S
emi-Automatic
P
riming
V
alve
9
Figure 8. Hale SPV Valve Mounting Using Universal Adapter
HALE SPV
ASSEMBLY
UNIVERSAL
MOUNTING
ADAPTER
PRIMING
STRAINER
SEAL
RING
DIAPHRAGM
COVER
DRAIN
7
/
16
-14 NUT (2)
7
/
16
-14 x 1-
3
/
4
INCH
LONG STUD (2)
NOTE: STUDS MUST BE INSTALLED IN
HOLES THAT LIE ON THE
HORIZONTAL CENTERLINE OF
THE UNIVERSAL ADAPTER.
position.
7. Apply a light coating of thread locking
compound (Loctite #290 or equal) to the
exposed stud threads. Secure the Hale
SPV valve in place on the universal
mounting adapter using
7
/
16
-14 nuts.
WARNING:
Use only pipe, hose, and
fittings from the priming pump vacuum
connection to the Hale SPV vacuum
connection rated for 29 in (737 mm) Hg
vacuum.
8. Attach
3
/
4
inch (19 mm) ID vacuum hose
from the hose connection on the Hale SPV
to the priming pump connection. Use hose
with
3
/
4
inch (19 mm) inside diameter that is
rated for 29 in (737 mm) Hg vacuum
(Aeroquip 2556-12 or equal). Make sure the
hose is routed and properly secured in place
to prevent chaffing and abraision.
9. Install a fitting on the side opposite the Hale
SPV on the universal adapter. Connect a
3
/
4
inch (19 mm) inside diameter hose rated for
29 in (737 mm) Hg vacuum (Aeroquip 2556-
12 or equal) from the priming tap on the
pump body to the hose fitting on the
universal mounting adapter.
10. Test operation of the Hale SPV and priming
pump. Conduct vacuum and hydrostatic
tests in accordance with department
procedures, NFPA1901 or NFPA 1911.
PRIMING HOSE CONNECTION
USE ¾ INCH (19 mm) INSIDE
DIAMETER HOSE