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5
TRAVELING
TROUBLESHOOTING
2. Check the pilot relief valve
Measure the relief pressure of the pilot relief valve.
• If the measured value is within specifications, the pi-
lot r
elief valve is normal.
“2. Service data, Performance criteria”
3. Check the fuse
Check the fuse in the power supply circuit that acti-
vates the 2nd speed solenoid valve.
4. Check the 2nd speed switch
Press the switch to turn it on. Then check for continuity
with a tester.
5. Check the 2nd speed relay
Press the travel speed switch to turn on the relay. Then,
check the voltage in the 2nd speed solenoid valve with
a tester.
Be sure to stop the engine before checking.
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