Assembly - Merlin Commander Essential my Q capable MS65MYQ Installation And Operating Instructions Manual

TIGHTEN THE BELT
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 belt may overload the system and cause
excessive wear.
1. Tension the belt 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 belt. DO NOT OVERTIGHTEN but ensure belt is firm.
3. 36-38 mm as indicated in the diagram is normal.
FASTEN RAIL TO OPENER
9
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)Note: Only use 18mm Screws (item 9 in Hardware Provided -
Section 5).
ASSEMBLY SECTION
7
36 - 38 mm
1
1
5
2
A
4
3