Magnum Venus Plastech Pro Series 11:1 PRO PUMP VPRO-45110 - Manual (Page 18)

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Connect the Upper Slave Arm:
1. Coat the hex screw (F-HB-04C-24) with Lubriplate
®
grease.
2. Connect the upper slave arm (VPRO-1001 or 85717-1) to the pump by using the two
wrenches to install the hex screw and the lock nut (F-LN-04C).
3. Install the plastic plug (15515) over the hole on the side of the pump’s center section.
DANGER: Serious injury or amputation. Never operate the pump unless the plastic
plugs are installed on the pump. Serious injury or amputation may occur.
DANGER: Never insert fingers or tools into the pump cavity during operation.
Serious injury or amputation may occur.
4. Push down on the slave arms and clamshells to remove the packing set from the
bottom the pump. If you are unable to do this by hand, reconnect the air and slowly
increase air pressure until the pump reaches the bottom of the stroke, then shut off
the air.
5. Disconnect the air.
NOTE: If the packing set have not come down far enough, gently insert a blunt tool
into the pump cavity and use it to drive the clamshells farther down.
6. Remove the following components from the bottom of the pump
a. The male compression ring (87060-1).
b. The piston rod packing set (VLS-4605).
c. The female compression ring (VLS-4604).
NOTE: The piston rod packing set (VLS-4605) will need to be replaced during
reassembly.
7. Remove the clamshells through the bottom of the center section.
8. Inspect the inside of the packing cavity. It should be clean and free of material.
Remove Cylinder Head:
NOTE: Use drawing VPRO-45110 Pro Pump Assembly and VPRO-2000.
1. Remove the air tube (MPM-2583-1) from the top of the Pro pump air motor.
2. Use a wrench to unscrew the cylinder head (15983-1).
3. Inspect the inside of the cylinder head (15983-1) for wear or damage.
4. Remove O-Ring (O-B-242) from the air motor piston (15888-1).
5. Remove O-Ring (O-B-157) from the top of the center section casting (85729-3).
6. Remove hex nut (F-JN-07C) from the top of the air motor piston.
7. Unscrew the air motor piston (15888-1) from the piston rod (85810-1).