Specifications

Insert Chain/Belt into Rail &

Assemble Header Sleeve

Slide pulley bracket (1) and inner trolley (2) into back

(opener end) of rail assembly (3), be sure to insert

pulley bracket as shown with arrow (4) pointing

toward front (header end) of rail (5). Push bracket

toward front (header end ) of rail (5). Insert carriage

bolt (6) through header sleeve bracket (7). Loosely

thread spring nut (8) and flat washer (9) onto

carriage bolt. Insert carriage bolt (6) of header

sleeve assembly (7) into bold cut out in pulley

bracket (1). Slide header sleeve assembly (7) on to

front (header end) of rail (10).

Attach Trolley to Rail

Slide outer trolley (1) into back (opener) end of the rail

assembly (2), be sure end with trolley release arm (3)

is heading in direction of opener. Slide outer trolley

down rail until it engages with inner trolley.

Fasten Rail to Opener and Install Chain/Belt

Holding chain (4) and belt (5) out of the way, slide rail (1) onto shim (2) until rail is secure. Take the chain/belt and wrap it

around the sprocket (3). Make sure the teeth on the sprocket have engaged the chain/belt.

Attach Sprocket Cover

Place sprocket cover (1) on top of the

opener (2), secure with screws (3).

Assemble Header Sleeve

Thread spring nut on carriage bolt until finger tight. Insert a

screwdriver tip (1) into one of the slots of the nut ring (2) and brace it

firmly against the header sleeve. Place an open end wrench (3) on

the square end of the spring nut (4), slightly rotate nut about 1/4 turn

clockwise until nut ring (2) is released against header sleeve (5). This

sets spring to optimum chain tension. Chain may slip off sprocket if

chain/belt is too loose. If chain does slip re-tighten spring nut by turing

nut clockwise 1/2 turn. Do NOT overtighten chain/belt.