PS Magazine - TB 43-PS-714

PS, The Preventative Maintenance Monthly

ISSUE 714

MAY 2012
PS Magazine - TB 43-PS-714 - Page 26 of 33
49
PS 714
MAY 12
± Also±make±sure±the±
hose±runs±straight.±Kinks,±
knots±or±loops±allow±debris±
to±build±up,±blocking±the±
flow±and±overworking±the±
pump.±For±the±same±reason,±
never±put±heavy±objects±on±
the±hose.
± The±FSC’s±grease±separator±has±a±pump±that±pushes±
gray±water±through±the±drain±hose.±But±you±should±
still±harness±gravity±as±much±as±you±can.±Running±the±
hose±downhill±or±level±relieves±strain±on±the±pump.±It±
also±speeds±the±flow±of±water±to±the±soakage±pit±or±
gray±water±tank.
± Before±you±
release±gray±
water,±ask±your±
environmental±
officer±or±NCO±
about±your±
unit’s±gray±
water±policy.
± To±keep±people±from±tripping±over±the±
hose,±bury±it±in±a±shallow±ditch.±Or±run±it±
alongside±logs±or±stones.±At±the±very±least,±
you±should±mark±it±with±flags.
± Remember,±you±have±a±50-ft±drain±hose±
that’s± meant± to± stretch± from± the± FSC’s±
grease±separator±to±the±soakage±pit±or±gray±
water±tank.±That±means±you±need±to±set±up±
the±grease±separator±within±50±feet±of±the±
pit±or±tank.
Check That Hose
± Make±sure±you±check±the±drain±hose±like±it±says±in±the±PMCS±table±of±the±-13&P±TM.±
Look±for±leaks,±tears±and±dry±rot.±Also±look±for±damaged±or±missing±gaskets.±Make±sure±the±
fittings±are±firmly±connected.±And±when±the±temperature±dips±below±freezing,±disconnect±
the±hose±from±the±grease±separator.±Clean±out±any±ice±that’s±built±up±inside±the±hose±or±
grease±separator±outlet±before±you±reconnect±the±hose.±Need±a±replacement±hose?±Use±
± For±more±information±on±the±food±sanitation±center,±see±TM±10-7360-211-13&P±(Aug±
06,±w/Ch±2,±Sep±10).±You’ll±find±it±on±the±USAMC±LOGSA’s±Electronic±Technical±Manuals±
Online±website:±
± For±more±information±on±disposing±gray±water,±see±FM±4-25.12,±
Unit Field Sanitation
Team,
±and±TB±MED±593,±
Guidelines for Field Waste Management.
±You’ll±find±them±both±
on±the±Army±Publishing±Directorate±website:±
Definitions
± Gray± water—
waste water from kitchens, showers,
handwash stands, laundries and vehicle washracks
± Soakage± pit—
a hole dug in porous soil, filled with
small rocks and pebbles, and covered with straw (or grass)
and dirt. A drain pipe or hose empties gray water into
the pit. The water filters through the rocks and into the
surrounding soil.
Food±Sanitation±Center…
How to
Drain
Without
Pain
when you set up your
food sanitation center
(fsc), make sure the
50-ft drain hose runs
downhill
or, at the very
least, across level
ground. here’s why…
Pump±pushes±
gray±water±
through±hose
…or±in±a±shallow±ditch
Keep±people±from±tripping:
run±hose±alongside±logs…
Hose±must±stretch±
from±grease±separator±
to±soakage±pit
I know why
the grease
separator
isn’t
draining…
…the drain
hose is
going
uphill!
714 48-49.indd
1-2
4/3/12
10:04 AM
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