Magnum Venus Plastech PATRIOT HV PAT-LS-49090 - Manual (Page 17)

Patriot Fluid Section Manual PAT-LS-49090
Rev. 10/2012 Page | 17
Fluid Section Disassembly:
1. Push the Fluid Rod Assembly down into the pump as far as it will go.
2. Use a 3/4 wrench to remove the four Hex Nuts from the Tie Rods holding the Foot
Collar in place.
3. 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 lift the Inlet Body free of the Inlet valve
leaving the Inlet Valve mounted in the vise.
• Inlet Valve Disassembly –
8. Using a pair of Pliers squeeze the Ball Stop and remove it from the Inlet Valve.
9. Remove the Foot Valve Spring and Ball from the Inlet Valve.
• Outlet Body Disassembly –
10. Unscrew the Packing Nut from the Outlet Body.
11. Remove the three Rod Seal Assemblies from Outlet Body.
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: Use care not to drop the hard chrome balls in the Inlet and Piston
Bodies as they will be damaged. Replace all parts provided in the repair kit.
Use only original MVP parts.
NOTE: Check the Rod Guide (inside the Packing Nut) for damage and wear –
replace as necessary.