDUM ...
