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PVA PVA2000 - Procedures

PVA PVA2000
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Operation and Maintenance Manual Rev M(ii) 4/03
- 50 -
Procedures
Ball Screw Slides
The slides should be greased via the fitting on the carriage every 100KM or approximately once a month.
Clean any buildup on the ballscrew and seals. The manufacturer recommends using a lithium type soap
base grease (JIS Type 2). Not all models have slide with grease fitting. If a slide does not have a grease
fitting, simply apply a small amount of grease to the slide, then work the slide back and forth.
Inspection
The cables in the flexible cable carrier should be checked for excessive wear. Any worn cables should be
replaced. Check for loose screws in the top frame and end effector.
Conveyor Belt Replacement
1) Lockout the power and air supplies.
2) Remove the dust cover plate. The dust cover plate is located near the conveyor motor on the inside of
the conveyor.
3) Remove the old conveyor belt from the pulley wheels.
4) Clean the conveyor rails where the belt rides.
5) Install the new conveyor belt. Start by placing the belt on the pulley wheels farthest from the motor.
NOTE: Make sure that there are no twists in the belt.
6) Place the belt around the large pulley wheel, then around the remaining wheels.
7) Rotate the pulley wheels several turns by hand. This ensures that the belt is correctly seated.
8) Replace the cover plate.
Valves
Refer to the Cut Sheets section of the Operating Guide for information about the dispensing / spraying
equipment.
Servicing the Inline Material Filter
Machines dispensing or spraying low viscosity materials (such as conformal coating) may have an inline
stainless steel filter on the pressure vessel. If material flow appears restricted, the filter element could be
clogged. All parts of the filter are stainless steel and can be cleaned several times before replacing. Follow
these steps to clean or replace the filter:
1) Turn off air supply pressure to the pressure vessel.
2) Turn off the material valve on the vessel.
3) Using two large adjustable wrenches, separate the two sections of the filter.
4) Remove the stainless steel filter element, noting the proper orientation.
5) Clean or replace the filter as necessary.
6) Reassemble the filter and pressurize the system. It may be necessary to purge any trapped air from the
system.

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