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14
STEP 2
Install chain brackets at each end of the gate on the inside
(operator side) of the gate (see Overview Illustration, page. 12).
Position the tops of chain brackets no more than 6” above the
bottom corners of the gate frame and secure with U-bolts (see
Illustration B). The chain brackets will work on gate frames
1
3
/
4
” to 2
1
/
2
” in diameter or square tube gates. The U-bolts
provided will work on 2” diameter pipe gate frames.
DETERMINING THE MOUNTING POSITION AND MOUNTING THE OPERATOR
STEP 4
Find the center point between the two roller/fence posts (see
Illustration D). This should coincide with the position of the
center point of the operator. Dig a hole approximately 12” x 28”
wide x 28” deep. Place the operator in the hole on its legs and
position the bottom idler sprockets on the top of the string and
level the unit (see Illustration E). Make sure operator is level
and plumb. With the unit level and in place, pour the concrete
and let set for 24 hours (checking the level periodically) before
proceeding to the next step.
BEFORE POURING CONCRETE: 1] Make sure operator is
centered between roller posts and aligned with string; and,
2]
Determine method of installing conduit for wiring (see page
13)!
STEP 3
Insert a quick release pin into the center slot in each of the chain brackets
(see Illustration C). Tie a string to the end of each quick release pin so
that the string is tight between the two chain brackets (the string will
be used to align the operator). The string should be 7”-10” from the
ground (see Illustration B). The chain brackets can be adjusted up or
down on the gate to achieve the proper height. The goal here is to set
the height of the operator so that when the housing is in place it will
clear the ground by 1” to 4” (see Illustration E).
Quick Release Pin
String
Chain Bracket
String
Chain Sprockets
Operator
(centered between post)
Roller
Gate
Fence Post
Fence Post
Center point between posts
Roller
C
L
Sprockets
String 7" to 10"
above ground
Housing
!
!
Level
1" to 4" clearance
Ground Level
position bracket so that string
will be approximately
7" to 10"
from ground level
at the point where
the operator will be mounted
Quick Release Pin
String
Chain Bracket
Illustration B
Illustration C
Illustration D
Illustration E