User manual

11Section 5 — Product care
15. The nuts on the flat head cap screws can be
reached from underneath using a 1/2-inch
socket, universal, and extension. See Figure
7-12.
Nuts
Impeller
Figure 7-12
16. Replace or sharpen chipper blade. The blade can
be sharpened with a file or on a grinding wheel.
WARNING: The chipper blade is sharp.
When sharpening blade, wear leather
work gloves to protect your hands and
follow the original angle of grind.
17. Reassemble by performing the previous steps
in the opposite order and manner of removal.
NOTE: Tighten blade screws to 210 - 250 in-lbs.
Make certain chipper blade is reassembled
with the sharp edge facing upward.
Off-Season Storage
• When storing the chipper/shredder vacuum
in an unventilated or metal storage shed, care
should be taken to rustproof the non-painted
surfaces. Using a light oil or silicone, coat the
equipment, especially any springs, bearings,
and cables.
• Remove all dirt from exterior of engine and
equipment.
• Follow lubrication recommendations.
• Refer to engine manual for correct engine
storage instructions.
• Store equipment in a clean, dry area. Do not
store in an area where equipment is present
that may use a pilot light or has a component
that can create a spark.
Troubleshooting
Problem Cause Remedy
Engine Fails to start 1. Throttle lever (if equipped) not in correct starting position.
2. Engine switch (if equipped) in OFF position.
3. Spark plug wire disconnected.
4. Choke not in CHOKE position (if equipped).
5. Fuel tank empty or stale fuel.
6. Fuel shut-off valve closed (if equipped).
7. Faulty spark plug.
8. Bag/chute switch button is not fully depressed.
1. Move throttle lever to FAST or START position.
2. Move engine switch to ON position.
3. Connect wire to spark plug.
4. Move choke lever to CHOKE position.
5. Fill tank with clean, fresh gasoline.
6. Turn on fuel shut-off valve.
7. Clean, adjust gap, or replace.
8. Make certain the bag is correctly secured, and the bag/chute switch button
is fully depressed.
Engine runs erratic 1. Spark plug boot loose.
2. Unit running on CHOKE (if equipped).
3. Blocked fuel line or stale fuel.
4. Low engine RPM.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
7. Carburetor out of adjustment.
1. Connect and tighten spark plug boot.
2. Move choke lever to OFF position.
3. Clean fuel line; fill tank with clean, fresh
gasoline.
4. Always run engine at full throttle.
5. Drain fuel tank. Refill with fresh fuel.
6. Refer to engine manual.
7. See authorized service dealer.
Engine overheats 1. Engine oil level low.
2. Dirty air cleaner.
1. Fill crankcase with proper oil.
2. Refer to engine manual.
Occasional skips (hesitates) at high speed 1. Spark plug gap too close.
2. Carburetor idle mixture adjustment improperly set.
1. Remove spark plug and adjust gap to .030”.
2. See authorized service dealer.
Excessive Vibration 1. Loose parts or damaged impeller. 2. See authorized service dealer.
Unit does not discharge 1. Discharge area clogged.
2. Foreign object lodged in impeller.
3. Low engine RPM.
4. Vacuum bag is full.
1. Stop engine immediately and disconnect spark plug wire. Clean flail screen
and inside of discharge opening.
2. Stop engine and disconnect spark plug wire. Remove lodged object.
3. Always run engine at full throttle.
4. Empty bag.
Rate of discharge slows considerably or
composition of discharged material changes
1. Low engine RPM.
2. Chipper blade dull.
1. Always run engine at full throttle.
2. Replace chipper blade or see your authorized service dealer.
Unit fails to propel itself or slips when drive
control is engaged
1. Drive control cable out of adjustment.
2. Drive belt worn or damaged.
1. Follow adjustment procedure in Maintenance & Adjustments section of
manual.
2. See authorized service dealer.