All One-Piece D Oors - Craftsman 139.53919D Manual Del Propietário

ALL ONE-PIECE D OORS
1. Assemble the Door Arm:
• Fasten the straight and curved door arm sections
together to the longest possible length (with a 2
or 3 hole overlap).
• Make sure the garage door is fully closed.
Connect the straight door arm section to the door
bracket with the 5/16"xl-1/4" clevis pin.
• Secure with a ring fastener.
• Pull the emergency release handle,
disconnecting the outer trolley from the inner
trolley by pulling straight down on the emergency
release handle and sliding the outer trolley back
toward the motor unit.
• Connect the curved door arm section to the
trolley using the 5/16"xl-1/4" clevis pin and ring
fastener.
Door
Bracket
Clevis Pin
5/16"x1-1/4"
Straight
Arm
Ring
Fastener
Bolts
5/16"-18x7/8
Lock
Washers
5/16"
Nuts
Curved
Door Arm
NOTE: Adjusting the limits on the following page:
• The trolley will automatically connecL If not,
review the trolley lockout feature on page 31.
• When setting the up limit on the following page,
the door should not have a "backward" slant
when fully open as illustrated below. A slight
backward slant will cause unnecessary bucking
and/or jerking operation as the door is being
opened or closed from the fully open position.
Inner Trolley
ncy
Release Handle
Inner Trolley
Outer Trolley
Correct Angle r4_ ' _'_
........... _ ............. __.;COCO; C_';'_''C
Backward Slant
Open Door (Incorrect)
26