Hitachi ZW140-6 Operator's Manual page 247

Hydraulic Circuit Bypass
The machine can be towed by loosening shuttle valve (1) in
an emergency.
d
CAUTION: When towing the machine at high
speed, components may be damaged by insufficient
lubrication due to heat generated from the
components. Use this towing method only in an
emergency when towing for short distance at vehicle
speed less than 3 km/h (1.86 mph).
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NOTE: Before towing the machine in an emergency, be sure
to forcibly release the parking brake. Refer to the page 6-8.
Procedure
IMPORTANT: Set the machine in position for inspection
and maintenance before starting work. Refer to the
page 7-7.
1. Turn the key OFF to stop the engine.
2. Loosen shuttle valve (1) until it contacts to stopper (2).
3. The bypass function will be enabled.
4. After finishing the machine towing, tighten shuttle valve
(1) to the original position.
Wrench size : 8 mm
Tightening torque : 50 N·m (5.0 kgf·m) (37 lbf·ft)
TRANSPORTING
6-7
1 2
TNDF-03-01-013