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rHE TRILLEr AND TDLER puLLEy
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.
lnemovr
cHAtN spRocKET covER AND tNsrALL THE cHAtN
. 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.
I
Tighten 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. tiqhten the lock nuts.
lor doo6 2 5io3m or one
ple@ doors withoui tEck
Connecting the chain
Lock nut
Rotate adjuster Lock nut
opposite side of pole
6
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