Troubleshooting - Cub Cadet 726 TDE Operator's Manual

Troubleshooting

Problem
Engine fails to start
Engine running erratically/
inconsistent RPM (hunting
or surging)
Loss of power
Excessive vibration
Snow Thrower fails to
propel itself
Snow Thrower fails to
discharge snow
Chute fails to easily rotate
180 degrees
Cause
1. Fuel tank empty, or stale fuel.
2. Blocked fuel line.
3. Choke not in the RUN position.
4. Faulty spark plug.
5. Key not in ignition switch on engine.
6. Spark plug wire disconnected.
7. Primer button not being used properly.
1. Engine running on CHOKE.
2. Fuel line blocked or stale fuel.
3. Water or dirt in fuel system.
4. Carburetor out of adjustment.
5. Over-governed engine.
1. Spark plug wire loose.
2. Gas cap vent hole plugged.
1. Loose parts or damaged auger.
1. Drive control cable in need of adjustment.
2. Drive belt loose or damaged.
3. Friction wheel worn.
1. Chute assembly clogged.
2. Shear pin(s) sheared.
3. Foreign object lodged in auger.
4. Auger control cable in need of adjustment.
5. Auger belt loose or damaged.
1. Chute assembled incorrectly.
Remedy
1. Fill tank with clean, fresh gasoline. Fuel
becomes stale after thirty days.
2. Clean the fuel line.
3. Move choke control to RUN position
4. Clean, adjust gap or replace.
5. Insert the key fully into the switch.
6. Connect spark plug wire.
7. Refer to the Engine Operator's Manual.
1. Move choke control to RUN position.
2. Clean fuel line and fill tank with fresh clean,
gasoline.
3. Run engine until it stops. Refill with fresh fuel.
4. Contact an authorized service center.
5. Contact an authorized service center.
1. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap. Be
certain vent hole is clear.
1. Stop the engine immediately and disconnect
the spark plug wire. Tighten all bolts and
nuts. If vibration continues, have the snow
thrower serviced by an authorized service
dealer.
1. Adjust drive control cable. Refer to
Maintenance & Adjustments Section.
2. Replace drive belt. Refer to the Service
Section.
3. Replace the friction wheel.
1. Stop engine and disconnect spark plug wire.
Clean chute and inside of auger housing with
clean-out tool or a stick.
2. Replace shear pin(s).
3. Stop engine immediately and disconnect
spark plug wire. Remove object from auger.
4. Adjust auger control cable. Refer to the
Maintenance & Adjustments Section.
5. Refer to Service Section.
1. Unassemble chute control and reassemble as
directed in the Assembly section.
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