MOUNTING THE OPERATOR:
1.Getting Started.
•Position rail/power head assembly (Fig.
–Rail strap leaning on wall next to header bracket.
–Place material on floor under power head to protect from scratching. (A box, stool, or similar device may be needed to clear a torsion spring, as shown.)
2.Mounting the assembly.
•Attach rail strap to header bracket using nut (47) (Fig.
[47]
FIG. 2-7 Position assembly.
HEADER BRACKET
13
•Support power head on
NOTE: Before final attachment to ceiling, insure that assembly is in proper alignment (Fig.
• Attach mounting straps to ceiling using lag |
bolts (22) (Fig. |
• Set height of power head according to following: |
– Track guided doors. |
a. Rail must clear door at highest point of travel |
b. Be level or, power head slightly below level. |
– Trackless doors. |
90°
NO
YES |
DOOR
VIEW FROM ABOVE
(not to scale)
NO
a. Rail must clear door at highest point of travel |
by 1" to |
• Securely tighten power head mounting bolts (46) |
and nuts (47). |
• Lower door. |
• Fully tighten rail strap nut. |
• DO NOT PLUG UNIT IN YET! |
3. Adjusting length of emergency release cord. |
• Check emergency release knob height. |
– Low enough you can reach it. |
– High enough to clear your vehicle, but |
NO HIGHER THAN 6 FEET ABOVE FLOOR. |
• Tie a new overhand knot where desired. |
– Cut off any extra cord. |
[22]
1/4" x 2"
[46][47]
FIG. 2-9 Operator must be aligned.
ANGLE IRON ON FINISHED CEILING | |
| DRYWALL |
Attach angle iron to beams | |
UNFINISHED OR OPEN BEAM | |
Extra framing | [22] |
not needed |
|
Mounting Straps | |
[22] |
|
[46 & 47] | [46 & 47] |
| |
| Extra framing |
| NEEDED |