Brake System; Check Right And Left Brake Interlocking Performance; Check Parking Brake Force - Hitachi ZW180 Operator's Manual

I. Brake System
1
Check Right and Left Brake Interlocking Perfor-
mance --- every 10 hours (daily)
WARNING: Put up a no admission notice for the range
of 100 m ahead in the forward machine travel direc-
tion. Arrange a safety monitor person.
While stepping on brake pedal (1), check the pedal movement,
the brake performance, and the play in the pedal stroke for any
abnormality.
Check brake performance
The machine must be stopped within 5 m range after the
brake is applied while driving at the speed of 20 km/h on a
flat dry paved surface road.
Check play in brake pedal stroke
Measure the pedal stroke at pedal tip (2) by pressing the
pedal with hand until the hand feels an intermittent repul-
sion from the pedal.
Correct play (2): 12 mm to 20 mm
If the play is outside the specified range, consult your near-
est Hitachi dealer. In case abnormal pedal operation and/or
performance is noticed, consult your nearest Hitachi dealer.
Get the machine checked and repaired.
2
Check Parking Brake Force --- every 10 hours (daily)
WARNING: Check the machine in a place where no
person is present around or ahead the drive direction.
Keep bystanders away from the machine.
Park the machine with no load applied on a 15° inclining dry
surface slope. The machine must not move with the parking
brake switch (4) ON. Should the machine move during inspec-
tion, consult your nearest Hitachi dealer. Get the brake system
checked and repaired.
MAINTENANCE
7-82
1
2
M4GB-07-098
1
M4GB-07-099
4
M4GB-01-046