User Guide

4
4. Place drive sprocket on the appropriate side of
the operator. Do not insert the key at this time.
5. Join roller chain ends together with master link.
6. Raise operator to approximate mounting position
and position chain over door and operator
sprockets.
7. Raise or lower operator until the chain is taut (not
tight). Make sure the operator output shaft is
parallel to door shaft and sprockets are aligned.
When in position, secure the operator to wall or
mounting bracket.
8. Hand chain wheel is factory installed. To change
position to opposite side of operator, remove E-
ring, chain guide, hand chain wheel and re-install
on operator in reverse order of disassembly.
Place hand chain around hand chain wheel. Be
sure to pass it through both openings in the chain
guide. Remove enough links so chain hangs
approximately two feet above the floor.
9. Uncoil emergency operating cable assembly and
mount the chain keeper bracket to the wall of the
building four feet above the floor, using two 1/4"
dia. bolts.
10. Insert cable assembly into bracket (Figure 6) and
remove slack from the cable by sliding spacer,
handle and set collar up the cable until spacer
touches underside of bracket. Temporarily tighten
set screw in set collar.
11. Remove cable assembly from bracket and slide
spacer, handle and set collar up the cable for a
distance of 3"
+
1/4". Permanently tighten set
screw in set collar and cut off excess cable about
1/4" from collar.
12. To engage the gears for manual hand chain
operation, pull down on handle and insert chain
keeper into bracket (Figure 6).
NOTE: To maintain proper cable tension during
manual operation, the cable assembly must be
pre-tensioned. Refer to steps 11 and 12 above.
FIGURE 4
Installation of Operator to
Standard Rolling Steel Doors.
Chain Keeper
FIGURE 6
Handle
Spacer
Set Collar
4 Ft.
Above Floor
Cable
NOTE: Vertical installations are standard, as
shown in Figures 2, 3 and 4.
For horizontal mounting applications, relocate the
cable sheave bracket (Figure 5) before proceeding
with the cable assembly installation.
Position of cable sheave bracket for
HORIZONTAL mounting of operator.

Position of cable 
sheave bracket for 
VERTICAL (standard) 
mounting of operator.
FIGURE 5
Relocate bracket using existing hardware.