Magnum Venus Plastech Pro Series VPRO-45220 22:1 & 7:1 - Manual (Page 38)

VPRO-45220 Series Resin Pump Manual
Rev. 11/2013 Page | 38
Remove Operator Valve Assembly From Pump:
DANGER: Before performing service or repair on this equipment, be sure to disconnect
all air to the system.
1. Be sure all fluid pressure and air pressure is relieved from the system.
2. Remove the red air hose and the clear tube from the shift block assembly.
3. Remove the air tube (MPM-2583-1) from the top of the air motor cylinder head.
4. Remove the three screws (F-HB-04C-20) from the front of the shift block
5. Remove the shift block assembly from the pump.
NOTE: The O-Ring (O-S-012) at the top of the shift block assembly needs to be inspected
and replaced if needed.
Remove Valve from Shift Block:
1. Remove the urethane tubes (MPM-2052-5.5) from the valve body (VPRO-2003).
2. Remove the two mufflers (VPRO-2004) from the valve body.
3. Unscrew the nipple (PF-HN-06S-04) and reducer (PF-RA-04-02) from the valve body.
4. Unscrew the two tube fittings (7701-6-4) from the valve body.
5. Remove the two machine screws (F-MS-832-24) from the valve body (VPRO-2003).
Note: The guard (VPRO-2002) will also come loose when you remove the machine
screws.
6. Remove the valve and guard from the actuator body.
Install Valve onto Shift Block:
1. Install the nipple (PF-HN-06S-04) and reducer (PF-RA-04-02) onto the valve.
2. Install the mufflers (VPRO-2004) onto the valve.
3. Screw the two tube fittings (7701-6-4) into the valve body.
4. Hold the guard (VPRO-2002) and valve (VPRO-2003) up to the actuator body (VPRO-
2003) and attach with machine screws (F-MS-832-24).
5. Attach tube (MPM-2052-5.5) to the valve.