5
Slide the trolley assembly (1) onto the pole (3) taking
note of the door direction arrow (fig 1). The trolley
should be located midway along the pole.
Insert the pole (3) into the idler pulley (2) end as
illustrated.
DOOR
132A2
605-1
1
2
3
7
8
15 Tooth Sprocket
for doors 2.5 to 3m or one
piece doors without track
20 Tooth Sprocket
for sectional doors
300-500mm
• Remove the sprocket cover from the opener and
wrap the chain around the desired chain sprocket.
NOTE: The large sprocket may be used for door
types A and B, the smaller drive sprocket MUST
be used for door type C.
• Run the chain through the trolley as illustrated and
join using the chain connector. Ensure the connec-
tor is located 300 to 500mm from the opener.
Connecting the chain
Rotate adjuster Lock nut
Lock nut
NOTE: Trolley shuttle located on
opposite side of pole
T
ighten the chain:
Once the chain has been installed, join the two ends
together using the connector. Rotate the adjuster until the
chain has no slack.
DO NOT OVER TIGHTEN!
Once the chain has been tensioned, tighten the lock nuts.
INSTALL THE TROLLEY AND IDLER PULLEY
REMOVE CHAIN SPROCKET COVER AND INSTALL THE CHAIN
Fig. 1
