Hitachi ZW 310-6 Operator's Manual page 312

Wheel loader
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Procedures
d
WARNING:
 Once the parking brake is released, the machine
becomes impossible to stop with the parking brake
system.
 Wedge wheel stoppers to all tires to prevent the
machine from moving.
 Before restarting to operate the machine, consult
your nearest authorized dealer to have the parking
brake adjusted.
1. Rotate bolts (1, 6) counterclockwise and remove the
parking brake cap.
2. Remove lock plates (2, 5) from set bolts (3, 4).
3. Press in bolts (3, 4) until they reach the screwed part of
piston (7).
4. Tighten bolts (3)(4) alternatively and evenly until the
brake discs become free by removing piston (7) apart
from the brake discs.
5. Rotate bolts (11, 16) counterclockwise and remove the
parking brake cap.
6. Remove lock plates (12, 15) from set bolts (13, 14).
7. Press in bolts (13, 14) until they reach the screwed part of
piston (17).
8. Tighten bolts (13)(14) alternatively and evenly until the
brake discs become free by removing piston (17) apart
from the brake discs.
TRANSPORTING
6-8
90Z7-6-8-1EU
90Z7-6-8-2JPUS
90Z7-6-8-3EU

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