Cashco 5500 User Manual
Page 3
3
IOM-5500
SECTION V
V. INSTALLATION:
The Model 5500 POVV is a precision device that
must be handled carefully to ensure seat tightness.
WARNING
6JG XGPV OWUV DG KPUVCNNGF KP C XGTVKECN RQUKVKQP 6JG
tank nozzle on which the vent is mounted should have
VJG UCOG PQOKPCN FKCOGVGT CU VJG XGPVKPI FGXKEG +V
KU TGEQOOGPFGF VJCV VJG VCPM PQ\\NG ƀCPIG HCEG DG
YKVJKP FGITGG QH JQTK\QPVCN HQT DGUV RGTHQTOCPEG QH
VJG XGPVKPI FGXKEG
WARNING
/KPKOWO ENGCTCPEG DGVYGGP VCPM TQQH CPF XCEWWO
KPNGV RQTV OWUV DG CV NGCUV GSWCN VQ VJG XGPVUŏ PQOK-
PCN ƀCPIG DQTG 6CPM PQ\\NG DQTG OWUV DG ITGCVGT
VJCP QT GSWCN VQ XGPV KPNGV ƀCPIG DQTG +PNGV RKRKPI
NQCFU OWUV DG UWRRQTVGF D[ CRRTQRTKCVG UVTWEVWTCN
UWRRQTVU 016 D[ VJG XGPV DQF[
1. At installation, the POVV should be carefully
lifted into position using the lifting lugs on the
DQF[ 7UG VJG ECUG CUUGODN[
VQ JGNR
align the body directly over the tank nozzle.
DO NOT use the pilot valve or pickup line to
pull the POVV into position.
#NWOKPWO DQF[ XGPVU UJQWNF DG OCVGF VQ
ƀCVHCEGF #5/' ƀCPIGU /CVKPI ƀCPIGU
UJQWNF DG ƀCV YKVJKP Œ CPF ENGCP HTGG
of scratches, corrosion and tool marks. A full
faced gasket is recommended.
+PUVCNN VJG ƀCPIG ICUMGV QP VJG PQ\\GN HCEG
Use either a full faced or ring gasket for
TCKUGF HCEG ƀCPIGU 'PUWTG VJCV VJG ICUMGV
material is suitable for the service. See Table
1 for gasket dimensions.
6CDNG
$QF[ (NCPIG )CUMGV &KOGPUKQPU
CS, SST
150# ASME RF
O.D.
I.D.
B.C.
Hole
Qty
ŏ
--
--
--
Œ
5.38
3.50
--
--
--
Œ
6.88
4.50
--
--
--
Œ
8.75
--
--
--
Œ
11.00
--
--
--
Œ
13.38
10.80
--
--
--
Œ
--
--
--
Alum w/ 125#
ASME FF
Œ
6.00
4.75
.75
4
Œ
7.50
3.00
6.00
.75
4
Œ
9.00
4.00
7.50
.75
8
Œ
11.00
6.00
9.50
.88
8
Œ
13.50
8.00
11.75
.88
8
Œ
16.00
10.0
1.00
Œ
19.00
17.00
1.00
4. Center the gasket within the bolt circle of the
VCPM PQ\\NG ƀCPIG
5. Lubricate all studs and nuts with an appropri-
ate thread lubricant. If stainless steel studs
and nuts are required, use an anti-seize lubri-
ECPV UWEJ CU OQN[FKUWNſFG
4GOQXG ƀCPIG RTQVGEVKXG EQXGT CPF ECTGHWNN[
set the POVV down on the gasket
CPF HCEG QH VJG PQ\\NG ƀCPIG
7. Install lockwashers and nuts. Tighten nuts
to half the recommended torque value using
CP CNVGTPCVKPI ETQUUKPI RCVVGTP 5GG 6CDNG
6CDNG
Recommended Minimum Torque Values *
Size
Qty
Holes
Bolt
(UNC)
Torque (lb-ft)
Raised Face
Flat Face
Œ
4
Œ
31
81
Œ
4
Œ
43
106
Œ
8
Œ
68
Œ
8
ŏ
51
101
Œ
8
Œ
78
Œ
Œ
75
138
Œ
Œ
93
179
* Torque vlaues are based on a gasket factor m = 3.5,
gasket factor y = 4000 psi, operating pressure = 30 psi
8. Make sure that the gasket is compressed
GXGPN[ CPF VJG ƀCPIGU CTG PQV FKUVQTVGF
NOTE: /KUCNKIPOGPV QH ƀCPIG HCEGU YKNN ECWUG
DGPFKPI UVTGUUGU CV VJG ƀCPIG CPF OC[ FCOCIG
ƀCPIG LQKPV
9. Finish tightening nuts to the point that no ad-
ditional rotation occurs.