Chamberlain 3453135556 manual Open Green Parts BAG, Attach boom to power head

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).

[ ]1/4"-20 x 5/8"	[10]
9	1/4"-20

OPEN GREEN PARTS BAG

carriage slide

magnet

FIG. 1-3 Slip carriage slide into boom.

9

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

FIG. 1-4 Attach boom to power head.

twist tie on tag. (Fig. 1-5 inset B).

B

wire

twist

tie

overhand knot

A

FIG. 1-5 Attach emergency release cord & tag.