Craftsman 139.535006 - Manual (Page 7)

Assembly
STEP 2
Connect Trolley & Attach Chain Retainer Bracket
Asa temporary stop, inserta screwdriver into Tee
rail as shown. Slide the inner trolley onto the Tee
rail, as shovi/n, until it is firmly against the screw­
driver. Slide the outer trolley onto the Tee rail until it
partially engages the inner trolley and stops,
TO FULLY ENQAGE TROLLEY: With a hammer,
firmly tap the back end of outer trolley just below the
rail guide. Outer trolley must move forward to fully
engage inner trolley, Be careful to avoid damaging
trolley spring.
Attach inner nut, lock washer, chain retainer bracket
and outer nut to trolley shaft in the order shown. The
retainer bracket should be kept in the illustrated
position DO NOT TIGHTEN NUTS UNTIL STEP 5,
PAGE 9
STEPS
Attach Tee Rail to Opener Chassis
USE ONLY THOSE SCREWS MOUNTED
INTOPOFOPENERCHASSIS. FAILURE
TO DO SO WILL CAUSE SERIOUS DAM­
AGE TO THE DOOR OPENER,
PROCEDURE: Place opener chassis on packing
ma terial to protect cover. For convenience, place a
support under the cable pulley bracket.
Remove 5/16"-18x1/2" washered screws mounted
in top of opener chassis. Align holes in back end of
Tee rail with holes in opener chassis. Fasten the rail
to the chassis with washered screws previously
removed. CAUTION: USEONLYTHESESCRBWS!
Use of any other screws will cause serious dam­
age to door opener. Tighten screws securely
Insert a 5/16”-18x1/2" washered screw into the per­
manent stop hoie in the Tee rail back section as
shown. Tighten securely with a 5/16" nut
Nut
5/16"-18
Tee Rail
(Back Section)