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5
TRAVELING
TROUBLESHOOTING
6. Check the 2nd speed solenoid valve
a. Turn the starter switch to the ON position.
b. Lightly press down the protruding part on the sole-
noid end.
c.
Move the lever stand to turn on the limit switch.
d. If you feel vibration under your fingers when the
spool is moved and the circuit is switched, the sole-
noid valve is normal.
7. Check the swivel joint
Disconnect the hose connecting the swivel joint and
the 2nd speed control valve from the 2nd speed con-
tr
ol valve. Fit the pressure gauge to the hose just dis-
connected, and then tur
n on the 2nd speed switch.
• Supply pressure: 3.4 MPa
8. 2nd speed control valve is faulty
Check if the spool of the 2nd speed control valve is
sticking or if foreign matter is caught in the spool.
“4. Disassembly and assembly, Travel motor”
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