'Nother thing: Make sureyou uncock the lever to disengage
the sprockets while you're feeding the ammo belts through the
inner channels of the crossover feeder. But, after this is done,
be mighty sure you cock it or your ammo will spill all over the
place.


 THE ELECTRONIC BOX
 This is the brain and ner'e center ofl

 EY ARlE... your system contains the azimuth
AUGIE THE THOMAS and elevation amplifiers, power sup-
EitSODi OF ALPHA pliers, dither and coincidence circuits .
COMPANRV, HASI and such-like delicate scuff that operate
STRUCK AGAIN.'" the TAT-102A. You want to be sure the
 access coser's burtoned up-same for
 the circuit card access panel. Can't pro-
 fect these innards enough! And when
 they are open, no bull-in-the-china-shop p
 stuff, hear)


Here're a couple of tips for the 2 big jobs you have in this area:
 Adjusting the Stow Pots-Be careful
with your screwdriver that you don't snap STOW AD LIST
the screw heads off while you're adjusting EL AZ
the elevation and azimuth stow potentiom-
elers when you re harmonizing the tuirel
assembly with the sighting station These
parts can only be replaced ot support, which a e
means your whole system would be out of F 2.
commission for a spell.


1. None of these coids are interchanqeoble
 There are guide pins or keys in the connector
 port of the electronic subassembly to guide
 the right card into the right slot.


11 :RR 19

 6~-


2 Whatever you do, don't ever fool around with these keys ... like removing 'em to gel
 a card in there. These keys can t be replaced. for one thing. For another, if you get the
 card in the wrong slot you II damage the circuits in the system
3 You'll find authorized allowances for the amp cards on page I? of your -20P TM


 IN THE GUNNER'S NEST
 ,Two critical pieces of equipment in ..)OU C
rhis cubbyhole the control panel and ..i SARSE
the sighting station--gne the gunner
"ingertip control of the hole s stem.
SMoe around gingerl. Clumsiness is a
sin here.


 ..... .... 7


26 _____
 G;C;I 12


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