PS Magazine - TB 43-PS-691

PS, The Preventative Maintenance Monthly

ISSUE 691

JUNE 2010
PS Magazine - TB 43-PS-691 - Page 27 of 33
50
PS 691
JUN 10
51
PS 691
JUN 10
W
ord around the tool bench is that some of the lightweight water puriFers (LWP)
were Felded with the O-ring seals missing from the puriFer’s reverse osmosis (RO)
Flter element cartridges.
You’ll know something’s up if the product water flow is through the roof and the
RO pressure is way too low!
Without the O-ring in place, feed (source) water bypasses the RO element cartridges.
The bottom line is unFltered water that ends up in your stomach. Yuk!
Play it safe. Remove the
end caps from the plugged
ends of
all
seven RO pressure
vessels. Work Package 45 of
TM 10-4610-310-13 shows
how.
Is an O-ring missing? If
so, get a new one using NSN
shown
as Item 27 in ±ig 21 of TM
10-4610-310-23P.
The good news is you can get some O-rings free from the Mechanical Equipment
Company (MECO). Contact Kyaw Moe by phone: (281) 276-7628, or by email:
kmoe@meco.com
that’s a real problem
during
cold weather
operation when fumes
accumulate inside a
heated tent!
Lightweight
Water
Purifer…
Exhaust Hose Assembly
Lightweight Water Purifer…
Missing Cartridge O-ring Seals
operators, the exhaust
hose on the lightweight
water purifier (lwp) is
known to leak after
continuous use.
that’s a real problem
during
cold weather
operation when fumes
accumulate inside a
heated tent!
so-o-o, have your mechanic
replace a leaky hose with
a new hose assembly (the
hose and clamp) that comes
with nsn 4
7
20-01-56
7
-1009.
the hose is shown in
fig
7
of wp 0018-6 of
tm 10-4610-310-13.
you can get the hose
assembly
free
by
contacting the lwp item
manager at dsn 786-4146,
(586) 574-4146, or
by emailing:
to get a missing O-ring
what the heck
is wrong with
your water!?
I think the O-ring
is missing
from
our new water
purifier!
691.50-51.indd
1-2
4/27/10
12:03:53 PM
rosemary.wells
@us.army.mil
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