Multiquip Cordless Sander EHTX44Y5 ユーザーズマニュアル

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eHTx44y5 RIDe-ON TROWeL • OpeRaTION maNuaL — Rev. #0 (01/16/13) — page 47
trOuBleSHOOtinG
Troubleshooting (Ride-On Hydraulic Trowel) - continued
Symptom
possible problem
Solution
Lights (optional) not working.
Wiring?
Check all electrical connections, including the master on/
off switch and check to see if wiring is in good condition 
with no shorts. Replace as necessary. 
Lights?
Check to see if light bulbs are still good. Replace if 
broken.
Retardant spray (optional) not working.
Retardant?
Check retardant level in tank.  Fill tank as required.
Wiring?
Check all electrical connections, including master on/off 
switch connections. Replace components and wiring as 
necessary. 
Bad switch?
Check the continuity of master on/off switch. Replace if 
broken.
Bad spray pump?
If pump has a voltage present when the switch is turned 
on, but does not operate and electrical connections to 
the pump are good, replace the pump..
Bad fuse?
Check fuse. Replace fuse if defective.
Steering is unresponsive.
Blade speed out of adjustment?
See section on blade speed adjustment.
Worn components?
Check for wear of steering bearings and linkage 
components replace if necessary.
Pivots?
Check to ensure free movement of hydraulic drive 
motors.
Hydraulic pressure?
Check to ensure that hydraulic steering pressure is 
adequate. See section on checking hydraulic steering 
pressure.
Operating position is uncomfortable.
Seat adjusted for operator?
Adjust seat with lever located on the front of the seat.
Pitch system not working.
Wiring?
Check and repair wiring and connectors as necessary.
Spool stuck in solenoid valve?
Replace solenoid valve.