Troubleshooting Cutting Problems; Troubleshooting Engine Problems - Hitachi Koki CM14E Manual Del Operador

Trouble
Wheel stops when cutting pressure
is applied
Belt slips and cannot be tensioned
properly
Poor cutting – wheel discoloured at
outer area
Trouble
Engine will not start
GB
Engine hard to start
Engine misses
Engine overheats and / or stalls
under cutting load

Troubleshooting Cutting Problems

Probable Cause
1. Bearing down too hard.
2. Binding in crooked cut.
3. Binding in closing cut.
4. Loose Rib Ace-belt.
Belt worn beyond the limit.
Heat damage.

Troubleshooting Engine Problems

Probable Cause
1. Out of fuel.
2. Switch not on.
3. Engine fl ooded.
4. Fuel fi lter clogged.
5. Air fi lter blocked.
6. Spark plug fouled or
cracked.
7. Ignition magneto or spark
plug wire faulty.
1. See reasons under "will
not start".
2. Water in fuel or fuel has
gone stale or sour.
3. Engine not getting the
proper fuel/air mixture.
4. Carburettor out of
adjustment.
1. Dirt in carburettor or fuel
line.
2. Carburettor out of
adjustment.
3. Weak or intermittent
spark.
1. Not enough oil.
2. Air passages around
cylinder clogged.
3. Carburettor main
adjustment is set too
"Lean".
1. Ease up cutting pressure.
2. Lay out and follow a straight line.
3. Support material so cut will open.
4. Increase belt tension.
Replace Rib Ace-belt.
Replace wheel.
Do not cut long in one spot.
Water fl ush when recommended.
1. Fill fuel tank.
2. Move switch to "RUN" position.
3. Remove spark plug. Turn switch
off and crank engine to expel the
fuel. Install clean, dry, properly
gapped spark plug.
4. Install clean fuel fi lter. Check that
fuel pick-up line is not leaking or
clogged. Clean fuel tank.
5. Clean or replace air fi lter element.
6. Replace plug.
7. Contact nearest authorized
HITACHI servicing dealer.
1. See remedies above.
2. Fill tank with clean, fresh fuel
mixture.
3. If over-choked and fl ooded,
remove plug and crank engine
before installing clean, dry plug. If
not choked enough, set controls
properly for starting.
4. See "Carburettor Adjustment"
or seek authorized dealer for
adjustment.
1. Contact nearest authorized
servicing dealer.
2. Adjust, or seek dealer service.
3. Contact nearest authorized
servicing dealer.
1. Use proper amount of oil in fuel
mixture.
2. Clean air intake grid on starter
side, fl ywheel, cylinder fi ns and
surrounding area.
3. See "Carburettor Adjustment"
or seek authorized dealer for
adjustment.
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Remedy
Remedy