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c.
d.
e.
f.
Doc. 01031254 Rev. 1
After alignment is verified in all three planes, loosely attach
the interconnecting waveguide to the output waveguide
flange of the MPA Hub Mount with 6-32 stainless steel
screws, flatwashers, lockwashers, and nuts. Start all bolts and
verify proper alignment.
A progressive tightening procedure is recommended. Tighten
each bolt until the lockwasher starts to compress and then
proceed to the next bolt, until you have partially tightened all
the bolts.
Starting with the first bolt, fully tighten them to the desired
torque level (15 in. lbs. for 6-32 screws). Do not over-tighten
the screws because this can strip the threads or distort the
mating flange.
Go to Chapter 3 for startup procedures.
M P A H U B M O U N T
2-9
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