2-86
17-4-1. Engine and electrical equipment
• Contact your dealer for assistance, regarding the mea-
sures indicated in parentheses in the list below.
• If any abnormalities or troubles are encountered that are
not included among those shown below, ask your dealer
for assistance.
17-4. Troubleshooting
Trouble Cause Measure
Engine Steam comes out of top of
radiator.
• Shortage of cooling water
• Loose fan belt
• Buildup of dust and water scale on
cooling system
• Defective thermostat
• Clogged radiator fin or inclined fin
• Defective electrical system
• Check cooling water level.
Refill, if necessary.
(Check cooling water for leak from
water port.)
• Adjust belt tension.
• Replace cooling water. Clean inside
of cooling system.
• Replace thermostat.
• Clean or repair fin.
• Check or replace electrical system.
Water temperature alarm
lamp lights.
Turning on starter motor
does not start engine.
• Shortage of fuel
• Air mixed in fuel system
• Defective fuel injection pump or dete-
riorated nozzle performance
• Improper compression
• Blown out fuse
• Damaged starter switch key stop so-
lenoid. Link disengagement
• Refill fuel tank.
• Repair air leak.
• Release air from fuel system.
(• Replace pump or nozzle.)
(• Check and repair.)
• Replace fuse.
(• Check and repair.)
Dark fumes come out of
machine.
• Clogged air cleaner element
• Deteriorated nozzle performance
• Improper compression
• Clean or repair element.
(• Check and repair.)
(• Check and repair.)
Fume color is white or blu-
ish white.
• Too much oil in oil pan
• Improper fuel
• Worn cylinder or piston ring
• Drain oil from oil pan up to specified
level.
• Replace fuel with recommended one.
(• Repair.)
Electrical
equipment
Turning starter switch to
"START" dose not start
starter motor.
• Defective wiring system
• Defective starter switch
• Insufficiently charged battery
• Defective starter motor
• Check and repair wiring system.
• Replace starter switch.
• Recharge battery.
(• Check and repair.)
Maximum engine speed
does not provide enough
brightness of lamps.
• Defective wiring system
• Defective generator or regulator
• Check terminals for looseness and
disconnection. Repair terminal, if nec-
essary.
(• Check and repair.)
During engine operation,
lamp is extremely bright,
and frequently burns out.
• Defective regulator (• Replace regulator.)
Electrolyte leaks from bat-
tery.
• Defective battery (• Replace battery.)
Speed of starter motor is
too low.
• Defective wiring system
• Insufficiently charged battery
• Defective starter motor
• Check and repair wiring system.
• Recharge battery.
(• Check and repair.)
Courtesy of Machine.Market
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