HTH — TROUBLESHOOTING

 

 

 

 

 

Troubleshooting (Ride-On Mechanical Trowel) - continued

Symptom

 

Possible Problem

Solution

 

 

 

Check all electrical connections in the lighting circuit.

 

 

Wiring?

Verify wiring is in good condition with no shorts. Replace

 

 

 

defective wiring or components immediately.

 

 

 

 

 

 

 

If +12VDC is present at light fixture connector when light

Lights (optional) not working.

 

Lights?

switch is activated and light does not turn on, replace

 

 

 

light bulb.

 

 

 

 

 

 

Bad switch?

Check the continuity of light switch. Replace light switch

 

 

if defective.

 

 

 

 

 

 

 

 

 

Bad fuse?

Check fuse. Replace fuse if defective.

 

 

 

 

 

 

Retardant?

Check retardant level in tank. Fill tank as required.

 

 

 

 

 

 

 

Check all electrical connections in the spray pump

 

 

Wiring?

circuit. Verify wiring is in good condition with no shorts.

 

 

 

Replace defective wiring or components immediately.

 

 

 

 

Retardant spray (optional) not working.

 

Bad switch?

Check the continuity of both left and right spray switches

 

(palm handles). Replace spray switch if defective..

 

 

 

 

 

 

 

 

 

 

If +12VDC is present at pump connector when spray

 

 

Bad spray pump?

switch is activated and pump does not operate, replace

 

 

 

spray pump.

 

 

 

 

 

 

Bad fuse?

Check fuse. Replace fuse if defective.

 

 

 

 

 

 

Blade speed out of adjustment?

See section on blade speed adjustment.

 

 

 

 

 

 

 

Adjust the connecting linkage found at the base of the

Steering is unresponsive.

 

Steering linkage out of adjustment?

handle. Contact your MQ field service manager for

 

 

instructions.

 

 

 

 

 

 

 

 

 

Worn components?

Check for wear of steering bearings and linkage

 

 

components. Replace if necessary.

 

 

 

 

 

 

 

Operating position is uncomfortable.

 

Seat adjusted for operator?

Adjust seat with lever located on the front of the seat.

 

 

 

 

 

 

 

If the motor runs and the pitch is not affected, parts

 

 

Broken or loose parts?

inside the power head may be loose or broken. Return

 

 

 

power head to dealer for service.

 

 

 

 

Power head on Electric Pitch (optional) not

 

 

Check all electrical connections and wiring. Check the

 

 

continuity at the power head unit. Verify that there is

working.

 

Wiring?

 

voltage present at the power head switch with the key

 

 

 

 

 

 

switch in the “on” position.

 

 

 

 

 

 

Switch?

Check the continuity of the switch. If switch is

 

 

malfunctioning, replace immediately.

 

 

 

 

 

 

 

 

 

Crank handles?

Make sure that both crank handles are pushed down as

Linkage on Twin Pitch not working.

 

far as possible to ensure that the linkage is engaged.

 

 

 

 

Broken part?

Replace all broken parts immediately.

 

 

 

 

HTH-8 FT. RIDE-ON POWER TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (02/22/11) — PAGE 25

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Image 25
Multiquip N/A manual Symptom Possible Problem Solution