1. Gasoline Engine
(1) Deficient start up
(2) Operation deficient:
(3) Recoil starter operation deficient:
7 TROUBLE SHOOTING
26
Fuel available but
spark plugs do not
fire.
Fuel available and
spark plugs fire.
Fuel not available at
carburetor.
Weak in power.
Engine overheated:
Rotation fluctuates:
Power available at high
voltage cord.
Power not available at
high voltage cord.
If compression is normal:
If compression is deficient:
Compression normal and
no misfiring
Compression is normal
but misfires.
Fuel not available in fuel tank.
Fuel cock opening deficient.
Fuel filter clogged.
Tank cap breather hole clogged.
Aeration in the piping.
Compression deficient (See “If compression is deficient”.)
Carbon deposited in combustion chamber or exhaust hole.
Heat value of spark plug deficient.
Cooling fin dirty or damaged.
Governor adjustment inappropriate.
Governor spring deficient.
Fuel circulation deficient.
Air entering through suction system.
Rotator clogged with dust.
Spiral spring fatigue.
Spark plugs being bridged.
Carbon accumulateted on spark plugs.
Short circuit due to deficient insulation
at spark plugs.
Improper spark gap.
ON-OFF switch short circuited.
Deficient ignition coils.
Point smeared or gap improper.
Deficient or short circuited insulation at
condenser.
Ignition coil broken or short circuited.
Inappropriate fuel in use.
Water or dust has entered.
Air cleaner smeared.
Suction or exhaust valve stuck or
defective.
Piston ring or cylinder worn.
Deficient tightening of cylinder head or
spark plugs.
Head gasket or spark plug gasket dam-
aged.
Air cleaner dirty.
Carbon deposited in cylinder.
Oil level in carburetor improper.
Water in the fuel.
Spark plug smeared.
Ignition coil deficient.
Ignition coils often short circuited.
Содержание MVH-R100
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