Remove fasteners from top of motor unit, Attach rail to motor unit, Attach chain spreader – Chamberlain POWERDRIVE PD610D User Manual
Page 7: Run cable through cut-out window, Install idler pulley, Attach cable to front of trolley, Warning caution caution warning warning

7
Attach Chain Spreader
Cable Loop
A2
Chain and Cable Do NOT remove
Chain/Cable
from box
B2
Lock Washer
B7
Nut
B5
Idler Bolt
Pulley
Rail
Bolt
Nut
Washer
Cable Loop
A12
Idler Pulley
A2
Chain
and Cable
ALL HARDWARE SHOWN ACTUAL SIZE
To avoid serious damage to opener, ONLY use bolts/fasteners
mounted in top of motor unit.
WARNING
CAUTION
CAUTION
WARNING
WARNING
Cable
Loop
B4
Master Link
Clip-On Spring
B4
Master
Link Bar
A2
Chain and Cable
Do NOT remove
Chain/Cable
from box
B4
Master Link
Attach Cable to Front
of Trolley
Run Cable Through
Cut-Out Window
Install Idler Pulley
A3
Chain
Spreader
Bolt
Bolt
Hex Screws
8-32x7/16"
B7
Nut
B2
Lock Washer
B3
Lock Nut
B5
Idler Bolt
2
3
4
5
6
7
Remove Fasteners from
Top of Motor Unit
Attach Rail to Motor Unit
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