Kit available separately, P/N 111005.0001.S for 1" door shaft. 111005.0002.S for 1
1
/4" door shaft.
Installation of optional chain spreader bracket: Fig 7A & 7B
1) Place drive chain sprocket and bearing plate assembly on door
shaft as shown.
2) Place bearing plate assembly and sprocket on operator shaft
as shown.
3) Install door and operator sprockets and chain assembly as
described in preceding instructions. See page 4.4.
4) Install bolts and nuts through plates. Do not tighten.
5) Tension chain by raising or lowering the operator as needed.
Tighten operator mounting bolts.
6) Align sprockets to achieve a 90° angle between the chain and
the shafts. Tighten all set screws.
7) Tighten Tension Plate bolts.
Chain Couple (continued)
(Tension Plate Kit)
DOOR SHAFT
SPROCKET
DOOR SHAFT
CHAIN
CHAIN
TENSION
PLATE
OPERATOR
OUTPUT
SHAFT
KEY
SET SCREW
OPERATOR
SHAFT
SPROCKET
COTTER PIN
CLEVIS PIN
HOLLOW COUNTERBALANCE
DOOR SHAFT
Figure 7B
OPERATOR
SHAFT
DOOR
SHAFT
90°
Figure 7A
DOOR SHAFT
SPROCKET
DOOR SHAFT
KEY
SET SCREW
CHAIN
SET SCREW
CHAIN
TENSION
PLATE
OPERATOR
OUTPUT
SHAFT
KEY
SET SCREW
OPERATOR
SHAFT
SPROCKET
SOLID COUNTERBALANCE
DOOR SHAFT
4.6
www.geniecompany.com 01-14
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