Magnum Venus Plastech Powerhead Powerslide VPH-2500 - Manual (Page 11)

Powerslide Powerhead
NOTE
Do not install the small spring (MPH-2526) at this time. Screw the inlet
spring housing (MPH-2509) into the upper end cap.
2. Remove the stem seal (MPH-2511-01) from the bottom of the upper end cap
(MPH-2508). Remove the seal guide (MPH-2512) with the spring (MPH-2528).
Replace O-ring (O-B-012) and coat O-ring and stem with lithium grease. Drop
the small spring (MPH-2526) into the stem seal bore, the spring should center
itself onto the end of the inlet rod (MPH-2514). (See Figure 6)
3. 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)
4. Repeat the pilot valve rebuild on the lower end cap.
Figure 6
Install the MPH-2526 after the spring housing (MPH-2509), spring
(MPH-2533) and inlet rod (MPH-2514) has been installed in the top
of the end cap.
Figure 7
O-B-012
O-Ring
O-B-008
O-Ring
MPH-2512
Seal Guide
MPH-2528
Spring
MPH-2511-01
Stem Seal Assy
MPH-2513
Valve Stem