Icom AT-140 Instruction Manual - Mounting
5
2
INSTALLATIONS
n
Mounting
CAUTION: Mount the AT-140 in a horizontal posi-
tion or in a vertical position with the antenna termi-
nal up.
Mounting on a Mast/Metal pole
Mounting on a flat surface
R
WARNING! Mount the AT-140 securely with the
supplied nuts and bolts. Otherwise, vibrations and
shocks due to waves could loosen the antenna
tuner making if fall, causing personal injury.
Using U-bolts
U-bolt
U-bolt plate
Flat washer(L)
Spring washer
Nut
Mast/
Metal pole
Flat washer(S)
Using U-bolts
U-bolt
U-bolt plate
Flat washer (L)
Spring washer
Nut
Mast/
Metal pole
Flat washer (S)
q
Connect the coaxial cable and the control cable
to the AT-140.
w
Wrap both the antenna and the control cable con-
nectors with rubber vulcanizing tape, and then
wrap electrical tape* over the rubber vulcanizing
tape to secure waterproofing.
* The electrical tape is not supplied with the AT-140.
e
Fix both of the coaxial and control cables to pro-
tect the inside connections.
DO NOT pull the antenna and control cable
receptacles. This may cause disconnection
(inside the AT-140), internal connector dam-
age or a bad connection.
r
Connect the coaxial cable and the control cable
to the transceiver.
• See the transceiver instruction manual for details.
t
Ground the transceiver, AT-140 and shield cable
of the control cable via the ground terminal.
• See page 2 for grounding details.
IMPORTANT:— AT-140
NEVER ground the AT140 via the mounting
plate. It is not connected to ground internally.
Rubber vulcanizing tape
Control cable
Coaxial cable
Mounting plate
Ground terminal
Nut
Spring
washer
Flat
washer(L)
Flat
washer(L)
Hex head
bolt
Drill a hole here
Diameter:7–8 mm;
9
⁄
32
–
5
⁄
16
inches
Weatherproof cap
Flat
washer(S)
Nut
Spring
washer
Flat
washer (L)
Flat
washer (L)
Hex head
bolt
Drill a hole here
Diameter:7–8 mm;
9
⁄
32
–
5
⁄
16
inches
Flat
washer (S)
Nut
Spring
washer
Flat
washer (L)
Flat
washer (L)
Hex head
bolt
Drill a hole here
Diameter:7–8 mm;
9
⁄
32
–
5
⁄
16
inches
Flat
washer (S)
Using self-tapping
screws
Using nuts and bolts
Using self-tapping
screws
Using nuts and bolts
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Cable connections
Ground
AT-140
Control cable
Coaxial cable