9
Fasten Rail to Opener and Install Chain
Remove four washered bolts (1) from top of opener.
Place rail (2) on opener, flush with stop (3) on top of
opener. Wrap chain (4) over sprocket (5). Push idler
pulley bracket assembly toward front of the rail to
eliminate excess slack in chain. Align bolt holes on
brackets (6) with bolt holes on opener. Secure
brackets to opener with previously removed bolts.
Tighten bolts securely.
The opener sprocket teeth must engage the
chain.
CAUTION: Use
only
those
bolts
mounted in the top of opener. Use of
any other bolts will cause serious
damage to opener.
4
7
6
3
Attach Sprocket Cover
Place sprocket cover (1) on top of the opener
(2), secure with screws (3). Insert bolt (4) into
trolley stop hole (5), secure with washer (6) and
nut (7).
6
6
1
3
2
8
Attach Trolley to Rail
Slide outer trolley (1) into back (opener) end of the rail assembly (2),
be sure end with trolley release arm (3) is heading in direction of
opener. Slide outer trolley down rail until it engages with inner trolley.
10