Hitachi ZW140-6 Operator's Manual page 249

Procedures
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WARNING:
 Once the parking brake is released, the machine
becomes impossible to stop with the brake system.
 Wedge wheel stoppers to all tires to prevent the
machine from moving.
 Before restarting to operate the machine, consult
your authorized dealer to have the parking brake
adjusted.
1. Remove plug (1) from brake cap (8).
2. Remove nut (3) while preventing oil from spilling out by
using waste cloth.
3. Loosen nut (2).
4. Remove connector (4). Install connector (4) to the hole of
plug (1). Install tube (5) to connector (4) and secure them
with nuts (2) and (3).
5. Remove orifice (9) from brake cap (8).
6. Remove release bolt (6) and flat washer (7).
7. Insert release bolt (6) and flat washer (7) into the hole of
orifice (9). Tighten release bolt (6).
8. When release bolt (6) touches brake cap (8), further
tighten release bolt (6) for 2 turns (approx. 2 to 3 mm
(0.08 to 0.12 in)). The parking brake will be released.
Wrench size: 17 mm, 22 mm, 27 mm
8 mm (Hexagonal wrench)
TRANSPORTING
3
6, 7
1
8
6, 7
6-9
4
3 4 5
1
2
5
M4FC-06-001
2
M4FC-06-002
9
M4FC-06-003
6, 7
8
M4FC-06-004