PS Magazine - TB 43-PS-441
PS, The Preventative Maintenance Monthly
ISSUE 441
AUGUST 1989
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Or
the window on the AN/PDR-27's probe gets caked with dirt, The radiac set
loses a loT of its sensItivity. BuT If you clean the probe wrong, you can puncture
The probe's window± ²hen the probe's ³uined.
None of the ²M's tell you how To clean the wIndow. Here's how:
1. Pour
j
ust enough denaTured alcohol, NSN 6810-00-241±4709, in the probe well
to cover the window.
2² SwIsh The alcohol around and pour The alcohol of²
3²
Never clean The window wIth a rag or brush² You'll damage it³
4² ´Rotect the window by keepIng the cover shield in µlace any Time ¶ou·re not
usIng the AN/PD¸±27.
54
AUG 89
Drive shorT pIns´
like the 12-In sTeel pin,
NSN 8340-00µ823-745¶,
or the 16µIn wood pin, NSN
8340µ00µ·61µ9750¸st³aight
up¹and-down.
Drive longer pins¸like the 24-
in or 36-In long woodº pIns, NSN
8340¹00-26¶µ9751
or
-9752¸at
a
slight angle toward the Tent¸about 15
degrees Fom vertical»
Pins angled away Fom the Tent have mo³e
_
-±
-_
leverage Fom the tenT lIne¼ When t½e canvas
²
7³:´\
Ä
_
µ
gets wet and s½³inks, the pin acTs lIke ¾ lever and
j
Wrong
J
enla³ges the hole, loose¿Ing t½e pIn.
AUG 89
Drive µIn¹ wiTH
Top Toward TenT
55
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