Install The Belt And Attach The Belt Cap Retainer - Chamberlain WhisperDrive WD962KD Owner's Manual

ASSEMBLY STEP 4
install the Belt and A_tach the Belt Cap
Retainer
1. Pull the belt around the idler pulley and toward the
trolley, The ribbed side must contact the pulley.,
2, Hook the trolley connector into the retaining slot on the
trolley as shown,
3, With the trolley against the screwdriver, dispense the
remainder of the belt along the rail Iength toward the
motor unit and around the belt pulley., The belt pulley
teeth must engage the bell
4, Check to make sure the belt is not twisted and the
FLAT side of the trolley threaded shaft is facing the
rail,, Connect the trolley threaded shaft with the master
link, as illustrated:
• Push pins of master link bar through holes in end of
belt and trolley threaded shaft,,
o Push master link cap over pins and past pin notches.,
° Slide clip-on spring over cap and onto pin notches
until both pins are securely locked in place,
5. insert the trolley threaded shaft through the hole in the
trolley,, Be sure the belt is not twisted and the FLAT
side faces the rail,,
6. Hold the belt at the trolley shaft as you thread the
spring nut by hand onto the shaft until finger tight
against the trolley_ Do not use any tools,.
7. Remove the screwdriver.,
8, Position the belt cap retainer over the motor unit belt
pulley as shown and fasten to the mounting plate
with 8x3/8" hex screws provided,
Idler PulIey
To avoid possible SERIOUS iNJURYto fingers from moving
garagedoor opener:
- ALWAYSkeephand clear of belt pulleywhile
operatingopener,
• Securelyattach belt pulley cover BEFORE operating
HARDWARE SHOWN ACTUA L SIZE
Hax Screw 8x3,"8 °
Springrrrolley Nut
Master Unk
C!tp-On Spdng
Master Unk Cap
Retaining
Slot
Trolley
Conneclor
Hole
Pin ._'_
Nolch 1
Trolley Master
Threaded Link Bar
Shaft
8x3tS" Hex Screws
T
Bell Cap
Relatner
Motor Unit
_./Bell Pulley
Mounling
10