Andrew 3.7-Meter Earth Station Antenna manual

Subreflector

Struts

Embedded Pipe

Ground Mount

Assembly

Step 1

Step 2

Step 3

Step 4

Loosely preassemble the 300056 Subreflector Struts using supplied 222888 strut sup- ports and the 9963-127 3/8 inch by 2 1/4 inch bolts, 9974-63 lockwashers, and 9999-60 nuts as shown in Figure 3-54b, View A.

Note: At this time it is recommended (but not necessary) to install the Subreflector, for K- & Ku-Band, see Kit #301921; for C-Band, see Kit #301939.

Attach the 49187angle clips around the reflector perimeter at the indicated positions using 100521-51 3/8 x 1 inch bolts, 9974-63 lockwashers and 9999-60 nuts. See View B in Figure 3-54b.

3/8 x 1”

Bolt, Lockwasher

and Nut

49187
Angle Clip	300056
3/8 x 2-1/4”
	Subreflector Strut
Bolt, Lockwasher
and Nut	222888
	Strut Supports
	3/8 x 2-1/4”
	Bolt, Lockwasher
	and Nut

Figure 3-54b: Subreflector Strut Attachment

Raise and attach the pre-assembled Subreflector strut assemblies between the corre- sponding 49187 angle clips using a tag line. Attach struts between angle clips using 9963-127 3/8 x 2 1/4 inch bolts, 9974-63 lockwashers and 9999-60 nuts.

Tighten strut and all hardware at this time.

67 Installation Procedures