Craftsman 28928 - YT 4000 24hp 46" Yard Tractor Operator's Manual page 31

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.
3 Faulty regulator (if so equipped). 3 Replace regulator.
4 Faulty alternator. 4 Replace alternator.
Loss of drive
1 Freewheel control in "disengaged" 1 Place freewheel control in
position. "engaged" position.
2 Motion drive belt worn, damaged, 2 Replace motion drive belt.
or broken.
3 Air trapped in transmission 3 Purge transmission.
during shipment or servicing.
Engine "backfires"
1 Engine throttle control not set 1 Move throttlecontrol between
when turning
between half and full speed (fast) half and full speed (fast) position
engine "OFF"
position before stopping engine, before stopping engine.
Engine dies when 1
tractor is shifted
into reverse
Reverse operation system (ROS)
is not "ON" while mower or other
attachment is engaged.
1 Turn ignition key to ROS "ON"
position. See Operation section.
B
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