Andrew 3.7-Meter Earth Station Antenna manual Step, Installation Procedures

Step 7

Install fine az. adjustment, attach 40188-3 thread rod to 49712-3 bracket with 9999-167

.75-10 nuts and 9997-166 flatwasher. Slide threaded rod through welded tab and fasten using 9999-167 .75-10 nuts and 9997-166 flatwasher. Note: It will be necessary to tem- porarily remove one square head bolt for fine adjusting the threaded rod. After fine adjustment it is recommended that the fine adjustment rod assembly remain in place. If the threaded rod is removed the square head bolt must be replaced.

Attach 49712-3 bracket to strut using 9956-67 U-bolt, 9999-109 .50-13 nut and 9974-4 lockwasher. See Figure 3-29i. Repeat for elevation strut.

9997-166

Flatwasher

and

9999-167

3/4” Brass Hex Nut

40188-3

49712-3Threaded Rod Bracket

9956-67

U-Bolt,

1/2” Lockwasher

and

1/2” Hex Nut

Figure 3-29i: Fine Azimuth Adjustment Attachment

42 Installation Procedures