Mounting; Cable Connections - Icom AT-140 Instruction Manual

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
Mast/
Metal pole
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.
Mounting on a flat surface
Using nuts and bolts
Using nuts and bolts
Nut
Flat
washer (S)
Spring
washer
Flat
washer (L)
Flat
washer (L)
Drill a hole here
Hex head Diameter:7–8 mm;
bolt
Nut
Flat
washer (S)
Spring
washer
Flat
washer (L)
5
Using U-bolts
U-bolt
U-bolt plate
Flat washer (L)
Spring washer
Flat washer (S)
Nut
Using U-bolts
Using self-tapping
Mast/
screws Metal pole
U-bolt
U-bolt plate
Using self-tapping
screws
9 5
⁄ – ⁄ inches
32 16
n Cable connections
q Connect the coaxial cable and the control cable
to the AT-140.
Ground
Coaxial cable
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.
Control cable
Coaxial cable
Flat washer(L)
e Fix both of the coaxial and control cables to pro-
Spring washer
tect the inside connections.
Flat washer(S)
DO NOT pull the antenna and control cable
Nut
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.
Ground terminal
Mounting plate
AT-140
Control cable
Rubber vulcanizing tape