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Inspection and Adjustment
2-4. Measurement of brake release pressure
1. Measurement
・
Hydraulic oil temperature: 50
±
5 °C
Park the machine on level surface. Stop
the engine and block the wheels.
★
Make certain that, prior to measuement,
the steering system functions correctly, as
oil is supplied from the steering circuit.
1) Disconnect hoses (1) to (4) in the brake
release line from the relevant propulsion
motors. Attach a pressure gauge with
adapter
r.
・
Pressure gauge: 0-4.9 MPa (0-50 kgf/cm
2
)
2) Making sure that the F-R lever is in the
neutral position, start the engine and put
the throttle lever in the high idle position.
3) Take the gauge reading with the parking
brake switch set to the RELEASE position.
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