Craftsman 28910 - Lt 2000 20 HP 42" Lawn Tractor Operation Manual page 32

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.
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