Magnum Venus Plastech PATRIOT 1-1_4 PAT-LS-12270 - Manual (Page 19)

PAT-LS-12270 Series Fluid Section Manual
Rev. 01/2012 Page | 19
Fluid Section Disassembly:
1. With the Fluid Section securely mounted in a vise or on the system use a 5/16 Hex
wrench to remove the four socket cap screws from the Inlet Body.
2. Securely mount the Fluid Section vertically in a vise. Push the Fluid Rod
Assembly down into the pump as far as it will go.
• Inlet Body Disassembly –
3. With the pump mounted in the vertical position carefully lift the Outlet Body off
the top of the Inlet Body. Use caution as the Fluid Rod assembly may lift out with
the Outlet Body.
4. Remove the Fluid Rod assembly from the Inlet Body or Outlet Body if it came out
with the Outlet Body. Set the Fluid Rod assembly aside.
5. Remove the Piston Bushing and O-ring from the Inlet Body or Outlet Body
depending on where it is stuck.
6. Remove the Piston Seal from the Inlet Body.
7. Remove the Inlet Valve from the Inlet Body. If the pump is mounted in the vise by
the Inlet Valve flats you should be able to turn the Inlet Body free of the Inlet
valve leaving the Inlet Valve mounted in the vise.
NOTE: Use care not to damage the pump when clamping it into a vise. Use a
soft jawed vise or a towel or rag between the vise and pump. Replace all
parts provided in the repair kit. Use only original MVP parts.
NOTE: Secure the pump vertically in the vise by the flats on the Inlet Valve
or the Inlet Body. Use care not to damage the pump when clamping it into a
vise. Use a soft jawed vise or a towel or rag between the vise and pump.