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I
ASSEMBLY STEP 4
insta// theBe/tand AttachtheBe/t Cap
Retainer
1, Pullthe bdt around the idler puiiey and toward the
trolley. Theribbed side must contact thepulley.
2. Hook thetrolley 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 length toward the
motor unit and around the belt pulley. The belt pufley
teethmust engage the belt,
4. Checkto make surethe belt is not twisted. Connect
thetrolley threadedshaft with the master link, as
itIustrated:
• Push pins of master link bar through holes in endof
belt andtrolley threaded shaft.
- Push master link cap over pins and past pin
notches,
, Slide clip-on spring over cap and onto pin notches
until both pinsare secureIy locked in place.
5. Insert the trolley threadedshaft through the hole in the
trolley. Be sure the belt is not twisted.
6. Hold the belt at the trolley shaft as you thread the
spring nut by handonto the shaft untiI finger tight
against thetrolley. Donot useany tools,
7. Removethe screwdriver.
8, Position the be_tcap retainer over the motor unit belt
puIleyas shown andfasten to the mounting platewith
8x3/8" hex screws provided.
To avoid possibIe SERIOUSiNJURYto fingers from
moving garagedoor opener:
• ALWAYS keep handclear of sprocket while
operating opener,
• Securetyattach sprocketcover BEFOREoperating.
HARDWARESHOWNACTUALSIZE
HexScrew8x3/8° Spring/TrolleyNut
Master Link
Clip-On Spring
Master Link Cap
idler PuIIey
Spdng Nut
Trolley
Connector
Notch
Trolley Master
Threaded Link Bar
Shaft
Retaining
Slot _ Hex Screws
Belt Cap_ #8x3t8"
Retainer _l_J_l Motor Unit
,_ Sprocket
10
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