Magnum Venus Plastech Powerhead Powerslide 7000 Series - Manual (Page 15)

MAGNUM VENUS PLASTECH Powerslide Dual Rod 15
6. Remove the Button Head Cap Screw (F-BHCS-04C-16-SS) from the front of
the Lower Valve Block (MPH-5001). Twist and pull the Upper Valve Block
(VPH-5001) from the Lower Valve Block (MPH-5001). Remove the Valve
Rod assembly from the Valve Block.
7. Remove the two Cap Screws (F-CS-04C-08-SS) from each of the two Valve
Exhausts (MPH-5009). Pull both of the Valve Exhausts from the Valve
Blocks. Remove the Diaphragm (MPH-5010) from the Lower Valve Block
(MPH-5001). (See Figure 2)
Figure 2
Lift the inner edge of the
diaphragm up and
remove from block.
Coat the diaphragm
bore with lithium grease.
NOTE: Avoid putting any scratches in the Valve Blocks. To remove the
Diaphragm use a small screwdriver and push the center riser on the
Diaphragm to one side and slide out.
Repeat the removal of the Diaphragm from the Upper Valve Block.
8. Remove each O-ring and replace with new. Coat every new O-ring with
lithium grease. Coat the diaphragm bore and both valve piston bores with
lithium grease before assembling. Use a wire brush to clean the valve rod
threads of any dry thread lock compound.