ASSEMBLY SECTION
6
36 - 38 mm
1
TIGHTEN THE CHAIN
3
4
5
2
A
1
X
Remove the foam transport lock (X)
1.Slide the RAIL BRACKET (1) onto the powerhead end of the
rail (A) around 200 mm.
2.Position the rail drive spocket (2) over the opener motor shaft
(3) and push down to install.
3.Secure the rail on the opener with two C-Rail brackets (4) and
the screws (5).
This completes the assembly of the door opener to the rail.
FASTEN RAIL TO OPENER
9
10
Your garage door opener and rail are packed in two separate cartons. Remove the Power Head, 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 9.
ASSEMBLING THE RAIL TO THE OPENER
8
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.
