PS Magazine - TB 43-PS-619

PS, The Preventative Maintenance Monthly

ISSUE 619

JUNE 2004
PS Magazine - TB 43-PS-619 - Page 12 of 33
PS 619
JUN 04
21
JUN 04
20
621B Scraper…
Dear Sergeant M.S.F.,
You’ll come up empty-handed trying to find the
criteria in the scraper’s TM 5-3805-248-14&P-1
thru P-4. That’s because it’s not there!
Your best bet is to grab or touch the insulation
liner to see if it falls apart from dry-rot. Most
scrapers have original liners dating from when the
vehicles were fielded back in the mid-80s.
Do not replace a liner just because it’s dirty or shows some wear or tear. But if
the liner is falling apart, it’s probably a safe bet to replace it.
Here’s a list of the insulation liners
that fit inside the scraper’s cab. By
the way, you won’t find these NSNs
in the technical manuals.
Use adhesive primer,
to keep a liner in place.
Whatever
you do,
do
not
leave a
cab wall
un-
insulated.
The insulation liners
are sound barriers to
noise outside the cab,
and help retain heat in
the cab during cold
weather.
Liner
Front of the cab floor
Rear of the cab floor
Floor mat
Side panel
Insulator plate
NSN
Replace insulation
inside cab when it
dry rots
THAT'S THE
LAST
TiME I
USE YOU! EVEN
WiTH EAR
PROTECTiON,
MY HEAD iS
RiNGiNG!
DON'T
blame ME!
YOU GUYS NEED
To REPLACE my
CAB iNSULATiON
LiNER!
Dear Half-Mast,
What criteria do we
use to replace the
insulation liners in the
621B scraper’s cab?
SFC M.S.F
another
good
question!
keep ‘em
comin’ in!
619. 20-21 (C)
4/25/04
12:42 PM
Page 1
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