7.0 Subreflector Setting

7.1 Refer to Figure 5. Position supplied 203896 setting bar on outer edge of 202790 ring at 12 o'clock (top) position. Sweep bar across corresponding subreflector rim area. and note relative position. Repeat procedure at 6 o'clock (bottom) position. Use noted positions to indicate required directional movement of top portion of subreflector aperture relative to aperture bottom using subreflector stud adjustment hardware (3 places). Repeat above procedure at 3 and 9 o'clock positions to indicate proper aperture side adjustment. Repeat entire procedure until all four noted positions indicate that subreflector aperture is set parallel to 202790 ring and securely tighten adjustment hardware. Note: Setting bar is supplied as part of 203032 subreflector strut kit.
7.2 Measure and note the distance between either outermost angle clip bolt head and the subreflector rim as shown. Obtain corresponding measurements from remaining subreflector strusts and adjust subreflector mounting hardware (4 places) to achieve a maximum differential of 1/16 in. Securely tighten adjustment hardware.

7.3 Repeat adjustment procedure performed in paragraph 7.1 and lower reflector assembly to operating position. Securely tighten and strut support setscrews to 40 ft-lbs.


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