Ariens Sno-Thro 939003-ST520E - Manual (Page 21)

GB - 23
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTION
Engine will not
crank/start. 1. Fuel tank is empty.
2. Build up of dirt and residue around
governor/carburetor.
3. Key Switch not in run position.
4. Electric starter not functioning.
1. Fill fuel tank.
2. Clean area around governor/carburetor.
3. Put Key Switch into run position.
4. Check for a bad starter or connections.
Engine stops. 1. Out of fuel.
2. Mechanical jam in blower rake or
impeller.
3. Polluted fuel supply.
4. Faulty spark plug.
1. Fill fuel tank.
2. Turn off engine, remove key, and wait for
all moving parts to stop. Check for and
remove obstruction and repair before
restart.
3. Replace with clean fuel.
4. Replace or clean spark plug.
Engine problems. 1. See Engine Manual.
Does not drive
forward. 1. Traction drive cable not adjusted
properly.
2. Traction belt not functioning.
1. Adjust traction drive cable. See Traction
Drive Clutch Adjustment on page 19.
2. Repair or replace traction drive belt. See
Traction Drive Belt Replacement on
page 21.
Unit throws snow
poorly or does not
throw snow. 1. Shear bolts broken.
2. Attachment clutch/brake not
adjusted properly.
3. Auger is frozen in place.
4. Ice or debris is obstructing auger.
5. Attachment drive belt slipping,
worn or damaged.
1. Replace shear bolts (see Shear Bolts on
page 17).
2. Adjust attachment clutch/brake (see
Attachment Clutch/Brake Adjustment on
page 18).
3. Move unit to a warm place to thaw.
4. With the engine off and auger
disengaged, check for obstructions and
remove.
5. Adjust or replace attachment drive belt
(see Attachment Clutch/Brake
Adjustment on page 18).