PS Magazine - TB 43-PS-620

PS, The Preventative Maintenance Monthly

ISSUE 620

JULY 2004
PS Magazine - TB 43-PS-620 - Page 20 of 33
PS 620
JUL 04
37
Nomenclature
Abrasive mat (280–400 grit) E
Abrasive mat (180-240 grit
Abrasive mat aluminum (100-150 grit)
Abrasive paper (silicon carbide)
Abrasive paper (silicon carbide)
Chromium trioxide
Calcium sulfate
Corrosion preventive compound
Corrosion preventive compound
Corrosion preventive compound
Corrosion preventive compound
Corrosion preventive compound
Corrosion preventive compound
Corrosion resistant coating
Isopropyl alcohol
NSN
U/
I
EA
EA
EA
PG-50
SH-50
LB-5
LB-1
GL-1
PT-1
CN-1
QT-1
LB-1
CN-1
QT-1
GL-1
Quan Req
100 Ea
100 Ea
100 Ea
4 Shts
4 Shts
5 Lb
1 Lb
1 Gal
10 Pts
24 Cans
10 Qts
76 Cans
12 Cans
4 Qts
1 Gal
GL-5
20 Gal
Aircraft surface cleaning compound
Make sure you perform
operational or maintenance
checks
before
flying into
the sand storms.
All this info can
be found in TB 1-
1500-200-20-31,
Aircraft Desert
Operations
Cleaning
Requirement
.
Make sure you
get a copy.
If you have any trouble
getting cleaning materials,
contact AMCOM’s Ronnie
Price or Judy Gerley at DSN
897-1312 or 897-1575 or
commercial (256) 313-1312
or 313-1575.
Email is
ronnie.price@
redstone.army.mil
judy.gerley@
redstone.army.mil
Here’s a
list
of the
cleaning materials
you’ll need to get the
job done thoroughly.
2.
Vacuum loose sand or dirt from
accessible parts of your bird.
4.
Clean inside
your bird and
remove all sand
like it says in TM
1-1500-244-23.
5.
If you come across contamination on
electrical connectors, clean and preserve
them like it says in TM 1-1500-343-23.
Use isopropyl alcohol instead of
trichlorotrifluoroethane.
6.
After washing, remove standing water.
3.
Look for corrosion,
damage to teflon bearings and
rotor feather bearings and
hydraulic leakage, especially
around seals where sand can
eat into anything.
7
.
Inspect aircraft for additional sand and clean again
if necessary until all contaminants are removed.
8.
When your aircraft is dry, inspect for corrosion or
other defects. If any are found repair them like it says
in TM 1-1500-343-34, TM 1500-344-23 and each specific
aircraft TM.
9.
Apply type II corrosion preventive compound (CPC),
NSN 8030-00-938-1947, to water entrapment areas in
your bird’s mating surfaces, bilge areas and hidden
corrosion prone areas.
10.
Wash your bird’s engine according to its TM
requirements.
11.
When everything is complete, button up your bird.
check electrical
connections for
contamination.
620. 36-37 (C)
6/1/04
5:18 PM
Page 1
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