Genie 2024, 2042, 2022 manual Assembly for Chain Drive Opener

POWER HEAD & RAIL ASSEMBLY

Assembly for CHAIN DRIVE OPENER

NOTE: Handle carefully! Drive chain can slide out of rail.

NOTE: For power head and rail assembly locate Bag 1 from Box 1.

NOTE: Copy serial number from power head frame and record it on warranty page.

1.Attach rail assembly to power head by aligning the sprocket onto the motor shaft. Use (3) bolts, 5/16 -18 x 1/2" (Fig. 1-5).

2.Tighten the chain by turning the adjustment nut clockwise. The chain adjustment nut is located in the Chain Pulley Bracket (opposite rail end from the power head) (Fig. 1-6).

3.Tighten chain until chain is approximately 1/8 inch above the base of the rail at midpoint on the rail (Fig. 1-6). Do NOT over tighten chain.

CAUTION

You should have removed all ropes and/or cables (NOT door lift cables) and disabled the door lock already. If you have not, remove all ropes and/or cables and disable garage door lock NOW before continuing with installation (Fig. 1-8).

Set assembled power head and rail aside. Begin with Section 2 INSTALLATION.

Assembly for BELT DRIVE OPENER

NOTE: For power head and rail assembly locate Bag 1 from Box 1.

NOTE: Copy serial number from power head frame and record it on warranty page.

1.Attach rail assembly to power head by aligning the sprocket onto the motor shaft. Use (3) bolts, 5/16 -18 x 1/2" (Fig. 1-5).

2.Tighten the belt by turning the adjustment nut clockwise. The belt adjustment nut is located in the Belt Pulley Bracket (opposite rail end from the power head) (Fig. 1-7).

3.Tighten belt until belt is approximately 1/8 inch above the base of the rail at midpoint on the rail (Fig. 1-7). Do NOT over tighten belt.

CAUTION

You should have removed all ropes and/or cables (NOT door lift cables) and disabled the door lock already. If you have not, remove all ropes and/or cables and disable garage door lock NOW before continuing with installation (Fig. 1-8).

Set assembled power head and rail aside. Begin with Section 2 INSTALLATION.

Use

5/16"-18 x 1/2" Bolts

FIG. 1-5 Rail - Power head assembly.

	Chain Pulley Bracket (at wall end of rail)
	Use 1/2" socket
	on adjustment nut
	Tighten nut to move pulley this direction
	Chain
	Chain
	1/8"
	T-Rail at center of rail assembly	T-Rail
FIG. 1-6	Chain adjustment.

	Belt Pulley Bracket (at wall end of rail)
	Use 1/2" socket
	on adjustment nut
	Tighten nut to move pulley this direction
	Belt
	Belt
	1/8"
	T-Rail at center of rail assembly	T-Rail
FIG. 1-7	Belt adjustment.

Remove

Remove

FIG. 1-8 Disable garage door lock.

PN 37026501206 01/27/2012 11