Manual

One Piece Door Installations
Step 8
SET OPENER LIMITS: (1) Using the radio controls,
run trolley back to the "up" limit near motor end of
unit, Disconnect electric power, Remove 4 cover
screws and slide cover forward from chassis as
illustrated_
(2) Adjustments are made by turning large plastic
limit nuts up or down a threaded shaft just behind the
motor (see illustration), The limit nut retaining brack-
et which holds the nuts in place must be loosened be-
fore nuts can be turned°
CAUTION: Do not run opener before limit nut brack-
et is secured in original position_
• The top nut controls closing limits,
• The bottom nut controls opening limits.
= One turn of limit nut equals 3 inches of trolley
travel,
• All adjustments require complete turns,,
TO MAKE ADJUSTMENTS: Loosen limit nut bracket
screw, Slide bracket to left,.
(3) Reset top nut (down limit) 6 turns to right
(counterclockwise)..
Reset bottom nut (up limit) 3 turns to left
(clockwise),
Slide limit nut bracket to right and tighten
screw,,
Replace chassis cover,,
Reconnect power.
CAUTION:After an adjustment, the motor wilt run
when power is turned on,.
Step 9
_TO'REMOVE
COVER
O
LIMIT
SCREW/ NUT
RETAINER
BRACKET
0
SCREW _-20
TURN NUT ONE COMPLETE
REVOLUTION FOR 3'* OF
TROLLEY TRAVEL
PLASTIC
NUT
SHAFT
OOWN
L_MIT
CONNECT DOOR ARM: Thread one end of nylon
cord through red handle and secure with knot. Thread
other end through hole in release arm of trolley. Se-
cure with knot,, Remove plastic carrying strap from
straight door arm.,
Using 3/8 inch clevis pin, connect one end of
straight door arm and door bracket. Secure with cot-
ter pin, Use other 3/8 inch clevis pin to connect short
end of curved door arm to tro!ley,, Secure with cotter
pin..
Close the door tight, Bring the two door' arm sec-
tions together,. Bolt the sections if the holes line up,.
Use 3/8 inch by 7/8 inch bolts, and 3/8 inch lock
washers and nuts, Select bolt holes as far apart as pos-
sible to increase door arm rigidity, DO NOT USE
MORE THAN ONE SLOTTED HOLE
If the door arm holes do not line up to permit
bolting, follow the instructions in Step 13, Page 10.
CAUTION: If the door opener is installed on a door
with a height greater than 6 feet, the "UP"
limit must be adjusted.
5/16"
LOCK
WASHER
5tl 6"
CARRIAGE
BOLT
5t16" ,318""NUT
NUT
WASHER _//_
/
/ /
3/8" BOLT
-16 -