Troubleshooting - Ariens Sno-Thro ST520E Owner's/Operator's Manual

PROBLEM
Engine will
not
crank/start.
Engine stops.
Engine
problems.
Does not
operate in
Forward /
Reverse.
Small rubber
beads collect
in frame
Unit throws
snow poorly
or does not
throw snow.

TROUBLESHOOTING

PROBABLE CAUSE
1. Fuel tank is empty.
2. Fuel shut-off valve
closed.
3. Build up of dirt and
residue around
governor/carburetor.
4. Key Switch not in run
position.
5. Electric starter not
functioning.
1. Out of fuel.
2. Fuel shut-off valve
closed.
3. Mechanical jam in blower
rake or impeller.
4. Polluted fuel supply.
5. Faulty spark plug.
1. See Engine Manual.
1. Friction disc not adjusted
properly.
2. Traction belt not
functioning.
3. Speed selector not
adjusted properly.
1. Friction disc wear.
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.
CORRECTION
1. Fill fuel tank.
2. Open fuel shut-off valve.
3. Clean area around
governor/carburetor.
4. Put Key Switch into run
position.
5. Check for a bad starter or
connections.
1. Fill fuel tank.
2. Open fuel shut-off valve.
3. Turn off engine, remove key,
and wait for all moving parts to
stop. Check for and remove
obstruction and repair before
restart.
4. Replace with clean fuel.
5. Replace or clean spark plug.
1. Repair or replace friction disc
(see Friction Disc Replacement
on page 26).
2. Repair or replace traction drive
belt (see Traction Drive Belt
Replacement on page 22).
3. Adjust speed selector (see
Speed Selector Adjustment on
page 20).
1. Normal friction disc wear.
Chunks or large pieces of
rubber mean friction disc
should be checked and
replaced as necessary.
1. Replace shear bolts (see Shear
Bolts on page 19).
2. Adjust attachment clutch/brake
(see Attachment Clutch/Brake
Adjustment on page 22).
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 22).
GB - 28