LOFTNESS Kwik Trim 53, Руководство пользователя и каталог запасных частей

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28 Kwik Trim 53
Troubleshooting
PROBLEM POSSIBLE CAUSE SOLUTION
In work position, boom will not lift
or extend, or saw blade will “creep”
when turned off. Boom sensor switch is stuck in. Free plunger on boom sensor switch.
Boom sensor switch is out of
adjustment. Readjust sensor.
Solenoid not energized. Possible faulty sensor. Replace
sensor.
Faulty sensor switch. Replace sensor switch.
Faulty solenoid. Replace solenoid.
Boom will not move into or out of
transport position. Lift sensor switch is not making
contact. Adjust sensor to engage with boom
level.
Bad fuse. Replace if needed.
Low voltage supply. Check ground wiring and voltage to
ensure 12 volts is being supplied.
Black power wire from inside cab (in
panel below seat) to sensor switch
black wire.
Blue wire on sensor switch to red
wire on solenoid.
Faulty sensor switch. Replace sensor switch.
Faulty solenoid. Replace solenoid.
Boom lift or tilt cylinders settle. Leaking fitting or hose. Check for leaks from valve stack to
cylinder.
Faulty counter balance valve (CBV)
cartridge. Support the weight of the boom and
switch cartridges. Check if works.
Replace counter balance valve (CBV)
cartridge.
Internal leakage of cylinder. Repair cylinder.
Boom extend cylinder is slow. Debris in counter balance valve (CBV)
cartridge (return side). Clean cartridge and pilot ports.
Boom lifts in while in transport
position. Boom sensor switch is not making
contact. Adjust sensor to engage.
Bad fuse. Replace if needed.
Low voltage supply. Check ground wiring and voltage to
ensure 12 volts is being supplied.
Black power wire from inside cab (in
panel below seat) to switch black wire.
Blue wire on switch to red wire on
solenoid.
Faulty sensor switch. Replace sensor switch.
Faulty solenoid. Replace solenoid.
Maintenance