Connect The Door Arm To The Trolley - Chamberlain WhisperDrive WD962KD Owner's Manual

UNSTALLATm(:)N STEP 13
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
pulley) about 8" (20 cm) (Figures 1, 2 and 3).
Figure 1:
- Fasten straight door arm section to outer trolley with the
5/16"xl" 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..
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:
o 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 28 Trolley will
re-engage automatically when opener is operated.
Figure 1
Pulley
Figure 2
Door Bracket
Bolts
HARDWARE SHOWN ACTUAL SIZE
©
Nut 5/t 6"-I 8 Lock Washer 5116'
©
Ring Fastener
51t 6"xi" (Tro[iey)
Hex Bolt
5/16"x1-114" (Door Bracket) 5/16"qBxTfB"
Figure 3
Pulley
Bolts
5115"-18x7/8"
Cut this end
26