For Hollow Counterbalance Door Shaft:
1) Use non-threaded hole in door shaft sprocket as a guide and
drill a 3/8” diameter hole through one side of the door shaft.
Fig. 6A.
2) Insert clevis pin through sprocket and shaft to hold sprocket
in position.
3) Drill through opposite side of shaft to obtain proper hole
alignment. Fig. 6B.
4) Insert clevis pin through both holes and secure with cotter pin.
Fig. 6C.
For Solid Counterbalance Door Shaft:
1) Insert key into door shaft keyway.
2) Slide sprocket into place and secure with set screws.
To Complete the Installation:
If needed, realign operator sprocket with door sprocket. If you have
excessive door shaft movement, an optional chain tension plate is
available. Fig. 7, pg 4.6.
Chain Couple (continued)
SPROCKET HUB
DRILL HOLE
IN THIS SIDE
OF SHAFT
DRILL HOLE IN
OPPOSITE SIDE
OF SHAFT
DOOR SHAFT
(TUBE)
DOOR SHAFT
(TUBE)
CLEVIS PIN
CLEVIS PIN
COTTER PIN
DOOR SHAFT
(TUBE)
Figure 6A
Figure 6B
Figure 6C
4.5
www.geniecompany.com
01-14
Содержание GCL-J&H 1/2HP
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