18
Pow’R’kraft Chipper 18
Revision 9/22/16
TROUBLE SHOOTING
Problem
Cause
Engine fails to start.
1. Spark plug wire disconnected.
2. Out of fuel or stale fuel.
3. Fuel valve not in ON position.
4. Choke lever not in CLOSE position.
5. Blocked fuel line.
6. Fouled spark plug.
7. Engine flooding.
1. Attach spark plug wire securely to
spark plug.
2. Fill with clean, fresh gasoline.
3. Fuel valve must be in ON position.
4. Choke level must be in CLOSE
position for a cold start.
5. Clean the fuel line.
6. Clean, adjust gap, or replace.
7. Wait a few minutes to restart, but do
not prime.
Engine runs erratically.
1. Spark plug wire loose.
2. Unit running with Choke lever in
CLOSE position.
3. Blocked fuel line or stale fuel.
4. Vent plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
7. Improper carburetor adjustment.
1. Connect and tighten spark plug wire.
2. Move choke lever to OPEN position.
3. Clean fuel line. Fill tank with clean,
fresh gasoline.
4. Clear vent.
5. Drain fuel tank. Refill with fresh fuel.
6. Clean or replace air cleaner.
7. Refer to
Engine Manual
.
Engine overheats.
1. Engine oil level low.
2. Dirty air cleaner.
3. Air flow restricted.
4. Carburetor not adjusted properly.
1. Fill crankcase with proper oil.
2. Clean air cleaner.
3. Remove housing and clean.
4. Refer to
Engine Manual
.
Chipping action seems
too slow, or cutting disk
stalls,or no material is
discharged when engine
is running.
1. The engine speed is too slow causing
belt to slip.
2. Drive Belt loose or damaged.
3. Knives dull or damaged.
4. Cutting disk jammed by debris from
the feed hopper and discharge chute.
5.Discharge chute clogged.
1. Run the engine at full throttle.
2. Tighten or replace drive belt.
3. Sharpen or replace knives.
4. Remove any built-up debris and turn
cutting disk with a wooden stick to be
sure it turns freely.
5. Clean out debris.
The belt frays or rolls
over the pulley.
1. The rotor drive pulley groove may be
nicked.
2. The drive belts may be stretched.
3. The pulleys may be misaligned.
1. Check the drive belts for wear and
hard spots.File off any nicks on the
pulley.
2. Replace the drive belts.
3. Adjust the pulleys.
When chipping, branch
seems to vibrate and
move about excessively
with unusual noise.
1. Knives dull or damaged.
2. Knives is not properly seated on the
cutting disk.
3. The gap between the knives and wear
plate is too large.
4. Rotor overloaded with material.
1. Sharpen or replace knives.
2. Loosen the knives mounting screws,
reset the knives and tighten the screws.
3. Adjust the gap.
4. Allow unit to clear itself before
adding more material to the hopper.
Chipper Knives are
hitting the wear plate.
The gap between the knives and wear
plate is set incorrectly.
Adjust the gap.
The machine's wheels
track left or right while
being towed.
Low tire pressure.
Refill air to tires.