9150-065-Y-12-20
1
5
1.7 Mounting Operator and Chain
Prior to mounting the operator, be sure that the correct chain knockouts have been removed and chain idler wheels are in the
correct position (top, center or bottom).
Fail-Secure Manual Release Kit Installation Note:
It is easier to install the 2600-865 fail-secure manual release kit
before
mounting the operator and attaching the chain. Refer to the instruction sheet supplied with the kit for installation.
Operator
MUST
be
parallel to gate!
Operator NOT
parallel to gate.
Chain bracket
does NOT
align with
idler wheels.
Chain bracket
MUST
line up with chain
idler wheels!
Chain brackets
MUST
be
mounted so the chain
remains the same height
as it is on the idler wheels!
Positioning Operator and Chain Brackets
Chain
Bracket
Lines up
with Idler
Wheels
Correct
Chain
Bracket
Height
Correct
Chain
Bracket
Height
Chain brackets
positioned
too low.
NO
NO
NO
NO
Chain Idler Wheels
1” minimum from operator housing to gate.
YES
YES
Chain Idler Wheels
YES
YES
NO
NO
Chain brackets
positioned
too high.
DoorKing recommends a
minimum of four (4) 3/8” x 2”
sleeve anchors (not supplied).
Chain idler
wheels in
top position.
Use six (6) 1/2”-13 x 1 1/2”
bolts, lockwashers and nuts
(not supplied).
Attaching Operator
to Concrete
Attaching Operator
to Post Base Plate
Lock
Washer
Washers
3/8
Connect Chain Bracket
to Gate.
Weld completely
around bracket.
Chain nut
and chain bolt MUST NOT
protrude past gate frame.
Connect chain to chain bolt with
master link. Adjust the chain nuts to
tighten the chain. The chain should sag no
more than one (1) inch per 10 feet of travel.
Do not over tighten the chain.
Connect Chain to Chain Bracket.
Chain
Nut
Chain Bolt
Chain Bracket
Option 1
Master
Link
Option 2
Gate
Frame
10.5”
10.5”
10.5”