User's Manual Part 9

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Attachment of Antenna Support Clamp

(Refer to Figures 2 & 6). Determine desired height

for antenna and attach antenna band clamps to mounting

pipe at required location using M12 x 40mm long bolts,

lockwashers & nuts. Fully tighten hardware.

Attachment of the Antenna to the Mounting Pipe

(Refer to Figures 2 & 7). Rest the lower end of the

main channel on the antenna support clamp. Attach an-

tenna to mounting pipe using M20 'U'-bolt, M12 'U'-bolt and

their respective lockwashers & nuts. Tighten the nuts on

the 'U'-bolts until the lockwashers begin to close. Roughly

align the antenna onto its operating path.

Figure 7. Attachment of Azimuth Adjustment Strut (6ft version)

M20 Lockwasher &

Nut

Reflector

Mounting Ring

'U'-Bracket

M20 x 45mm lg Bolt

M20 x 90 lg Bolt,

Lockwasher & Nut

M16 x 55 lg Coach

Bolt & Flatwasher

Setscrew

& Locknut

Azimuth Adjustment

Nut

Angle Bracket

Note : Holes should not be

drilled without prior approval

of the tower or support struc-

ture manufacturer.

M12 x 40mm lg Bolt,

Lockwasher & Nut

Band

Clamp

Ø115mm

Mounting

Pipe

Band

Clamp

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Determine Strut Orientation.

Suitable mounting points must be provided on the

tower or main support structure prior to installation of the

azimuth adjustment strut and the fixed strut (if required).

For structural efficiency, the struts should be installed par-

allel to the antenna axis (ie in the direction of final trans-

mission path). When it is not possible to mount the struts in

this manner due to tower or outrigger considerations, the

struts may be positioned anywhere within an angular 'cone'

relative to the reflector axis as shown in Figure 9.

Azimuth Adjustment Strut Installation.

Attach 'U'-bracket to reflector mounting ring at point

'D', as shown in Figure 6, using an M20 x 45mm long bolt,

lockwasher & nut. Attach the pre-drilled end of the azimuth

adjustment strut to the azimuth 'U'-bracket on the reflector

using an M20 x 90mm long bolt, lockwasher & nut as shown

in Figure 6. Do not fully tighten at this stage.

Assemble the azimuth adjustment components and the strut

clamp on to the free end of the strut as shown in Figure 6.

Position the azimuth adjustment nuts such that they are

approximately at the mid-point of the azimuth bolt threads.

Tighten the 'U'-bolt and clamp assembly set screws suffi-

ciently enough to prevent the assembly from falling off the

strut at this stage.

Rotate the antenna in azimuth until pointing (as closely as

possible) in the direction of the final transmission path.

Loosen the azimuth adjustment assembly 'U'-bolt and clamp

set screws and slide the assembly until the clamp can be

installed on a suitable tower member. Fully tighten the 'U'-

bolt nuts to secure the angle bracket to the strut. Ensure

that the tab of the azimuth bolt is secured against the strut

clamp using the locknut provided. Take up excessive slack

in the remaining hardware at this stage in order to perform

final azimuth and elevation adjustments.

Tower

Member

Ø18mm Hole for

M16 Bolt

Side Strut

Clamp Assembly

M16 Lockwasher

& Nut

Side Strut

'U'-Bolt