Install Chain/Cable; Attach Sprocket Cover - MasterMechanic 622-2MM Owner's Manual

622-2mm 1/2hp mastermechanic
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Assembly Step 4
Install the Chain/Cable
& Attach the Sprocket Cover
Dispensing Carton
Keep Chain and Cable
Taut When Dispensing
• Detach the cable loop from the carton and fasten it
to the trolley with a master link from the hardware
bag. See master link procedure, Figure 1.
• With the trolley against the screwdriver, dispense
the cable around the pulley.
• Proceed back around the opener sprocket,
eep Chain and Cable
Figure 2. Be sure sprocket teeth engage the chain.
aut When Dispensing
Continue forward to the trolley threaded shaft,
Figure 3.
• Use the second master link to connect the
chain to the flat end of the shaft. Check to
make sure the chain is not twisted.
• Remove the screwdriver.
Install Chain and Cable
In This Direction
Sprocket
Cover
Front Tab Slot
Mounting
Plate
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
Cable
Loop
Cable
Pulley
Back Tab Slot
Top of Opener
Serious injury can result if fingers become
entangled in moving opener sprocket. Attach
sprocket cover securely. Never operate opener
while your hand is near the opener sprocket.
Figure 2
Clip-On Spring
Master Link
Clip-On Spring
Flat End of Trolley
Threaded Shaft
Master
Link Cap
Trolley
Master
Link Bar
Master Link Procedure:
Push pins of master link bar through
cable loop and hole in front end of
trolley. Push cap over pins and past
notches. Slide clip-on spring over cap
and into notches until both pins are
securely locked.
To attach the sprocket cover:
• Insert the back tab in the opener slot. Squeeze the
cover slightly and insert the front tab in the slot on
the mounting plate.
10
WARNING
Opener
Sprocket
Figure 3
Master Link
Master
Link Cap
T-rail
Pin Notch
Pin
Figure 1
Chain

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