Magnum Venus Plastech PATRIOT 5 PAT-PH-5000 Series - Manual (Page 16)

PAT-PH-5000 Series Powerhead Manual
Rev. 05/2012 Page | 16
Valve Block Disassembly:
1. Remove the two hex head screws (F-HB-04C-52) from the front of the muffler
and remove the muffler.
2. Remove the air line from the side of the valve block
3. Remove the valve block from the side of the powerhead by removing the four
socket head cap screws (F-CS-04C-40-SS) from the valve block.
4. Remove the two end caps (MPH-2521) from the valve block.
5. Remove the pipe plug (PF-SP-08) from the side of the lower valve block (PAT-
PH-5002). Rotate either of the two valve pistons (MPH-2517) until the hole in the
valve poppet (PAT-PH-5005) aligns with the pipe plug port in the lower valve
block.
6. Insert a 7/32” hex wrench through the pipe plug port and into the hole in the valve
poppet (PAT-PH-5005). (See Figure 1)
NOTE: The hole diameter in the valve poppet is .2685 (6.81mm) if a 7/32” hex
wrench is not available
Figure 1
Insert a 7/32” hex wrench
through the pipe plug port and
into the hole in the valve
poppet (PAT-PH-5005).
Unscrew either of the two
valve pistons (MPH-2517) and
remove. Repeat removal of
the second valve piston.