Craftsman 139653000 garage door opener

User Manual - Page 6

For 139653000.

PDF File Manual, 24 pages, Download pdf file

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Assembly
Step 1
Open Rail Assembly Hardware Box
REMOVE SPROCKET COVER FROM OPERATOR: Place op-
erator on packing material to prevent scratching chassis cover.
Remove sprocket cover from top of chassis by unfastening
screw as illustrated. DO NOT REMOVE REVERSE SWITCH
COVER,
Reverse Switch Cover
Screw
Sprocket Cover
ASSEMBLE RAIL: Assemble the 3 Tee rail sections by the
numbers as illustrated. Square necks on carriage bolts must be
seated in square holes in sections t and 3. Place Tee rail on flat
surface during assembly,. THIS IS IMPORTANT!
TEE RAIL SECTION
N_-2
TEE RAIL SECTION
N£1
TEE RAIL SECTION
N£3
1/4 LOCK NUT (KEPS)
I/4 X I/2 CARRIAGE BOLT
SQUARE CARRIAGE BOLT HOLES
R_:LEASE
: LEVER
_SSEMBL_D
TROLLEY
Bolt section 1 to section 2, Use 1/4 inch by 1/2 inch carriage
bolts, and !/4 inch loci( nuts.
Join bolted sections 1 and 2 to section 3, Use 1/4 inch by 1/2
inch carriage bolts, and 1/4 inch lock nuts,
CAUTION: DO NOT tighten lock nuts until bolt necks are
seated in square holes,,
Step 3
ATTACH SPROCKET BRACKET: Connect the sprocket
bracket assembly to the assembFed Tee rail Use 3/8 inch by
7/8 inch screws, 3/8 inch lock washers and nuts as itlust[ated,
Tighten nuts and screws securely..
CAUTION: Make certain sprocket bracket assembly is aligned
straight with Tee rait,
Step 4
INSTALL TROLLEY ASSEMBLY: Slide the assembled trolley
onto the Tee rait as illustrated,
-6-
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