Magnum Venus Plastech Pro Series 11:1 PRO PUMP VPRO-45110 - Manual (Page 27)

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Parts Drawings:
To disassemble the shift valve, please follow the procedures below. Please refer to drawing
VPRO-2000 Shift Block Assembly and drawing VPRO-45110 Pro Pump Assembly.
DANGER: Before performing service or repair on this equipment, be sure to
disconnect all air to the system.
WARNING: Be sure to wear appropriate safety equipment, including gloves and eye
protection.
Check Socket Cap Screw Position:
Before performing service and repair on the shift block, be sure the socket cap screw
(F-CS-04C-24-SS) and trip sleeve (85806-1) is in the center position of the pump.
NOTE: The socket cap screw and trip sleeve is shown on drawing VPRO-45110 Pro
Pump Assembly.
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.