Troubleshooting - Shibaura ST450 Operator's Manual

If you find something is wrong with your tractor, refer to the table below for the possible cause and its
correction. In case you may need further assistance please do not hesitate to contact your SHIBAURA
dealer.
Before inspecting the tractor, park it firm, flat and level surface, set the parking brake, lower all
implements to the ground, place the gear shift lever in neutral, stop the engine, remove the key
and allow to cool hot components, oil and coolant.
1. ENGINE
TROUBLE
Engine starter motor does not
rotate
Engine does not start
Engine rotates irregularly
If you have any questions, contact your SHIBAURA dealer.
SECTION 3 – LUBRICATION AND MAINTENANCE

TROUBLESHOOTING

CAUTION
POSSIBLE CAUSE
Transmission range and PTO
clutch control levers are not in
neutral position.
Insufficient charging or complete
discharge of battery
Looseness or corrosion of
battery terminals
Burned out fuse
Lack of fuel
Air or water mixed in fuel system
Clogged fuel filter
Improper lubricating oil viscosity
Clogged air cleaner
Air or water mixed in fuel system
Clogged fuel filter
Unsuitable fuel
Set in neutral position.
(See page 2-7)
Charge the battery fully
(See page 3-20)
Tighten and clean battery
terminals
Replace fuse (See page 3-22)
Fill fuel tank (See page 3-4)
Inspect fuel system for tightness
Bleed the fuel system
(See page 3-9, 3-10)
Replace fuel filter
(See page 3-8)
Replace lube oil
(See page 3-5, 3-6)
Replace air cleaner
(See page 3-11, 3-12, 3-13)
Inspect fuel system for tightness
Bleed the fuel system
(See page 3-9, 3-10)
Replace fuel filter
(See page 3-8)
Replace fuel (See page 3-3)
3-34
CORRECTION