Morooka MST-800VD - Problems with Chassis Related Parts

2-59
Problem
Main causes
Remedy
Engine does not run smoothly
• Air in fuel line
• Fuel filter clogged with dirt, water in
fuel filter
• Leakage of fuel from fuel system
• Failure in engine
• Bleed air
• Check, replace new parts, or repair
• Check, repair
• Contact your distributor
Engine stops when set to low speed
• Failure in engine
• Contact your distributor
Engine suddenly stops during operation
• Lack of fuel
• Lack of engine oil
• Failure in engine
• Check, add fuel
• Check, add oil
• Contact your distributor
11.2 PROBLEMS WITH CHASSIS RELATED PARTS
Problem
Main causes
Remedy
Machine does not move
• Parking brake still applied
• Leakage of oil from hydraulic system
• Travel lever cable disconnected
• Failure in hydraulic equipment
• Release parking brake, or check
brake piping
• Check, repair
• Check, repair
• Contact your distributor
HST oil pressure lamp on instrument panel
lights up during operation
(HST oil pressure is lowered)
• Clogged hydraulic line filter
• Clogged strainer inside hydraulic
tank
• Defective wiring
• Failure in hydraulic equipment
• Check, clean
• Check, clean
• Check, repair
• Contact your distributor
Abnormal noise generated from around
pump
• Clogged strainer inside hydraulic
tank
• Leakage of oil from hydraulic system
• Failure in hydraulic equipment
• Check, clean, or replace new parts
• Check, repair
• Contact your distributor
HST oil temperature lamp on instrument
panel lights up during operation
(Hydraulic oil temperature rises too high)
• Lack of oil inside hydraulic tank
• Loose fan belt
• Clogged oil cooler fins
• Leakage of oil from hydraulic system
• Operation under excessive load
• Check, add oil
• Check, adjust or replace
• Check, clean
• Check, repair
• Operate within max. payload
Rubber crawler comes off
• Rubber crawler tension too loose
• Check, adjust
Abnormal wear of sprocket
• Rubber crawler tension too tight
• Check, adjust