7
To Connect and Tension the Chain
Follow steps shown in Fig.1 to connect & tighten the chain:
1.
2.
3. After the chain is connected
properly,
attach the Sprocket
Cover to the opener with the self-thread screw provided.
!
WARNING
To prevent SERIOUS INJURY:
- DO NOT connect power until instructed.
- Keep hands and fingers clear from sprocket during operation.
- Wear gloves when installing chain/belt and cable.
- Keep hands and fingers away from joints and possible sharp edges.
Screw # 8x3/8”
3
4
Tighten until...
Chain to Cable Connector
5
6
Tighten nut
Flange Nut
Installing the Chain
1
Master Link
Link Cap
Spring Clip
Cable Eyelet
2
Open end of chain
Base of Rail
1/4” (6mm)
Mid-point of rail assembly
Chain
Top of Rail
Actual Size
x 1
!
THE SPROCKET COVER MUST BE
SECURELY INSTALLED!
!
4. With the trolley positioned against the screwdriver, pull the
remaining chain straight along the rail and engage chain
teeth around the sprocket. (Make sure the chain is not twisted
around the rail.
)
5. Rotate the Shaft Linker towards the Trolley Shaft until the
chain is slightly loose about 1/4” (6mm) above the base of the
rail, referring to the actual-sized illustration below.
6. Tighten the Flange Nut on Trolley Shaft against the
Chain to Cable Connector.
7.
Remove the temporary screw driver holding the position of
the trolley.
