Magnum Venus Plastech Powerhead VPH-10000 - Manual (Page 22)

VPH–10000 Powerhead Manual
Rev. 05/2012 Page | 22
4. Remove the Stem Seal (MPH-2511-01) from the bottom of the Upper End Cap
(VPH-10002). Remove the Seal Guide (MPH-2512) with the Spring (MPH-2528).
Replace O-ring (O-B-012) and lightly coat O-ring and Stem 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).
(See Figure 6)
Figure 6
Install the Spring MPH-2526 after the Spring Housing (MPH-2541),
Spring (MPH-2533) and Inlet Rod (MPH-2514) has been installed in the top of the End Cap.
5. Insert the Spring (MPH-2528) with the Seal Guide (MPH-2512) into the End Cap.
Set the small end of the Seal Guide (MPH-2512) onto the Spring (MPH-2528). Set a
new O-ring (O-B-008) on top of the Seal guide. Screw the Stem Seal (MPH-2511-
01) with Valve Stem (MPH-2513) into the Upper End Cap. (See Figure 7)
Figure 7
6. Repeat the Pilot Valve rebuild on the Lower End Cap.
MPH-2513 Valve Stem
O-B-012 O-Ring
MPH-2511-1 Stem Seal
O-B-008 O-Ring
MPH-2512 Seal Guide
MPH-2528 Spring