H&S Top Dog 1136 Operator's Manual page 19

OPERATION
BARN DOORS - OPTIONAL
Top Dog.
Barn doors are optional on the
Latches for the doors are located at the
bottom center of the rear doors.
These latches lock in the main apron
chain of the rear drive shaft to hold
doors closed when loading. When the
hydraulics are activated, the main
aprons turn, and the latches flip to open
allowing the rear door to swing free.
Upon completion of unloading, activate
the switch for the rear door air cylinders
to close.
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