Owner's Manual

Medium Duty Operator
GCL-MT
4.8
www.geniecompany.com 08-12
1) Pull down on the drawbar arm locking sleeve and attach to
carriage.
2) Position the door bracket on the door as shown in Fig. 11,
with mounting holes on the door centerline. (Even with or
above top door roller).
3) Fasten the door bracket to the door using two
1/4" -20 X 2-1/4" carriage bolts and nuts for wood doors.
Use 1/4"- 20 self tapping sheet metal screws for metal doors.
Or as recommended by the door manufacturer.
4) Use two (2) 3/8" -16 X 7/8" bolts and nuts to attach the
door curved door arm to the straight drawbar arm.
NOTE: Use the set of holes that align the drawbar in a near vertical
position for operators without a brake
. Set arms at a 20-30 degree
rearward angle for operators with a brake.
For units without a brake, set arms as close to 0 degrees as possible.
Fig. 12.
NOTE: If the door strut interferes with the mounting of the door
bracket, position the door bracket below the strut. DO NOT, in any way,
cut or modify the strut.
Connection to the Door
FRONT SPREADER
BRACKET
TRACK
CARRIAGE
STRUT
DRAWBAR ARM (STRAIGHT)
RELEASE CORD
3/8"-16 X 7/8" HEX HEAD BOLTS
WITH 3/8" - 16 FLANGE NUTS
DRAWBAR ARM (CURVED)
DOOR BRACKET
1 -5/8" (REF.)
CLEVIS/COTTER
PIN
DOOR
BRACKET
ATTACH TO DOOR WITH
1/4" -20 X 2 -1/4"
CARRIAGE BOLTS
W/NUTS
(OR AS RECOMMENDED
BY DOOR
MANUFACTURER)
Door Center Line
Top Door Roller
Figure 12
Figure 11