Hale Master Intake Valve - Manual (Page 11)

9
M
ASTER
I
NTAKE
V
ALVE
Loctite #242 or equal and insert through
holes in the flange and thread into
bottom opening of suction tube
extension. Torque cap screws and nuts
to 40 ft-lb (54 N-m).
C. PLUMBING RELIEF VALVE
WARNING: Male threads on relief valve
outlet are sharp and can cause severe
cuts. be careful when working around
the exposed threads on the relief valve
outlet
WARNING: The outlet of the relief valve
can flow large volumes of water under
pressure. Therefore, the discharge must
be piped in a manner that will not
expose personnel to high pressure water
streams.
NOTE: The relief valve is attached to the
Hale MIV when shipped from the
factory. Apparatus configuration may
require that the relief valve be mounted
in a remote location. Step 1 below
provides procedures for mounting relief
valve in a remote location.
1. To Mount the relief valve in a remote
location do the following:
a. Remove the four 7 /
16
-14 UNC X 1-¼
inch long hex head cap screws that
secure the relief valve adapter and
relief valve to the mounting pad on the
Hale MIV body. (See figure 5)
NOTE: All cap screws, studs and nuts
must be locked in place using Loctite
#242 or equal thread sealing
compound.
NOTE: When the valve body is installed
make sure the valve disc is next to the
suction tube extension. The relief valve,
drain valve, air bleeder valve and
priming valve must be located on the
inlet side of the valve. When the Hale
MIV is properly orientated for installation
the gearbox will be located towards the
front or rear of the apparatus
depending on which side of the pump
the valve is located. See figure 4.
2. If necessary the gearbox may be
rotated for proper installation. Refer to
Part J of this section for instructions on
how to rotate gearbox.
3. Coat the threads on one end of two
7/16-14 x 6-¼ inch long grade 5 studs
with Loctite #242 or equal and insert into
threaded holes on bottom of suction
tube extension. Torque studs to 40 ft-lb
(54 N-m). The studs are installed in holes
located at the 1 o’clock and 7 o’clock
positions, when viewed from below, on
the suction tube extension. See figure 3.
4. Orient valve so the relief valve and
gearbox are located as shown in figure
4.
5. Make sure the o-ring seals are seated in
the grooves on the valve body and coat
all sealing surfaces with a light coat of
general purpose grease.
6. Carefully slide the valve and flange over
the studs making sure the studs align
with the holes in the valve body.
7. Apply Loctite #242 or equal to threads
on the studs and install two 7/16-14 nuts.
8. Coat the threads of eight 7/16-14 x 5-¾
inch long grade 5 cap screws with
Figure 5. Relief Valve Adjustment
ADJUSTMENT
LOCKING
SETSCREW
ADJUSTMENT
CAP SCREW
2-½ INCH NPT
WATER OUTLET
CONNECTION
RELIEF VALVE
MOUNTING
ADAPTER