Simplicity 1693647 555M - Manual (Page 21)

17
Service
PROBLEM POSSIBLE CAUSE REMEDY
Auger rotates, but snow is not
thrown far enough 1. Chute deflector too low.
2. Engine speed too slow.
3. Ground speed too fast.
4. Snowthrower discharge chute clogged.
5. Auger belt loose or worn.
1. Adjust deflector as necessary.
2. Set speed to full throttle.
3. Use slower Speed Selector setting.
4. STOP engine and REMOVE the key.
DISCONNECT the spark plug wire.
Clear auger using a narrow board.
See warning in SAFETY RULES.
5. Check Auger Drive Belt Adjustment
Scraper bar does not clean hard
surface. 1. Skid Shoes improperly adjusted. 1. RAISE Skid Shoes (this lowers the
Scraper Bar).
Auger does not stop when auger
lever is released 1. Auger clutch rod too tight or bent.
2. Auger drive belt out of adjustment.
3. Auger belt guide out of adjustment.
1. Loosen or straighten clutch rod.
2. Adjust auger belt.
3. Adjust auger belt guide.
Scraper bar picks up and throws
stones on gravel drive. 1. Skid shoes improperly adjusted. 1. LOWER Skid Shoes (this raises the
scraper bar.)
Poor traction 1. Tires slipping. 1. Check tire pressure and tread.
Snowthrower does not stop when
drive lever is released 1. Traction drive clutch rod bent or too
tight.
1. Loosen rod to remove slack or
replace. See adjustment procedure.
Snowthrower does not drive when
drive lever is engaged. 1. Traction drive clutch rod loose.
2. Drive belt loose, broken, or stretched.
3. Drive roller chain damaged.
4. Traction Lock Pins in Free-Wheeling
position (OUTER hole).
1. Tighten to remove slack. See adjust-
ment procedure.
2. Replace drive belt.
3. Replace chain.
4. Change Traction Lock Pins to INNER
hole to engage traction drive.
Discharge control is difficult to
operate. 1. Gearing needs lubrication
2. Worm gear not adjusted properly.
3. Control rod gears misaligned.
1. Oil or grease as required.
2. Adjust worm gear. See adjustment
procedure.
3. Adjust gear bracket. See adjustment
procedure.
Snowthrower veers to one side. 1. Tires pressure not equal.
2. One wheel is set in Free-Wheeling
mode. (Traction Lock Pin is in the
OUTER hole).
1. Check tire pressure.
2. Make certain BOTH Traction Lock
Pins are in the INNER holes (to
engage traction drive).
Excessive vibration. 1. Loose parts or damaged auger. 1. STOP engine and REMOVE the key.
DISCONNECT the spark plug wire.
Tighten all hardware. Replace auger
if necessary. If vibration continues,
see your dealer.
Drive fails to move snowthrower
at slow speeds. 1. Traction Drive out of adjustment. 1. Readjust drive, or shift Speed
Selector setting up one speed faster.