Hale ESP Priming System User Manual
Page 41
41
ESP Primer System Instruction Guide
p/n: 029-0810-01-0
M ain te n an ce
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10.
Remove vacuum hose connection fitting and service elbow from the valve.
11.
Inspect all components of the valve for damage and wear. The Hale SPV
repair kit (p/n: 546-1680-00-0) contains a new diaphragm, valve and seal
ring. Always replace these components when the valve is disassembled. If
the brass seat on the valve body is damaged the SPV must be replaced.
12.
For Hale recommended cleaners, see heading “Lubricant Specifications” on
page 45.
13.
During re-assembly of the valve use thread locking compound (Loctite #290
or equal) to lock threads in place.
14.
Apply a light coating of thread sealing compound and install the service
elbow and vacuum hose connection fitting into the valve body.
15.
Insert the new valve into the valve body from the side that attaches to the
pump or universal adapter.
16.
Place the small end of the compression spring over the boss in the valve
body around the valve.
WARNING !
PARTS UNDER SPRING TENSION CAN BECOME PROJECTILES AND CAUSE
SERIOUS INJURY. WHEN REMOVING OR INSTALLING THESE PARTS MAKE
SURE THEY ARE RESTRAINED AND SPRING TENSION IS RELEASED SLOWLY.
17.
With the Hale SPV on a stable surface, place the diaphragm plate over the
spring and press down to compress spring. While holding diaphragm plate
down with spring compressed, install the #10-24 screw into the valve.
18.
Place a new diaphragm on the valve body and align screw holes.
19.
Place the diaphragm cover over diaphragm aligning match marks assuring
the cover drain hole is in the correct position when the valve is installed on
the pump.
20.
Install the 5/16-18 screws to hold the cover in place.
21.
Apply a light coating of grease to the seal ring then place strainer and new
seal ring into valve body. Install seal ring, strainer and valve assembly on
pump (or universal adapter) over studs.
Use a Lithium-based grease with 1% to 3% Molybdenum Disulfate. For a
listing, see heading “Lubricant Specifications” on page 45.