Magnum Venus Plastech PATRIOT 3-1_4 PAT-PH-3250 Series - Manual (Page 22)

PAT-PH-3250 Series Powerhead Manual
Rev. 05/2012 Page | 22
MPH-2526
O-U-006
MPH-2540
MPH-2533
O-B-012
MPH-2541
MPH-2528
MPH-2512
O-B-008
MPH-2513
O-B-012
MPH-2511-01
SPRING (MPH-2528)
Fig. 7
STEM SEAL (MPH-2511-01)
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).
Fig. 6
8. 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 (MPH-2512). Screw the
stem seal (MPH-2511-01) with valve stem (MPH-2513) into the upper end cap.
9. Repeat the pilot valve rebuild on the lower end cap (PAT-PH-3204).
VALVE STEM (MPH-2513
O-RING (O-B-008)
SEAL GUIDE (MPH-2512)
O-RING (O-B-012)