Andrew Type 183 Manual Petunjuk Perakitan - Halaman 8

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Halaman Cetak

Feed Support Tube

Install M6 x 40 mm hex bolt (15) with flat washer (16) into bottom hole in reflector rim (2) and secure with M6 flat washer and

M6 hex nut (16 & 17). (Refer to Figure 1.1)

IMPORTANT: M6 x 40mm hex bolt (15) in bottom of reflector rim, fits into hole on top of support tube lower end for

positioning.

Assemble feed support tube (19) onto backframe and secure with two M12 x 130 mm hex bolts (12) with M12 tooth lock

washer. (13)

NOTE:

M12 tooth washer (13) must be assembled on bolts (12), with one under head of bolts and one under hex nuts (4).

(Refer to Figure 1.2) Leave these bolts loose.

Swing reflector down by loosening nuts (7) on elevation screw (6). When reflector is in a convenient position, (approximately

20 degrees), snug tighten nuts on elevation screw.

Install left and right side struts (20) onto reflector as shown in Figure 1.3. Attach long formed end of side strut (20) to reflector

rim by inserting M6 x 20 mm hex bolt (3) thru inside of rim and secure snug, but free to pivot with M6 lock washer and hex nut

(18 & 17). Attach short formed end of side struts (20) to feed support tube using M6 x 20 mm hex bolt, lock washer and hex

nut (3, 18, 17).

IMPORTANT: Without using excessive pressure, lift feed support tube vertically, just enough to relieve all loads off side struts,

while another person tightens and torques M12 hex bolts (*) securing feed support tube to backframe to

47 N-m (35 ft-lb) and M6 hex head bolts (**) securing side struts to reflector to 5.4 N-m (4 ft-lb).

(Refer to Figure 1.4)

Install feed/feed horn per instructions provided with these items.

*Torque to 58 N-m (43 ft-lb)

**Torque to 5.4 N-m (4 ft-lb)