Magnum Venus Plastech PATRIOT 10 PAT-PH-10000 - Manual (Page 21)

Patriot Powerhead Manual PAT-PH-10000
Rev. 10/2012 Page | 21
INLET SPRING HOUSING (MPH-2541)
Pilot Valve Rebuild:
NOTE: The two pilot valves in the upper and lower end caps are the same. Start
with the pilot valve in the upper end cap.
1. Remove the Inlet Spring Housing (MPH-2541) from the Upper End Cap (PAT-
PH-10012).
2.
Remove Spring (MPH-2533) with inlet rod (MPH-2540). Turn the end cap over
and a small spring (MPH-2526) will fall out.
3. Replace O-ring (O-B-012) on the Inlet Spring Housing (MPH-2541) and the O-ring
(O-U-006) on the Inlet Rod (MPH-2540). Coat O-rings and Springs with a light coat of
SUPERLUBE grease (SUPERLUBE). Set Spring (MPH-2533) into the Inlet Spring
Housing (MPH-2541) with Inlet Rod (MPH-2540) facing up.
4. Screw the Inlet Spring Housing (MPH-2541) into the Upper End Cap. Do not install
the Spring (MPH-2526) at this time it will be installed from the bottom.
5. Remove the Stem Seal (MPH-2511-01) from the bottom of the Upper End Cap
(PAT-PH-10012).
6.
Remove the Valve Stem (MPH-2513) and Seal Guide (MPH-2512) with the Spring
(MPH-2528).
7. Replace O-ring (O-B-012) on Stem Seal (MPH-2511-01) and coat O-ring and
Stem Seal
with SUPERLUBE grease (SUPERLUBE) . Drop the small Spring (MPH-
2526) into the Stem Seal bore, the Spring should center itself onto the end of the
Inlet Rod (MPH-2540).
SPRING (MPH-2526)
INLET ROD (MPH-2540)
O-RING (O-U-006)
SPRING (MPH-2533)
O-RING (O-B-012)