7
STEP 2
TIGHTEN THE CHAIN
STEP 3
FASTEN RAIL TO OPERATOR
36 - 38mm
(1)
(3)
(4)
(2)
M8 Screws
Note: The spring must be able to compress and bounce during
operation. Final tensioning can be performed after installation if
necessary. Over tightening the chain may overload the system and
cause excessive wear.
1. Tension the chain by adjusting the nut (1), on the pulley assembly,
clockwise until the spring is engaged.
2. Continue tightening to compress the spring and remove all the
slack in the chain. DO NOT OVERTIGHTEN but ensure chain is firm.
3. Adjust the spring to 36-38 mm as indicated in the diagram.
1. If using the hanging brackets to mount to ceiling, slide 1 x
M8 hex head screw into either side of the rail (1). Slide
screws 300mm from end of rail.
2. Position the rail drive sprocket (inside the rail) over the
operator motor shaft (2) and push down to install. Ensure
motor shaft adaptor (3) is in place.
3. Secure the rail on the operator with the Operator Mounting
Bracket (4) using ST6,3 x 18 mm screws.
This completes the assembly of the door operator to the rail.
STEP 1
CONNECT RAIL TO OPERATOR
Your door operator and rail are packed in two separate cartons. Remove the operator, rail and all the hardware in preparation for
assembly. The chain is pretensioned from the factory, however, it is advisable to check the tension and adjust if necessary as outlined in
step 2.
INSTALLATION
WARNING
Before beginning installation of the operator
check the door is in good mechanical condition,
opens and closes properly and correctly balanced
