Craftsman 28910 Operation Manual - Page 32

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TROUBLESHOOTING CHART: See appropriate section in manual unless directed to Sears service center PROBLEM Battery will not charge Loss of drive Engine "backfires" when turning engine "OFF" Engine dies when tractor is shifted into reverse CAUSE CORRECTION 1 Bad battery cell(s). 2 Poor cable connections. 1 Replace battery. 2 Check/clean all connections. 3 Faulty regulator (if so equipped). 3 Replace regulator. 4 Faulty alternator. 1 Freewheel control in "DISENGAGED" position. 2 Debris on steering plate (if equipped). 3 Motion drive belt worn, damaged, or broken. 4 Replace alternator. 1 Place freewheel control in "ENGAGED" position. 2 See "CLEANING" in the maintenance section. 3 Replace motion drive belt. 4 Air trapped in transmission during 4 Purge transmission. shipment or servicing. 5 Axle key missing. 5 Install axle key at rear wheel. See "TO REMOVE WHEEL" in the Service and Adjustments section. Engine throttle control not sel 1 between half and full speed (fast) position before stopping engine, Move throttle control between half and full speed (fast) position before stopping engine. 1 Reverse operation system (ROS) 1 Turn ignition key to ROS "ON" is not "ON" while mower or other position. See Operation section. attachment is engaged. 32

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TROUBLESHOOTING
CHART:
See
appropriate
section in
manual
unless directed
to
Sears service center
PROBLEM
CAUSE
CORRECTION
Battery
will
not
1
Bad battery cell(s).
1
Replace battery.
charge
2
Poor cable connections.
2
Check/clean all connections.
Loss of
drive
3
Faulty
regulator
(if so equipped).
4
Faulty
alternator.
1
Freewheel
control
in
"DISENGAGED"
position.
2
Debris
on steering
plate
(if
equipped).
3
Motion
drive
belt worn,
damaged,
or broken.
3
Replace
regulator.
4
Replace
alternator.
1
Place
freewheel
control
in
"ENGAGED"
position.
2
See
"CLEANING"
in the
maintenance
section.
3
Replace
motion
drive
belt.
4
Air trapped
in transmission
during
4
Purge
transmission.
shipment
or servicing.
5
Axle
key missing.
5
Install axle key at rear wheel. See
"TO REMOVE WHEEL"
in the
Service and Adjustments section.
Engine
"backfires"
when
turning
engine
"OFF"
Engine
throttle
control
not
sel
1
Move
throttle
control
between
between
half
and full
speed
(fast)
half and full
speed
(fast)
position
position
before
stopping
engine,
before
stopping
engine.
Engine
dies
when
1
Reverse operation system
(ROS)
1
Turn ignition key to ROS "ON"
tractor
is shifted
is not "ON" while mower or other
position. See Operation section.
into
reverse
attachment is engaged.
32