Ariens Classic LM 21 Owners Manual - Page 25

Troubleshooting, Probable Cause

Page 25 highlights

TROUBLESHOOTING PROBLEM Engine will not start Engine is difficult to restart PROBABLE CAUSE 1. Fuel tank empty or low. 2. Spark plug wire loose or off. 3. Engine/Blade control cable detached, broken, or not adjusted properly. 1. Mower clogged with grass. Cut is poor 1. Worn blade. Grass does not disperse evenly Mower does not bag clippings Wheel drive does not engage (SelfPropelled models) 2. Too much grass is being removed per cutting. 3. Grass is too wet. 4. Mowing speed is too fast. 1. Too much grass is being removed per cutting. 2. Grass is too wet. 3. Mowing speed is too fast. 1. Grass bag is overfilled. 2. Mulching plug is installed. 1. Wheel drive control not engaged. 2. Drive belt out of position. 3. Drive belt worn or damaged. 4. Rear wheels at different cutting heights. 5. Idler spring detached. 6. Wheel drive control cable detached or broken. 7. Friction disc not adjusted properly or damaged. 8. Bearings damaged. 9. Debris in gear set. CORRECTION 1. Check fuel level. Fill tank if necessary. 2. Check connection. 3. Check cable. Adjust, repair or replace as necessary. 1. Clear clippings from under mower. (Allow the mower to clear clippings before shutting off engine.) 1. Check blade (see CHECK MOWER BLADE on page 18). 2. Raise cutting height. 3. Allow grass to dry. 4. Mow slower. 1. Raise cutting height. 2. Allow grass to dry. 3. Mow slower. 1. Empty grass bag and do not allow it to overfill. 2. Remove mulching plug. 1. Engage wheel drive control. 2. Check drive belt. Adjust as necessary (see CHECK DRIVE BELT on page 19). 3. Replace belt (see CHECK DRIVE BELT on page 19). 4. Adjust rear wheels to same cutting height (see CUTTING HEIGHT ADJUSTMENT on page 11). 5. Attach idler spring to notch on idler arm. Contact your Dealer. 6. Check wheel drive control cable. Adjust or replace as needed. See CHECK WHEEL DRIVE CONTROL on page 18. 7. Contact your Dealer. 8. Contact your Dealer. 9. Contact your Dealer. GB - 25

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32

GB - 25
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
CORRECTION
Engine will not
start
1. Fuel tank empty or low.
2. Spark plug wire loose or off.
3. Engine/Blade control cable
detached, broken, or not
adjusted properly.
1. Check fuel level. Fill tank if
necessary.
2. Check connection.
3. Check cable. Adjust, repair
or replace as necessary.
Engine is
difficult to
restart
1. Mower clogged with grass.
1. Clear clippings from under
mower. (Allow the mower to
clear clippings before
shutting off engine.)
Cut is poor
1. Worn blade.
2. Too much grass is being
removed per cutting.
3. Grass is too wet.
4. Mowing speed is too fast.
1. Check blade (see
CHECK
MOWER BLADE
on
page 18).
2. Raise cutting height.
3. Allow grass to dry.
4. Mow slower.
Grass does
not disperse
evenly
1. Too much grass is being
removed per cutting.
2. Grass is too wet.
3. Mowing speed is too fast.
1. Raise cutting height.
2. Allow grass to dry.
3. Mow slower.
Mower does
not bag
clippings
1. Grass bag is overfilled.
2. Mulching plug is installed.
1. Empty grass bag and do not
allow it to overfill.
2. Remove mulching plug.
Wheel drive
does not
engage (Self-
Propelled
models)
1. Wheel drive control not
engaged.
2. Drive belt out of position.
3. Drive belt worn or damaged.
4. Rear wheels at different
cutting heights.
5. Idler spring detached.
6. Wheel drive control cable
detached or broken.
7. Friction disc not adjusted
properly or damaged.
8. Bearings damaged.
9. Debris in gear set.
1. Engage wheel drive control.
2. Check drive belt. Adjust as
necessary (see
CHECK
DRIVE BELT
on page 19).
3. Replace belt (see
CHECK
DRIVE BELT
on page 19).
4. Adjust rear wheels to same
cutting height (see
CUTTING
HEIGHT ADJUSTMENT
on
page 11).
5. Attach idler spring to notch
on idler arm. Contact your
Dealer.
6. Check wheel drive control
cable. Adjust or replace as
needed.
See CHECK
WHEEL DRIVE CONTROL
on page 18.
7. Contact your Dealer.
8. Contact your Dealer.
9. Contact your Dealer.