Craftsman 917.28812 Operator's Manual page 34

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Loss of drive
CAUSE CORRECTION
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 sel 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
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.
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