Takeuchi TB53FR, Руководство по ремонту

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TROUBLESHOOTING
OVERALL MACHINE
V-8
TB53FR
2. Inspect the fuse.
Inspect the fuse for the electric power circuit that
operates the pilot solenoid valve.
3. Inspect the limit switch.
Set the lever stand to the operation position to turn
on the limit switch. Check the voltage at the lever
lock solenoid valve by using a tester.
• The limit switch is normal if the voltage is
being applied.
4. Inspect the lever lock solenoid valve.
Inspect by the following procedure.
a. Turn the starter switch to the “ON” position.
b. Push lightly on the projection on the front end
of the solenoid valve.
c. Move the lever stand and change the limit
switch from “OFF” to “ON”.
d. If the spool moves and vibration can be felt
with the fingertip when the circuit changes,
then it is normal.
5. Inspect the pilot relief valve.
Measure the relief pressure of the pilot relief
valve.
• If the pressure is the standard value, the valve
is normal.
“II. Specifications, Standards for Judging
Performance”
6. Inspect the pilot valve.
“IV. Hydraulic Units, Pilot Valve”
."-"
F4E005
0.85RW
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