Viking Pump TSM445: LVP Vane Pumps - Manual (Page 10)

SECTION TSM 445 ISSUE C PAGE 10 OF 11
Mark the valve and head before disassembly to insure proper
reassembly.
1. Remove
the valve cap.
2. Measure and record the length of extension of the
adjusting screw. Refer to “A” on figures 15 and 16.
3. Loosen the locknut and back out adjusting screw until
the spring pressure is released.
4. Remove the bonnet, spring guide, spring and poppet
from the valve body. Clean and inspect all parts for
wear or damage and replace as necessary.
fIgURE 16
Sizes LVP 05, 08, 19 and 23
PRESSURE RELIEf VALVE
INSTRUCTIONS
LIST Of PARTS
1. Valve Cap 6. Valve Body
2. Adjusting Screw 7. Valve Spring
3. Lock Nut 8. Poppet
4. Spring Guide 9. Cap Gasket
5. Bonnet
fIgURE 15
Sizes LVP 01 and LVP 02
DANgER !
Before opening any Viking pump liquid
chamber (pumping chamber, reservoir,
relief valve adjusting cap fitting, etc.)
Be sure:
1. That any pressure in the chamber has
been completely vented through the
suction or discharge lines or other
appropriate openings or connections.
2. That the driving means (motor,
turbine, engine, etc.) has been “locked
out” or made non-operational so that
it cannot be started while work is
being done on pump.
3. That you know what liquid the
pump has been handling and the
precautions necessary to safely
handle the liquid. Obtain a material
safety data sheet (MSDS) for the
liquid to be sure these precautions
are understood.
failure to follow above listed
precautionary measures may result in
serious injury or death.
DISASSEMBLY
LIST Of PARTS
1. Valve Cap 6. Valve Body
2. Adjusting Screw 7. Valve Spring
3. Lock Nut 8. Poppet
4. Spring Guide 9. Cap Gasket
5. Bonnet 10. Bonnet Gasket