Chamberlain Series OCG Installation Manual page 9

3. Attach boom to power head.
• Place boom in front of power head with boom strap
at opposite end.
• Support door end of boom (boom strap) at about
same height as power head.
– Check if magnet is in place (Fig. 1-3 inset). Insert
carriage slide into boom (Fig. 1-3). (Carriage slide
is long straight piece attached to chain.)
– Pull boom toward you as you feed chain into it.
(Fig. 1-3). When the end of the boom is within
about 2 chain links of the power head, you can
then push it the rest of the way. (It is a snug fit.)
– Securely fasten with 2 bolts (9) and nuts (10)
(Fig. 1-4).
[ 9 ] 1/4"-20 x 5/8"
OPEN GREEN PARTS BAG
4. Attach emergency release cord, knob and tag.
• Tie overhand knot in 1 end of cord. Tighten knot.
(FIG. 1-5 inset A).
– Slip opposite (no knot) end through knob.
– Slip through hole in emergency release lever
(Fig. 1-5).
– Tie overhand knot in this end also. Tighten knot.
5. Attach emergency release tag.
• Attach to hole in emergency release using metal
twist tie on tag. (Fig. 1-5 inset B).
carriage slide
magnet
[ 10 ]
1/4"-20 FIG. 1-3 Slip carriage slide into boom
FIG. 1-4 Attach boom to power head
B
wire
twist
tie
FIG. 1-5 Attach emergency release cord & tag
.
.
overhand knot
A
.
9