INSTRUCTIONS for ADJUSTING TENSION
of CANTILEVER
PROBLEM: Doors raise hard, but lower easily.
SOLUTION: 1. Back off (loosen) upper adjusting nuts (F) on both eyebolts (E) about two or three complete turns.
2. Tighten lower adjusting nuts (G) on both eyebolts (E) a complete turn.
3. Check door for easy operation. Adjust further, if necessary.
4. When adjustment is completed, tighten upper adjusting nuts (F) down against angle to lock in position. Check
both eyebolts.
PROBLEM: Doors raise easily, but lower hard.
SOLUTION: 1. Back off lower adjusting nuts (G) carefully, making sure there is still some thread on eyebolt available (both
eyebolts).
2. Check door for easy operation. Adjust further, if necessary.
3. When adjustment is complete, tighten upper adjusting nuts (F) down against angle to lock in position. Check
both eyebolts.
PROBLEM: Doors sticking, or are hard to move up and down.
SOLUTION: 1. Raise doors.
2. Clean inside door channels on machine with a good cleaning compound. It may be necessary to remove
doors to completely clean channel. If so, remove only one door at a time. Make sure cantilever has stop to
prevent pulling other door up and out of channel. If it does not have stop, secure cantilever arm to machine
with doors in the closed position.
3. Build up should be completely removed so it may be necessary to
use
an abrasive pad (non-metallic) to clean.
4. While you have the door out of channel, make sure it is not dented
or
crooked. If channel is crooked or
dented, use
1/2
"
wide block to spread to proper opening.
5. Clean nylatron runners on the doors or replace nylatron, if excessively worn. See instructions on door runners.
6. Check door channels on machine for evenness and burrs.
7. After replacing doors, check for proper operation by raising and lowering with cantilever.
PROBLEM: One side of door higher than other and does not close completely.
SOLUTION: 1. Straighten cantilever arm.
2. This can sometimes be accomplished while arm is on machine by forcing down on the arm connected to the
high door while the other side of the cantilever is pulled up.
3. If step two cannot be accomplished on machine, cantilever will have to be removed and straightened.
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Summary of Contents for 100 B/PRB
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