16
STEP 15: HEAD STOPS
►Slide headstop from outside of each guide.
►Secure each headstop to guide with a
3/8" - 16 x 1/2" hex bolt and a 3/8" lock washer.
HEAD STOP HOLDER
3
8" LOCK WASHER
3
8" - 16 X
1
2" HEX BOLT
COMMERCIAL
HEAD STOP
STEP 16: SLIDE LOCK AND STEP PLATE
►Transfer the 1/4" - 20 x1/2" carriage bolts and 1/4"- 20 serrated flange hex nut that were removed
from both end of bottom bar two the two holes at the center of the bottom bar and angle.
►Lower bottom bar and install slide lock and step plate using (2) 1/4" - 20 x 1" hex bolts, (2) 5/16" - 18 hex nuts,
(2)
1/4"
flat washers and (2) 1/4" - 20 nylon insert hex nuts. Do this at both ends of bottom bar.
See figure 22.
►For push-up operation only, install rope in one of the holes at the center of the horizontal leg of the
bottom bar angle.
FIGURE 21:
HEAD STOPS
FIGURE 22:
SLIDE LOCK & STEP PLATE
(2)
1
4" x 1" HEX HEAD BOLT
SLIDE LOCK
(2)
5
16" HEX NUT (USED AS SLIDE SPACER)
STEP PLATE
(2)
1
4" FLAT WASHER
(2)
1
4" X 20 NYLON INSERT HEX NUT
STEP 17: POSITION DOOR
►Fully open door.
►At both ends of the door, slightly loosen the 3/8" - 3/4" hex bolts that fasten the tensioner assembly, axle support, and
ch
ain hoist to brackets.
►Push door assembly toward header leaving enough room for door to rotate freely. Each end of door to be an equal
di
stance from the header. Curtain is to be centered in opening.
►Tighten securely all 3/8" - 16 x 3/4" hex head bolts loosened in above step.
►Tighten all 3/8" -16 square head setscrews in tensioner and axle support at both ends of door.
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