Lit. No. 48593, Rev. 00
20
August 15, 2009
MAINTENANCE
Condition
Possible Cause
Correction
Control power indicator not ON.
Control not turned ON.
Turn ON control.
No power to control.
Blown fuse. Part of the vehicle control harness.
Replace fuse.
Plow/vehicle lighting harness not
connected.
Properly connect both harnesses.
Motor does not run.
Plow/vehicle control harnesses not
connected.
Properly connect both harnesses.
Blown fuse in vehicle control harness. Replace blown fuse in control harness.
Snowplow won't raise or raises
slowly or partially.
Excess weight on blade.
Remove snow and/or ice buildup or aftermarket
accessories (excess weight).
Hydraulic
fl
uid level low or wrong
fl
uid
is used.
Fill reservoir to proper level with recommended
fl
uid. Do not mix different hydraulic
fl
uid types.
Vehicle battery weak or charging
system defective.
Replace battery and check charging system.
Snowplow angles slowly or
partially.
Hydraulic
fl
uid level low or wrong
fl
uid
is used.
Fill reservoir to proper level with recommended
fl
uid. Do not mix different hydraulic
fl
uid types.
Vehicle battery weak or charging
system defective.
Replace battery and check charging system.
Air trapped in angle rams.
Cycle per procedure to remove air from rams.
See Annual Fluid Change section.
Snowplow won't lower, lowers
slowly, or won't
fl
oat.
Hydraulic
fl
uid not correct for outside
temperature.
Use recommended
fl
uid.
Blown fuse in vehicle control harness. Replace blown fuse.
Snowplow lowers by itself or
won't stay in raised position.
Hydraulic
fi
ttings or hoses loose or
damaged.
Tighten or replace components or see sales
outlet for repair information.
Fluid leaks from hydraulic system. Reservoir over
fi
lled.
Do not
fi
ll reservoir beyond
fi
ller plug.
Failed seal/O-ring.
See sales outlet for repair information.
Loose or damaged hydraulic
fi
ttings,
hoses, plugs, or hardware.
Tighten loose components. See sales outlet for
repair information.
Fluid leaks from angle or lift ram. Hydraulic
fi
ttings or hoses loose or
damaged.
Tighten or replace components or see sales
outlet for repair information.
Excessive load on vehicle
electrical system while using
snowplow.
Hydraulic
fl
uid not correct for outside
temperature.
Use recommended
fl
uid.
Vehicle battery weak or charging
system defective.
Replace battery and check charging system.
Vehicle electrical system inadequate.
Check vehicle speci
fi
cations and
recommendations.
Vehicle battery loses charge
when snowplow is not being
used.
Vehicle battery weak.
Replace battery.
Snowplow headlamps operate
irregularly or not at all (snowplow
attached).
Snowplow and vehicle lighting
harnesses are not mated correctly.
Properly connect both harnesses.
Burned out bulbs or corroded sockets. Replace bulbs, clean contacts.
Vehicle headlamps operate
irregularly or not at all, with
snowplow removed.
Burned out bulbs.
Replace bulbs.
Defective vehicle fuse.
Replace fuse.
Plow park/turn lamps not
operating.
Blown fuse. Part of the vehicle control
harness.
Replace fuse.
TROUBLESHOOTING
Some of the following guide corrections listed here
are complicated. Unless you are very experienced
in electrical and hydraulic repair, let your sales outlet
service personnel do the repairs. If your problem does
not appear in this guide, contact your sales outlet.
