GARBAGE DISPOSAL UNIT DESCRIPTION AND MAINTENANCE INSTRUCTIONS

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00038R002100020001-7
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 18
• Document Creation Date: December 22, 2016
• Document Release Date: August 2, 2011
• Sequence Number: 1
• Content Type: MISC

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GARBAGE DISPOSAL UNIT
Description and Maintenance
Instructions
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CONTENTS
Page
I. DESCRIPTION .............................. 3
A. Application and Banc Craracter:tt:cs ........... .
B. General Description and Description of lndiv:d i Un
1.Hopper ................................
2. Slut-Off t'al~=e .. .........................
3. Non-Return Screw-Down Flapper Valve ~~. itDrive ..
C. Auxiliary Systems .......................... ;
D. Control Instruments ........................ ,
II. MAINTENANCE LISTRUCTIONS .................. .
A. General Supervision and Upkeep .................
B. Preparatory Steps ,,,,, , ,,, , , , , , , , , , , , , ,
C. Starting, During-Service Maintenance and Stop;g ... ,
D. Maintenance When Not in Use for Long Time ....... .
E. Troubles and Remedies ..................... .
F. Preventive Maintenance and Repairs ....... , ... , , ,
G. Disassembly and Assembly ................... .
(a) General . ..... .........................
(b) I}isasseznbly .......................... .
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. (c) Assembly _. - . .. . . . . . . . . . . . . . . . . . . . . . .
H Inactivation `and Ac tivation ....................
Inactivates; opt j3oard: the Ship . . . . . . . . . . . . . ,
the dip . . . . . . . . . . . . . . . . . ii
 -r- ?.... ...,. ..v.-a.ww~ a-- W~ ? 1 w 41 L S 3Il CdI.
c. 4 . 'r't%a..e~5fs3i~.i iCa b., .Y.a~.a N . _a _ .1 _i _ - _
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I. DESCRIPTIOti
A. APPLICATION AND BASIC CFLARACTLRISTICS
is used to connect the shut-off valve.
B. GENERAL DESCRIPTION AND DESCRIPTIO
. 'OF iNDIVIDQAL UNITS
1. Hopper
(See Appendix No.2 )
is;.consits of casing 13, ring 11 of the closing gear, cover 9, bra-
attachment of the hopper to the foundation,
:s coaming 12 with grooves and an annular
gear equipped
nt
The
._.
v
z?--a
~'
$d with stop 18 and stopper 22.
,`Xsle ar! Weld-ofis. to secure bracket 7 for hingeing the
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i.4 garbage d: posal unit is designed for disciarig . ur^ Ord gal -
:r t ..:,d c :.er food remnants (except for tc,nE~1 v . ranr.:-g c, t.
f r:'e ~- d submerged withu, the operatLng dep;of sabn,ergenc!' dt ., fE~eed
? 8 kr:ots.
The maximum weight of parts of the unit c:.r:-g d:sz?:en-.L;?, doe, ct
c \; eed 98 kg. The maximum permissible press :re inside tr.e i op er d :r:
o'., ing is 35 xgfi sq.cm.
(See Appendix No.1)
The garbage disposal unit is arranged in compartment IV twee?n
frames 78-79, starboard.
The unit consists of hopper 1, of approximately 30-lit.capacity:
shut-off valve 2; non-return screw-down flapper valve 5; drive 3 for t e
flapper valve; water and air pipe lines with all necessary shit-off ar.d cc
After the hopper has been charged with garh2ge, sea v.ater is added
there, after which the hopper is blown with compressed air. After blov. ir;g,
the air is bled from the hopper into the compartment either through the
check valve or through the deodorizing filter.
fittings.
',& *#IiJ.a4 Ii LJ4L1g WV Cover.
-:*ions to supply water and air to the hop-
nipped with closing gear removable
`h1ngeiog: the cover on the casing of the hopper. At
ply and a handle for bingeing the cover are pro-
lQ being arranged in the bottom of the cover.
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. The drive of the closing gear is just spur gear 20 manufactured mteg-
ral with the shaft and installed in bracket 21. The spur gear is engaged w:tr;
quadrant 19 secured on ring lI of the closing gear.
Released and pressed positions of cover 9 are shown by ind:r_ 'tr,r 2 ; a.
inscriptions RELEASED (O AT) and PRESSED 3K AT} provided on
the cover.
2. Shut-Off Valve
(See Appendix No.3)
This is the second shut-off stage to prevent sea water from ertter:rg
the bopper.
The shut-off mechanism of the valve is positioned at an angle 3
the flow path. When the valve is open, piston 24 enters the cav,ty ur,r
cover 25, thus letting the waste of the hopper pass freely.
following systems: pipe
ded with valve 41 for
intended to feed air to
to hopper; pipe line with
swing. To check shut-off
lye 35 with a drain pipe
escape from the sanitary
illed, the drain pipe
Cvonected through unions
far as valves 37 and 41 are
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Non?Return Screw-Down Flipper Valve with Drive
(See Appendices Nos 4 and 5)
?Crew?down flapper valve mounted on tl~e prey -
braA~! lady 27, detachable cover 26, disc 2 a v., r
?*nd .btt 30. In the hub of the lever there : = ..
?att through an angle of 90". T=.: s
clod of the disc or free turn
!!;forced opening of it.
with the aid of the drive
33, handle 31 and indicator 22
:-:forced closing - CLOSED
L (cF;fl =O and forced
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The pipe lines from the
der, u
together with the hoooer under -'
per with water and by blowing it t~-.atr`~td ff
air system.
During the test the rover of the bpperahafl
The pipe line running from valve $8 ifor the R
under a pressure of 0.5 kgflaq.cm
The drain pipe line is subjected to,flaod taut.
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II. MAINTENANCE INSTRUCTIONS
A. GENERAL SUPERVISION AND UPKEEP
(a) Keep the garbage disposal unit and its water and air supvstPrr;s
in good order and in constant readiness for action, r
(b) See to it that the pipe lines and the fittings be perfectly tight and
give special attention to the sea fittings and flange connections.
(c) See to it that the gland packings of the valves and flapper va1.v~
in good order.
(d) See to it that all the friction parts of the fittings and drlvs arc -rJ-
perly lubricated.
(e) Regularly carry out preventive maintenance and repairs in a c c' ,- _
ance with the directions outlined in Section 11-F.
(f) Keep the control instruments in first class condition. In cabs
instruments produce incorrect readings or the terms of their check- :; 4 are
over, send them for testing or replace with new ones.
B. PREPARATORY STEPS
Initial Position
(a) Cover 9 ed the hopper is closed and locked with stopper 22.
(b) The.hand~ pt the closing gear drive of the hopper cover :E rt : :v d
and kept is the Ord puce.
tit All..!)re tral4tv~a c the eystems and the non-return screw-do::n ':per
valvu:a are I i th CLOED position.
.tea sur* ih*t no water and air pressure are present in the ~., ~.
(
'
.
rezdii
atthor.a
~f pressure
au
e 36) f
g
g
,or which purpose opr
!? w~ttes" t$ present in the hopper or after water stops esca
:
p
from it a *#r has been completely bled, clpse valve 35 and cock 42.
CAUTiOhtf . '
Into the hopper. Wipe the coarning of the hopper and
-
of the coverith
. w raga to remove waste.
tat load tins. large bones and broken glass into the hopper.
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bt :case rra-ter does not stop escaping from the hopper or air does r,ot
r open the hopper cover until faults have been repai red.
C. STARTING, DUR1 G-SERVICE MAINTENANCE
AND STOPPING
-:. I1 from stopper 22, mount the handle on drive 16, re-
b r Ztatiflg the handle in the counter-clockwise direction aria
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5. Close the cover,'~y turning the handle in the clockwise direction
press it against the roaming and lock ring 11 with stoper 22.
6. If garbage ie thick,add sea water, for whir" =!..:rpose opera valve 4i cn
the Kater line arid close it afterwards.
Set non-return screw-down flapper valve 5 to tiie NEUTRAL p+.-
hon (automatic operation) and open shut-off valve 2.
CAUTION!
Never bet the flapper valve to the OPEN (forced opening) pc,s:ti n
the hopper is being blown.
8. Open valve 37 and blow the hopper. Hissing noise of th? air escap:ng
overboard indicates that the blowing has been completed.
9. Close valve 37 and shut-off valve 2.
10, Bleed air from the hopper into the compartment througr~ {:^e .r:
valve 35 or through butterfly valve 38 on deodorizing filter 40. Wren dcir,g 5c,
slowly open butterfly valve 38 and bleed the air from the hcrrer t. t::E-
ruing filter and simultaneously watch pressure gauge 39 whose redrgs
should not exceed 0.5 kgf/sq.cm, since deodorizing filter 40 is rated for a
pressure of 0.5 kgflsq.cm.
N o t e: When bleeding air to deodorizing filter 40, regularly (every
~.e utUned under Section II - H.
for absence of v- ater and
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25-30 seconds) open valve 35. In case water starts escapg
through the check plug, immediately close butterfly yaive 38
lest water should get into the deodorizing filter. Presence of
?*ater indicates that valve 2 and flapper valve 5 are unt:ght.
a1 unit is to be used for the second tir: -,
:ifl CAN 'bye -dispos
proceeding in accordance with the directions out-
. been dischsrged from the hopper, thoro ugh ly
# bpur oaesfill the hopper with water tv ice U-
in accordance with the directions ct't-
t.is not to be used for the purpose
position proceeding in accordan-
a.
NOT IN USE
C of preventive
tion fl-P.
i jdt.onboard the ship:
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Restore the preservative laver, t1 necessary.
17. Open tL. cover of the hopper to inspect its inter:or and replace
the rubber packing ring in accordance ?? in the di: ectws A Sects ii
and Items 3 and 5 of Section 1I-C.
18. The stench for opening valve 2 and tre r.ar.;i1C for the dr;ve ,r
flapper valve 5 Ei,c ld :~e removers and k'i,?. r.t cr the gir- bE
19, Every year or. ?n the inact~vc ur,:' anc : t; l:~ rt t. c r-.-
condition and to reinactate tre
No.
I;. TR()l'f~LES AND RE:%1ED1S
2(1, Troubles and their remedies are grvcr; beloti'..
Trouble Ca. se
C crrec t,or, cn
i t e s;~:~
21 ! t\ ater in hopper 1. Valve 41 1eaF:1. Blot. i.o,?r rr c:.
,
i VC: 2 a :d ::::2
Open check . aive
Oper. valve 41 v -
i
:rt:1 ?.v; ier eta! '.j ;
through valve t. .
Wnen no eater esc--
Icheck valve a!._^~t .
vale ^
?e 41 i4 cl.?f.~:err'.
I
if aster Fevers
~'~ ere is leakage, c.:c
:'?'ater 6'lp!'R' i. `?.- r
i X.
remove trouble
2. Bloa. topper. If aster
several blow ings v, te: r :: , - -
age persists:
(a) close flapper valve
lap valve 2 in case tr.e :a--~
is leaky
(b) i -place packng r:g r.
ceeding in accordance
directions outlined under
item 44, Section U-G,:r. case
flapper valve 5 is lea- v
Cut out air supply frog,
intermediate pressuue air sys-
tem and repair valve 37
1. Close valves 41, 37 and 2
and make sure that pressure
gauge 36 reads no pressure
of air and no water leaks
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No.
Trouble
Cave
through valve 35. Open cover
of hopper and thoroug' 1y clean
packing aurfaces of ring iG
and coaming IZ
t
damaged ce it, if necessary
z. Packing rang 2. Inspect ring 10 and rep1a-
F. PREVENTIVE MAINTENANCE AND REPAIRS
(a)1 l1
25. Follow the hrectfons outlfned under Items "a", ? ?b", 'c" and
? ?f ? ? of Section Il-A.
26. Check the garbage disposal wilt for operation, for which purpose
fill the wait with water with subsequent blowing it with air proceeding in
accordance with the dlrectfioas ouflined under Sections U B and li-C.
fib) W ?ly atrld Zwuy Time Before Putting to Sea
27. Perform the proeedeeee d daily ln.p.elfon.
28. Clean is iehrior d the bopper and its cover with rags soaked
in kerossn: to remove fat,
29. Coat lbe tr1c posh o[ the garbage diapoaal unit with lubri-
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,elbow 4 and pipe 6 in the double-
. pipe 6 with paint or
following the direc-
robber rfn(s and `land
and lubricating channels
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37. Remove dire and o'.d lubricant from he -~ ? a
dr.ve for the flapper valve and the drive of the closgear av~ _ -s-
with fresh lubricant.
38. Check the outboard valve and the garbage Wsrc =a_ _
tightneU,
39. On completion of the docking preced.:: e , Cc 'r
r e
flapper valve 5 should be closed and left :n h:s
e
u: sposal unit is to be tested again or tc b- .~ =Pc ' c r _ :
t c for.
G. DISASSEMBLY AND ASSEMELt
(in the scope of preventive mat :tenar:ce
and inactivation on board the slip)
(a) General
40, The garbage dipposal unit may be th arse:.b:ec -
submarine is docked.
Hopper 1 hnd valve Z may be disassembled e t.-~
afloat, with flapper valve 5 closed.
41. In case bi disassembly of the garbage dapo~ ai
valve 5 closed the handle for opening and closing the f' ~?r
be removed from the drive. In this case special care =-s i _-
drive for opening and closing the flapper valve.
41. 8store cQmplete disassembly of the garbage
d__
It. l **s1 au the matitt~ nart3 ~r~ v- _ - - -
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4b#.ng ring on the raopper c er - '
~tioor close valve :and fiapp~_ ? ~- _ -_
the valve and the handle I c r .` - = -
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Prior to assembly wash all the parts in kererne and v.li,t? tnerr,
2r7 ac:th clean rag. .
48. After ssernbly check the garbage disp~ s 1 :; fc,r + ?
accordance with the requlrE?rnf'nts of the r. spect;v?- (1r ~.. r:ti5.
{:. Check the garbsgF' unit for c,perat:(,:: ..?
s.:'rla.nce v.:tr tr.e :"+'(7?..rt':TiCnt.~ l,..tilned Urider Sectr11-1 ;t::': Ii
H. L\.ACTIti ,=. no\ AND ACTIVATI(.)
'.
tsl In ~cti~"_tic,,n c,r~ I~oard thF 5r
a :. Start lnac'iyation of the unit when It is t7?' .r :t
_?~: -rd.:nce with Section II-b.
,.......e cc,: rr of t ht- h~ p;}er }arc>ct. J... :ri :t' c ',rd;~nc t? ..... :, r '.
. --.= 1.t rx d ..nder lten":s 1 and 2, e_tior: I1-t :nc; It. r ;, ,pct. .. II-(
Clean the interior of the nopr anc .ts . :er fr? ::. _ .. ,:;
. ,tn rag6 sc-aked in kerosene , wipe dry witr: clean rags i tr,Hr":
. t- .t-. s ;;seer of lubricant AMC-1.
-. '._'_ean the unpainted surfaces r.r t /e :?rtti .. _.` : f.
. .s .~eJ as the Irictte r, aa: - `
.r rT_ dart Ti old lubricant and tr,er~ 'et +t.( rr
..- p } :r1d.
5L. ~..;p t!-.e c~ . er f LF:r
h;t= . . ..
:
.
g
.... . - u ? .~ 1 1? r . ... w w f n ~. ?. .. - .. - ... _ . _ 1 .' 1 ] -
: - ...~~ ;st=ar er:re and close check v y:?. e S.
~ :. Re!-! : e the tti rer.ch front '. . P 2
F~:i?war valor 5. Keep them near t:.t hart;:~Kt?
(b) Actwatlt~. n In :ir' t':e 1'.:i.
33. Corr.pletely remove corresri-;r?. .,. Jt. : r
the uatt, asZ them with kerosene, :pe .r. r
to make sure that they are in goad Lrdr end .,t .?. .,
of luuricsatt AMC-1.
58.. Ch,CM the garbage d;sposa: unit f .
etJgJf:&fp with the requirements outlined under ~+_ t.t Ii-L :..
(zrt &apo ai unit with water and b1c~ing it ?ith a:r.
1. REFERENCE DATA
IL Fare lubrication of the outboard parts cf he garbage :::-
suit I?tcat AMC-1.
ZIP rub r parts should be used or stored for nc t rri r e
S Maas.
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APPENDICES
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f!icr,nj
"PS f urf
l~ ~1
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aY; eg ?
? ~ i
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Installation of Garbage
Disposal Unit
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