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Prefabricated galvanized steel or poured concrete may be used for the foundation.
When using Safetran's galvanized steel foundation, part number 035903-500X, be sure bottom of
excavation is flat and level to insure full support to the base plate. Backfill should be compacted, with
height of exposure above ground limited to 4 inches.
Place foundation as dictated by local conditions and clearance requirements, remembering that gate
arm lengths are measured from center of foundation to end of arm.
For field poured concrete foundation, 4 anchor bolts, part number 131702-26X, are required.
1
3
/
"
4
R
Sizes of wire used for the motor circuit should be calculated so that there will be not more than
0.1 ohm resistance between the battery and mechanism terminals.
Wire sizes as follows are recommended:
Distance from Battery Terminals to
Mechanism Terminals
Up to 60 feet (120 feet of wire)
From 60 to 120 feet (240 feet of wire)
The following battery is recommended with above wire sizes for gates of various lengths:
F
OUNDATIONS
17 "
11
11
/
"
16
11
11
/
"
16
5
7
/
"
16
B
ECOMMENDED
ATTERY AND
Gate Arm
Length in
Feet
Up to 24
25 to 42
Steel Foundation
035903-500X
W
R
IRE
EQUIREMENTS
Size of Soft Drawn Copper Wire to Use
No. 9 AWG
No. 6 AWG
Number of Cells
Nickel
Nickel
Lead
Iron
Cadmium
6
9
7
11
4
9
11
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