Craftsman 944.604212 Owner's Manual page 26

21 hp electric start 42" mower 6 speed transaxle lawn tractor
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TROUBLESHOOTING
POINTS
PROBLEM
CAUSE
CORRECTION
Engine continues to run
when operator leaves seat
with attachment
clutch
engaged
Poorcut-uneven
Mower blades will not
rotate
Poor grass discharge
Headlight(a) not working
(If so equipped)
BaRerywillnotcharge
Englne"bacldtres"whea
turning engine"OFF"
1,
Faulty operator-safety
presence control system.
t.
Worn, bent or loose blade.
2.
Mower deck not level.
3.
Buildup of grass, leaves, and trash under mower.
4.
Bent blade mandrel
5.
Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels.
1.
ObstructJea in clutch mechanism.
2.
Worn/damaged mower drive bell
3.
Frozen idler pulley.
4.
Frozen blade mandrel
1.
Engine speed tea slow.
2.
Travel sp_d
too fast.
3.
Wet grass.
4.
Mower deck not level.
5.
Low/uneven tire air pressure.
6.
Worn, bent or loose blade.
7.
Buildup of grass, leaves and trash under mower.
8.
Mower drive belt worn.
9.
Blades improperly installed.
10.
fmpropar Mad_s used.
it.
Cidggad mower dsek verd holea from buildup of
grass, leaves, and hash around mandrels.
1. Switch is "OFF'.
?_ e_lb(s) or ismp(s) burned eel
3.
Faultylightswitch.
4.
Looseor damagedwiring.
5, Blownfuse.
1. Bad bettery cell(s).
2. Pont cableconnentieas.
3. Faultyregulator ('rfso equipped).
4. Faulty alternator.
1. Enginethrottiscontrolnot set betweenhalfand
full speed (fast)po_lton beforestoppingengine.
1.
Check wiring, switches and connections. If not
corrected, contact an authorized service center/
department.
1.
Replace _ade. Tighten blade bolt.
2.
Level mower deck.
3.
Clean underside of mower housing.
4.
Replace blade mandrel.
5.
Clean around mandrels to open vent holes.
1.
Removeobotruc'don.
2.
Replacemowerdrive bell
3.
Replaceidlerpulley.
4.
Replaceblademandrel,
1.
Place throttle control in "FAST" position.
2.
Shift to slower speed.
3.
Allow grass to dry be_rs
rnowmg.
4.
Level mower deck.
5.
Check tires for proper air pressure.
6.
Replace/sharpen blade. Tighten t_ade bolt.
7.
Clean underside of mower housing.
8.
Replace mower drive belt.
9.
Reinstall blades sharp edge down.
1O. Reptace wig_ blades listed in this manual.
I1.
Clean areaqd mandrels to open vent holea.
1.
Turn switch "ON'.
2. nepaace _ b(s) or ismp(s).
3.
Cheddreplace light s_,_h.
4.
Check widng and oonnectfuns.
5. _
fuse.
1. Replace battery.
2. CbedVdean all connections,
3.
Replaceregulator.
4.
Replacealternator.
t.
Move throttlecontrolbetween halfandfull speed
(fast)position before stopping engine.
26

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