Philips SPENDEX 40 Maintenance Manual page 62
Speech encryption decryption equipment
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Also See for SPENDEX 40:
- Operating manual (25 pages) ,
- Operating instructions manual (21 pages)
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NATO CONFIDENTIAL
S P E N D E X 4 0 U A 8 2 5 1 / 0 0 A N D / O l L I M I T E D M A I N T E N A N C E M A N U A L
- Tighten the 6 captive M4 socket head screws;
- Connect the flat cable connectors X50 and X52 and the blue
connector X63 to the line interface board (see Fig. 7.2).
7 . 4 . 6 M o u n t i n g o f t h e c r a d l e
- Place the cradle on the housing;
- Apply the 3 M5 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
- Tighten the socket head screws.
7 . 4 . 7 M o u n t i n g o f t h e u p p e r c o v e r
- Connect the hook switch;
- Place the upper cover on the housing. See to it that the
connections with the hook switch do not get jammed;
- Tighten the 14 captive M4 socket head screws;
- Affix 2 new USFA-sealing strips.
7 . 4 . 8 M o u n t i n g o f t h e s y n t h e s i s b o a r d
- Check the hardware settings of the synthesis board. Change them, if
necessary;
- Place the synthesis board on the distant pieces mounted on the
analysis board;
- Apply the 5 M3 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
- Tighten the socket head screws;
- Place the synthesis board/analysis board assembly into the housing
on position 1/2 and press it into the connectors X3 and X5 of the
mother board.
7 . 4 . 9 M o u n t i n g o f t h e a n a l y s i s b o a r d
- Place the analysis board on the distant pieces mounted on the
synthesis board;
- Apply the 5 M3 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
- Tighten the socket head screws;
- Place the synthesis board/analysis board assembly into the housing
on position 1/2 and press it into the connectors X3 and X5 of the
mother board.
7.4.10 Mounting of the key memory board
- Place the key memory board into the housing on position 3 and press
it into the connector X7 of the mother board.
9 9 2 2
1 5 4
1 3 4 3 1
7 - 8
NATO CONFIDENTIAL
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