Sakai SW800 Series, Руководство по ремонту

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Inspection & Adjustment
2-4. Measurement and adjustment of vibrator circuit pressure
Park on level ground. Apply the parking
brake. Stop the engine and block the
wheels.
1. Measurement
★ Hydraulic oil temperature: 50±5°C (122±41°F)
1-1. Main relief valve
1) Remove plugs (1) and (2) from the vibrator
pump motor and attach a pressure gauge
with adapter
① .
• Gauge port (1): Front
• Gauge port (2): Rear
• Pressure gauge:
0 ~ 40 MPa (0 ~ 400 kgf/cm
2
) {0 ~ 6000 psi}
2) Disconnect hose (3) running from frequen-
cy select valve to vibrator motor. Plug the
end of hose to block the line.
★
Plug the open port of the motor.
3) Operate the frequency selector switch and
amplitude selector switch to select MEDI-
UM FREQUENCY and LOW AMPLITUDE
respectively. For the machines falling
into the following machine numbers,
select CONT mode by means of
CONT/AUTO selector switch. SW800:
From Machine No. 10123 SW850: From
Machine No.10127.
4) Start the engine and set the throttle to high
idle.
5) Operate the vibrator by pressing the vibra-
tor switch on top of the F-R lever. Measure
the main relief pressure.
★ Take the reading and shut down the
vibrator as quickly as practicable.
★ The procedure (Starting the vibrator
➡
Pressure measurement
➡
Shutting
down the vibrator) should not exceed
3 seconds.
SW8003016
1 2
SV5003003
①
SW8003004
3
3