Chamberlain 1425E Owner's Manual page 14

ASSEMBLY STEP 4
For Sliding and Swinging Gates Only
Install the Chain/Cable
and Attach the Sprocket Cover
INSTALLING THE CHAIN/
CABLE
1. Pull the cable loop from the
carton and fasten it to the
trolley with a master link from
the hardware bag (Figure 1).
• Push pins of master link bar
through cable loop and hole
in front end of trolley.
• 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.
2. To prevent the trolley from jamming against the opener
during operation, position trolley 5 to 15 cm from the
stop hole as shown. Then dispense the chain around
the opener sprocket (Figure 1). Make sure the sprocket
teeth engage the chain.
3. Proceed around to the pulley bracket and forward to the
threaded trolley shaft.
4. Use the second master link to connect the chain to the
flat end of the shaft (Figure 1). Check to make sure the
chain is not twisted.
Install Chain
and Cable
in this Direction.
Leave Chain
& Cable
Inside Carton to
Prevent Kinking.
Keep Chain & Cable
Taut When Dispensing
Sprocket
Mounting
Plate
To avoid possible SERIOUS INJURY to fingers from moving
opener:
• ALWAYS keep hand clear of sprocket while operating opener.
• Securely attach sprocket cover BEFORE operating.
ATTACHING THE SPROCKET COVER
Position the sprocket cover over the motor unit sprocket
so the three holes in cover align with the three holes in
mounting plate. Attach with #8x3/8" hex screws provided.
Master Link
Clip-On Spring
Master
Link Cap
Flat End
of Trolley
Chain Link
Rail
Chain
Pin Notch
14
Figure 1
Master Link
Clip-On Spring
Master
Link Cap
Flat End of
Threaded Shaft
Master
Link
Pin
Pin Notch
Master Trolley
Link
Pin
Cable
Cable Loop