Merlin MT5580P Installation And Operating Instructions Manual page 7

11
INSTALL THE CHAIN
1
Fitting the Chain:
Wrap the chain around the idler pulley (1) and desired drive sprocket (as illustrated in fig 1 and 2 below),
ensuring the chain passes through the trolley assembly (3).
NOTE: Locate the chain connector (2) as illustrated above approximately 300mm from the Idler
pulley.
Additional Step for 2750mm Pole
All Chain kits supplied are for 3000mm poles. You will need
to remove the pre-measured section of chain for use with the
2750mm pole option.
Locate the two removable links and remove the section of
chain between them. Once the section of chain has been
removed use one of the joiners to re-join the shortened
chain assembly.
6 Tooth Sprocket for Tilt and larger doors
Chain Spreader
Connecting the chain
Lock nut
Rotate adjuster
2
fig 1
6-Tooth
Sprocket
Motor Unit
Mounting Plate
Lock nut
7
8 Tooth Sprocket for higher speed operation
Chain Spreader
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, tighten the
lock nuts.
3
fig 2
8-Tooth
Sprocket
Motor Unit
Mounting Plate