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3
CAUTION
Do not lift the antenna unit by the
radiator; lift it by the housing.
The radiator may be damaged.
3. Insert four hex bolts and seal washers from
the top of the scanner housing. Insert the
seal washers with the larger diameter next
to the bolt heads. Be sure the seal washer,
not other washers, is next to the bolt head.
Hex bolt
Seal washer
Flat washer
Spring washer
Nut
Figure 7 Fixing the scanner unit chassis
4. Pass flat washers, spring washers and nuts
onto hex bolts. Fasten by tightening nuts.
Do not fasten by tightening the hex bolts;
seal washers may be damaged.
Scanner
unit
Mounting
platform
Silicone
sealant
Flat washer
Rubber mat
Seal washer
Figure 8 How to fasten scanner unit to
mounting platform
5. Coat flat washers, spring washers, nuts and
exposed parts of bolts with silicone seal-
ant.
6. Prepare ground point in mounting platform
(within 300 mm of ground terminal on
scannere unit) using M6 x 25 bolt, nut and
flat washer.
7. Run the ground wire (RW-4747, 340 mm)
between the ground terminal and ground
point.
8. Coat ground terminal and ground point
with silicone sealant as shown in Figure
9.
Ground
terminal
Hex bolt
Flat washer
Spring washer
Flat washer
Hex nut
Silicone
sealant
Hex nut
Weld here.
Silicone
sealant
Ground
wire
Scanner
unit
OR
Flat washer
Spring washer
Ground
wire
GROUND
TERMINAL
GROUND
POINT
Hex nut
Figure 9 How to coat ground point and
ground terminal with silicone sealant
Fixing holes inside scanner
unit
This method requires removal of the RF unit
in the scanner unit to access inside fixing
holes. Use hex. bolts, flat washers, spring
washers and nuts (local supply) to mount the
scanner unit, confirming length of bolts.