Specifications

Operational Checkout
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BRAKE SYSTEM
LEAKAGE CHECK
T7773BI1 –UN–05AUG92 T7747AF1 –UN–24AUG92
Start engine and wait 30 seconds.
Stop engine.
Wait 2 minutes.
Turn key switch to ON and wait 5 seconds.
LOOK: Brake low pressure warning light MUST NOT come ON within 2 minutes after
stopping engine.
OK: Go to next check
NOT OK: Go to your
authorized dealer.
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SERVICE BRAKE PEDAL
CHECK
Engine OFF.
Slowly depress each brake pedal one at a time.
Listen for a hissing noise that indicates oil is flowing to brake pistons.
LISTEN & FEEL: A hissing noise must be heard when pedal is depressed
approximately 6 mm (1/4 in.)
OK: Go to next check
NOT OK: Inspect for
debris under brake pedal.
Inspect clutch cut-off
linkage.
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SERVICE AND PARK
BRAKE SYSTEM DRAG
CHECKS
Engine running.
T6522CH –UN–19OCT88
Position machine on a gradual slope.
Lower bucket approximately 50 mm (2 in.) from ground.
Release park and service brakes.
LOOK: Machine must move or coast.
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: Observe park brake. If disk is hot, park brake
drag is indicated.
OK: Go to next check
NOT OK: Adjust park
brake. See Adjusting Park
Brake in Maintenance
chapter.
95–13
PN=221