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Swisher LS722H Owner's Manual page 16

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Pump Pulley
Problem
Engine fails to start.
Engine is hard to start or
runs erratic.
Cylinder rod will not extend
or contract.
Cylinder rod is slow or
erratic while extending and
contracting.
Idler Pulley
Engine Pulley
BELT ROUTING DIAGRAM
(VIEWED FROM UNDERSIDE OF SPLITTER)
TROUBLESHOOTING
Cause
1. Spark plug wire disconnected.
2. Fuel tank not full enough or stale fuel.
3. Throttle control lever not in correct
starting position.
4. Choke not in CHOKE position.
5. Engine not primed properly.
6. Fuel valve not ON or blocked fuel line.
7. Faulty spark plug.
1. Spark plug wire loose.
2. Unit running on CHOKE.
3. Blocked fuel line or stale fuel.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburetor out of adjustment.
1. Cold weather clutch not engaged.
2. Broken or improperly installed belt.
3. Low hydraulic fluid.
4. Hydraulic lines blocked.
5. Damaged or broken pump.
6. Damaged control valve.
1. Low hydraulic fluid.
2. Contaminated hydraulic fluid.
3. Excessive pump inlet vacuum.
4. Damaged pump.
5. Damaged control valve.
6. Internal cylinder damage.
1. Connect wire to spark plug.
2. Fill tank full with clean, fresh gasoline.
3. Move throttle lever to FAST position.
4. Move choke to CHOKE position.
5. Prime engine.
6. Turn on fuel valve or clean fuel line.
7. Clean, adjust gap, or replace spark plug.
1. Connect and tighten spark plug wire.
2. Move choke lever to OFF position.
3. Clean fuel line; fill tank with clean, fresh
gasoline
4. Drain fuel tank. Refill with fresh gasoline.
5. Clean or replace air cleaner.
6. See authorized service center.
1. Engage cold weather clutch.
2. Replace or reinstall belt.
3. Fill hydraulic tank to correct fluid level.
4. Flush and clean hydrualic system.*
5. See authorized service center.
6. See authorized service center.
1. Fill hydraulic tank to correct fluid level.
2. Drain fluid, flush system, and refill.
3. Make certain pump hoses are clear and
unblocked. Make certain hose in not
collapsing under suction.
4. See authorized service center.
5. See authorized service center.
6. See authorized service center.
16
Remedy

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