TM 9-4910-692-14&P
ELECTRICALLY OPERATED DRIVE SYSTEM
Following instructions apply to all units equipped with the Electrically Operated Drive System. The system
varies with gear reducer and/or motor size depending on the application. The operation remains the
same.
1.
INSTALLATION CHECKOUT
1.1. Operate platform elevator by moving Reversing Switch up or down. Place switch in center position to stop
elevator motor. Apply foot brake to stop all elevator platform movement.
IMPORTANT:
The brake and limit switch will automatically stop the platform when it reaches the extreme upper
or lower safe travel point. To release brake first move reversing switch to opposite position and
then raise brake rod upwards with toe.
CAUTION
DO NOT REVERSE DIRECTION OF ELEVATOR BEFORE ELEVATOR HAS STOPPED.
SUDDEN REVERSING MAY CAUSE DAMAGE.
2.
CORRECTIVE MAINTENANCE (Refer to Drawing Electrically Operated Drive System)
2.1.
Leveling Elevator Platform
2.1.1.
Loosen cable holder bolt on highest end of platform. Loosen very slightly so that it will move only when
tapped with a hammer. Tap platform downward with hammer until platform is level and retighten cable
holder bolt. It is not necessary to reset elevator up and down travel limits after minor leveling.
2.2
Replacing Elevator Cable (Use Stainless Steel Cable)
2.2.1.
Test and Repair Benches Only.
2.2.1.1.
Raise elevator platform several inches above top edge of tank and place two boards
across top of tank underneath elevator platform. This prevents platform from falling after
cable is detached.
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