Post on 05-Apr-2018
7/31/2019 Air Compressor(v Type)
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AIRCOMPRE
SSOR(V-TYPE)
7/31/2019 Air Compressor(v Type)
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REG
ULATIONSONAIRCOM
PRESSORS
AirCom
pressornum
berandcapa
cities:
Twoormoreaircompressorsareto
befittedhavinga
totalcapacity,
togetherwithatoppingupcompressor
wherefitted,capableofchargingthe
airreceiversw
ithin
1hourf
romatmosphe
ricpressure,to
thepressure
sufficien
tforthenumb
erofstartsreq
uireAtleastoneof
theairc
ompressorsis
tobeindepen
dentofthema
in
propulsionunitandthecapacityofth
emainair
compressorsistobeapproximatelyequallydivided
betweenthem.
Theca
pacityofanem
ergency
compressorwhichmaybeinstalledt
osatisfythe
requirem
entsoffirststartistobeign
ored.
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REG
ULATIONSONAIRCOM
PRESSORS
Maxim
umd
ischar
geairtemp
erature
Theco
mpressorsa
retobesod
esignedtha
tthe
temperatureofthe
airdischargedtothestarting
airreceiverswill
no
tsubstantiallyexceed93
'Cin
service
.Asmallfus
ibleplugoranalarmdevice
operatingat121&C
istobepro
videdoneac
h
compressortogive
warningofexcessiveair
temperature.
Thee
mergencyaircompresso
ris
except
edfromthes
erequireme
nts.
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REG
ULATIONSONAIRCOM
PRESSORS
Safety
Valves:
Eachc
ompressoristobefitted
withasafety
valves
oproportion
edandadjustedthatthe
accum
ulationwiththeoutletvalveclosedwill
not
exceed
10percentofthemaximumworking
pressu
re.
Thecasingsoftheco
olingwater
spaces
aretobefittedwithasa
fetyvalveor
burstin
gdiscsotha
tamplerelie
fwill
beprovided
intheeventoftheburstingofanaircoolertube.
Itisrecommended
thatcompressorsbecoo
led
byfres
hwater.
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REG
ULATIONSONAIRCOM
PRESSORS
AirRe
ceivercapa
city:
Where
themainen
gineisarran
gedforair
startingthetotalairreceivercapacityistobe
sufficie
nttoprovide
withoutreplenishment,not
lessthan12consecutivestarts
ofthemain
engine
,alternating
betweenaheadandaste
rnif
ofthereversibletypeandnotle
ssthansix
consec
utivestartsifofthenon-reversibletype.
Atleas
ttwoairreceiversofapp
roximatelye
qual
capacityaretobeprovided.
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7/31/2019 Air Compressor(v Type)
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NEEDLEPINBEAR
ING
MATE
RIAL:
ADVANTAGES:
COVERSLARGERSURF
ACE
COMPAREDTOROLLER
BEARING.
MORE
ECONOMICALWHEN
COMPAREDTOWHITEM
ETAL
BEARING.
EXTEN
DEDPINTOASSISTIN
LUBRICATION.
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NEEDLEPIN
BEARINGWASHERS
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VIEW
INCRANKCASETHROUGHINS
PECTIONDOOR
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PICTURESHOWSTHE
PINW
HERETHEL
.P
AND
H.P
PISTON
BEAR
INGSSEATS
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AVIEW
OF
L.P
ANDH.P
PISTON
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L.P
PISTON MA
TERIAL:ALUM
INIUM
ALLO
Y
L.P
PISTONISCAPAB
LEOF
PRO
DUCINGAROUND4.5
bar.
USUALLYTHEL.P
PISTON
WIL
LBELARGERIND
IAMETER
THA
NH.P
PISTON
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L.PSIDESUC
TION/DELIVERYV/V
MATE
RIAL:STAINLESS
STEEL
SUCTION
/DISCHARGEVALVECONS
TRUCTION
ISSAMEEXCEPTTHEWAYITISPO
SITIONED
.
ARRANGEMENTISSUCHTHATVAL
VEPLATE
SEATSONTHEVALVESEAT
,V/VSPRINGS
SEATON
THEV/VPLATEANDOVER
THATIS
THEV/VP
LATECOVER
,THISWHOL
E
ARRANGEMENTBEINGTIGHTENED
BYNUT
ANDBOLTANDLOCKEDWITHSPLITPIN
.
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L.P
SIDEC
YLINDERC
OVER
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H.P
PISTON
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H.P
SIDESUC
TION/DELIVERYV/V
MATE
RIAL:STAINLESS
STEEL
SUCTION
/DISCHARGEVALVECONS
TRUCTION
ISSAMEEXCEPTTHEWAYITISPO
SITIONED
.
ARRANGEMENTISSUCHTHATVAL
VEPLATE
SEATSONTHEVALVESEAT
,V/VSPRINGS
SEATON
THEV/VPLATEANDOVER
THATIS
THEV/VP
LATECOVER
,THISWHOL
E
ARRANGEMENTBEINGTIGHTENED
BYNUT
ANDBOLTANDLOCKEDWITHSPLITPIN
.
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CONNE
CTINGPIPEB/TFIRST
ANDSECO
ND
STAGE
MATE
RIAL:COPPE
R
EXTEN
DEDFINSTOASSISTIN
COOLINGBYAIR
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BEAR
INGPULLE
R
BEARINGPULLERISA
VERY
ESSENTIALTOOL
USED
TOREMOVETH
E
BEARINGS.
HERE
THISISUSEDT
O
REMO
VETHEDRIVEWHEEL
FROM
THESHAFT.
DRIVE
WHEELBEINGBELT
DRIVE
N.
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TOOLSREQIIRE
D
SPANN
ERSOFAPPR
OPRIATESIZ
ES.
ALLEN
KEYS.
BEARIN
GPULLER.
GREAS
ETOLUBRIC
ATETHENUT
SANDBOLTS.
LAPPIN
GPASTEANDTOOLIFINCASEVALVE
SEAT
ISTOB
ELAPPED.
MEASU
REMENTTOO
LSTOMEAS
UREVARIOUS
CLEARANCES.