14
TROUBLESHOOTING
NOTE: For repairs beyond those listed here, contact your nearest authorized service center.
* Flushing the reservoir tank and hoses with kerosene whenever service is performed on the tank, hydraulic
pump or valve is recommended. Contact an authorized service center.
Problem
Cause
Remedy
Engine fails to start.
1. Spark plug wire disconnected.
1. Connect wire to spark plug.
2. Fuel tank not full enough or stale fuel.
2. Fill tank full with clean, fresh gasoline.
3. Throttle control lever not in correct
3. Move throttle lever to FAST position.
starting position.
4. Choke not in CHOKE position.
4. Move choke to CHOKE position.
5.Fuel valve not ON or blocked fuel line
5. Turn on fuel valve or clean fuel line.
6. Faulty spark plug.
6. Clean, adjust gap, or replace spark plug.
Engine is hard to start or runs
erratic.
1. Spark plug wire loose.
1. Connect and tighten spark plug wire.
2. Unit running on CHOKE.
2. Move choke lever to OFF position.
3. Blocked fuel line or stale fuel.
3. Clean fuel line; fill tank with clean, fresh gasoline
4. Water or dirt in fuel system.
4. Drain fuel tank. Refill with fresh gasoline.
5. Dirty air cleaner.
5. Clean or replace air cleaner.
6. Carburetor out of adjustment.
6. See authorized service center.
Cylinder rod will not extend or
contract.
1. Low hydraulic fluid.
1. Fill hydraulic tank to correct fluid level.
2. Hydraulic lines blocked.
2. Flush and clean hydrualic system.*
3. Damaged or broken pump.
3. See authorized service center.
4. Damaged control valve.
4. See authorized service center.
Cylinder rod is slow or erratic
while extending and contracting.
1. Low hydraulic fluid.
1. Fill hydraulic tank to correct fluid level.
2. Contaminated hydraulic fluid.
2. Drain fluid, flush system, and refill.
3. Excessive pump inlet vacuum.
3. Make certain pump hoses are clear and
unblocked. Make certain hose is not
collapsing under suction.
4. Damaged pump.
4. See authorized service center.
5. Damaged control valve.
5. See authorized service center.
6. Internal cylinder damage.
6. See authorized service center.
Leaking Cylinder
1. Broken seals.
1. See authorized service center.
2. Scored cylinder.
2. See authorized service center.
Summary of Contents for LS622H
Page 13: ...13 DECAL LOCATION...
Page 15: ...15 MAINTENANCE LOG Notes Service Performed Date of service...
Page 19: ......
