Craftsman 917.2720601 Owner's Manual page 32

16.0 hp, 42" mower electric start automatictransmission
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TROUBLESHOOTING CHART:
See appropriate
section
In manual unless directed to Sears service center
PROBLEM
CAUSE
CORRECTION
Mowerbladeswill
2. Worn/damaged mower
2, Replace mower drive belt.
not rotate (con't)
drive belt.
3. Frozen idler pulley.
3. Replace idler pulley.
4. Frozen blade mandrel.
4. Contact aSears or other
qualified service center.
Poor grass
1. Engine speed too slow.
discharge
2. Travel speed 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.Improper
blades
used.
11
_leadlight(s)
not
1.
working
2.
',ifso equipped)
3.
4.
5.
Battery
will not
1.
:harge
2.
3.
4.
Loss of drive
1.
2.
3.
1.
Engine "backfires"
when turning
engine
"OFF"
.Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
Switch is "OFF".
Bulb(s)
or lamp(s) burned out.
Faulty light switch.
Loose
or damaged
wiring.
Blown fuse.
Bad battery
cell(s).
Poor cable connections.
Faulty regulator
(if so equipped).
Faulty alternator.
Freewheel
control in
"disengaged"
position.
Motion drive belt worn,
damaged,
or broken.
Air trapped in transmission
during shipment or
servicing.
Engine throttle
control not
set at "SLOW"
position for 30 seconds
before stopping engine.
1.
Place throttle
control in
"FAST" position.
2.
Shift to slower speed.
3. Allow grass to dry before
mowing.
4.
Level mower deck.
5.
Check tires for proper air
pressure.
6.
Replace/sharpen
blade.
Tighten
blade bolt.
7.
Clean
underside
of mower
housing.
8.
Replace
mower
drive belt.
9.
Reinstall
blades
sharp
edge
down.
10. Replace
with blades
listed
in this manual.
11 .Clean
around
mandrels
to
open vent holes.
1. Turn switch "ON".
2.
Replace
bulb(s)
or lamp(s).
3.
Check/replace
light switch.
4.
Check
wiring
and connec-
tions.
5.
Replace
fuse.
1. Replace battery.
2. Check/clean all connec-
tions.
3. Replace regulator.
4.
Replace
alternator.
1. Place freewheel
control in
=engaged"
position.
2.
Replace
motion drive belt.
13. Purge transmission.
.
Move throttle control to
"SLOW"
position and allow
to idle for 30 seconds before
stopping engine.
32

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