LiftMaster 3265 3265M Manual - Page 21

STEP 12 Connect Door Arm to Trolley

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INSTALLATION STEP 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONLY 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" (5 cm) as shown in Figures 1, 2 and 3. Figure 1: • Fasten straight door arm section to outer trolley with the 5/16"x1" clevis pin. Secure the connection with a ring fastener. • Fasten curved section to the door bracket in the same way, using the 5/16"x1-1/4" clevis pin. IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm (Figure 4). 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. Figure 3, Hole alignment alternative: • If holes in curved arm are above holes in straight arm, disconnect straight arm. Cut about 6" (15 cm) from the solid end. Reconnect to trolley with cut end down as shown. • Bring arm sections together. • Find two pairs of holes that line up and join with bolts, lock washers and nuts. Pull the emergency release handle toward the opener at a 45° angle so that the trolley release arm is horizontal. Proceed to Adjustment Step 1, page 23. Trolley will re-engage automatically when opener is operated. Figure 1 Inner Trolley Outer Trolley Figure 2 Ring Fastener Clevis Pin 5/16"x1" Emergency Release Door Bracket Handle Straight Door Arm Curved Door Arm Clevis Pin 5/16"x1-1/4" Lock Washers 5/16" Nuts 5/16"-18 Figure 3 Door Bracket Bolts 5/16"-18x7/8" HARDWARE SHOWN ACTUAL SIZE Nut 5/16"-18 Ring Fastener Clevis Pin 5/16"x1-1/4" (Door Bracket) Lock Washer 5/16" Nuts 5/16"-18 Lock Washers 5/16" Figure 4 CORRECT Bolts 5/16"-18x7/8" Cut this end INCORRECT Clevis Pin 5/16"x1" (Trolley) Hex Bolt 5/16"-18x7/8" Straight Door Arm (Groove facing out) Curved Door Arm Straight Door Arm Curved Door Arm 21

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21
INSTALLATION STEP 12
Connect Door Arm to Trolley
Follow instructions which apply to your door type as
illustrated below and on the following page.
SECTIONAL DOORS ONLY
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" (5 cm) as shown in Figures 1, 2 and 3.
Figure 1:
•
Fasten straight door arm section to outer trolley with
the 5/16"x1" clevis pin. Secure the connection with a
ring fastener.
•
Fasten curved section to the door bracket in the same
way, using the 5/16"x1-1/4" clevis pin.
IMPORTANT:
The groove on the straight door arm MUST
face away from the curved door arm (Figure 4).
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.
Figure 3, Hole alignment alternative:
•
If holes in curved arm are above holes in straight arm,
disconnect straight arm. Cut about 6" (15 cm) from the
solid end. Reconnect to trolley with cut end down as
shown.
•
Bring arm sections together.
•
Find two pairs of holes that line up and join with bolts,
lock washers and nuts.
Pull the emergency release handle toward the opener at
a 45° angle so that the trolley release arm is horizontal.
Proceed to Adjustment Step 1, page 23. Trolley will
re-engage automatically when opener is operated.
Figure 1
Figure 2
Figure 3
Figure 4
Straight
Door Arm
Straight
Door Arm
Curved
Door
Arm
Curved
Door
Arm
(Groove
facing out)
CORRECT
INCORRECT
HARDWARE SHOWN ACTUAL SIZE
Lock Washer 5/16"
Clevis Pin
5/16"x1" (Trolley)
Clevis Pin
5/16"x1-1/4" (Door Bracket)
Hex Bolt
5/16"-18x7/8"
Nut 5/16"-18
Ring Fastener
Outer Trolley
Inner Trolley
Clevis Pin
5/16"x1"
Ring
Fastener
Curved
Door Arm
Door Bracket
Straight
Door Arm
Clevis Pin
5/16"x1-1/4"
Nuts
5/16"-18
Lock
Washers
5/16"
Bolts
5/16"-18x7/8"
Door Bracket
Emergency
Release
Handle
Nuts
5/16"-18
Lock
Washers
5/16"
Bolts
5/16"-18x7/8"
Cut this end