PS Magazine - TB 43-PS-714

PS, The Preventative Maintenance Monthly

ISSUE 714

MAY 2012
PS Magazine - TB 43-PS-714 - Page 20 of 33
36
PS 714
MAY 12
37
PS 714
Eliminate all play when securing the SSA
± It±may±seem±like±you’ve±
got±the±SSA±secured,±but±
it±still±may±have±enough±play±
to±be±damaged±bouncing±
around±during±travel.±To±
tighten±the±SSA,±hold±it±by±
the±thermal±imaging±module±
(TIM).±Tighten±the±SSA±
lower±clamp±bolt±as±you±
gently±wiggle±the±TIM.±Once±
you±feel±no±more±movement±
in±the±SSA,±then±tighten±
the±SSA’s±top±bolt±while±
wiggling±the±TIM.±Double-
check±by±trying±to±move±the±
TIM±when±you’re±finished.±
±
Lock the SSA pointing down towards the ground for travel
± If±it’s±facing±up,±its±lenses±are±vulnerable±to±wires,±limbs±and±the±elements.±
After±the±transport±lock±is±engaged,±the±SSA±should±click±as±it±locks±in±place±
when±it±is±moved±all±the±way±to±the±downward±position.
Protect mounting pins
± Don’t±leave±them±dangling.±The±pins±will±get±caught±in±the±mount±and±be±
damaged.±One±broken±mounting±pin±makes±CROWS±NMC.±And±they’re±not±
cheap±to±replace.
± To±fully±seat±a±mounting±pin,±you±must±rotate±it±as±you±push±it±in.±Once±
both±mounting±pins±are±seated,±tug±on±them±to±ensure±they’re±secure.±Then±
tighten±the±straining±screw±for±the±soft±mount.±But±when±it’s±time±to±remove±
the±mounting±pins,±you±must±first±loosen±the±straining±screw,±except±for±the±
MK19.±Otherwise,±you±can’t±remove±the±pins.
Check all cables for looseness
± If±just±one±
cable±is±loose,±
you’ll±get±faults.±
Don’t±use±just±
your±eyes±to±
check.±Some±
Soldiers±think±
if±they±can’t±
see±the±cable±
connector’s±red±
line,±the±cable±is±
tight.±That’s±not±
always±true.±Feel±
to±make±sure±
each±cable±is±
hand-tight.±
Count clicks for .50-cal solenoid
± Before±you±connect±
the±solenoid,±count±
the±clicks±while±you±
screw±the±adjustment±
cap±all±the±way±in±until±
it±stops.±If±there±are±
more±than±40±clicks,±
tell±your±repairman±
because±something±is±
wrong.±Don’t±fire±until±
the±problem±is±fixed±
or±you±could±have±a±
runaway±gun.±
Keep the ammo box and ammo insert cassette clean
± If±you±let±dirt±
and±sand±collect±
in±them,±rain±turns±
the±dirt±and±sand±
into±mud±and±a±
real±±mess.±Simply±
wiping±the±ammo±
box±and±cassette±
clean±daily±with±
a±dry±cloth±is±
usually±enough.±If±
there’s±a±lot±±of±
accumulation,±blow±
them±clean±with±
low-pressure±air.
Wiggle
thermal
imaging
module as
you tighten
SSA clamp
until all
play is gone
Rotate mounting pins as you push them in
Once mounting pins are secure, tighten
straining screw. Before removing mounting
pins, you must loosen straining screw
Count clicks
for .50-cal
solenoid cap
More than
40? Don’t
fire!
just
because
the red
line
isn’t
visible
doesn’t
mean the
cable
is tight.
feel the
cable
for
loose-
ness.
keep the
ammo box
and ammo
insert
cassette
clean.
714 36-37.indd
1-2
3/22/12
5:05 PM
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