Connect Door Arm To Trolley (Sectional Door); Connect Door Arm To Trolley (One-Piece Door) - Craftsman 139.18865 Owner's Manual

Installation Step 12
Connect Door Arm to Trolley
Follow instructions which apply to your door
type as illustrated.
Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from
the inner trolley. Slide the outer trolley back (away from the door) about 2" as shown in Figures 1, 2 and 3.
Figure 1:
• Fasten straight door arm section to outer trolley
with a clevis pin. Secure the connection with a ring
fastener.
• Fasten curved section to the door bracket in the
same way as shown.
Inner Trolley
Outer Trolley
Outer Trolley
Ring
Fastener
Ring
Fastener
Door
Bracket
Clevis Pin
Curved
Door Arm
Figure 3:
• If holes in curved arm are above holes in straight
arm, disconnect straight arm. Cut about 6" from
the solid end. Reconnect to trolley with cut end
down as shown.
• Bring arm sections together.
Washers
• Find two pairs of holes that line up and join with
Lock
Washers
screws, lock washers and nuts.
5/16"
Nuts
5/16"-18
Nuts
Hardware Shown Actual Size
5/16"-18
5/16"-18x7/8"
Nut 5/16"-18
Cut This End
Hex Screw
5/16"-18x7/8"
Proceed to Adjustment Step 1, page 28. Trolley will re-engage automatically when the opener is operated.
Step 10 Conect Door Arm to Trolley Sectional
Step 10 Conect Door Arm to Trolley Sectional
12/15/88 - 2/10/89 - 3/28/89 - 6/20/89 - 6/27/89
12/15/88 - 2/10/89 - 3/28/89 - 6/20/89 - 6/27/89
Inner Trolley
Clevis
Pin
Door
Straight
Bracket
Door Arm
Straight
Door Arm
Curved
Door Arm
Hole Alignment Alternative
Lock
5/16"
Screws
5/16"-18x7/8"
Screws
Cut This End
Ring Fastener
Lock Washer 5/16"
Clevis Pin
5/16"x1"
SECTIONAL Doors Only
Figure 2:
• Bring arm sections together. Find two pairs of holes
that line up and join sections. Select holes as far
apart as possible to increase door arm rigidity.
Clevis
Pin
Figure 1
26
Outer Trolley
Lock
Washers
5/16"
Ring
Fastener
Nuts
5/16"-18
Nuts
5/16"-18
Door
Bracket
Door Bracket
Door Bracket
Clevis Pin
Lock
Washers
5/16"
Nuts
5/16"-18
Cut This End
Step 10 Conect
12/15/88 - 2/10/8
Inner Trolley
Lock
Washers
5/16"
Rope
Clevis
Pin
Emergenc
Emergency
Release
Handle
Screws
Straight
5/16"-18x7/8"
Screws
Door Arm
5/16"-18x7/8"
Figure 2
Curved
Door Arm
Screws
5/16"-18x7/8"
Figure 3
Rope
Release
Handle