3 - 22 Machine Maintenance 704-0212-209 VM Series Maintenance and Safety Manual
Pneumatic System
The pneumatic system includes a Filter, Regulator, and Lubricator (FRL) Unit. The filter
cleans incoming compressed air, and expels accumulated moisture through a drain. The
lubricator meters oil into the air stream to lubricate cylinders and valves. The rate at
which lubricant is released into the pneumatic system (i.e., the drip rate) is adjustable.
Filter, Regulator, and Lubricator Unit
Figure 3–4. Filter, Regulator, and Lubricator Unit
Set Air Pressure
Daily: Check the FRL unit air pressure.
If the air pressure reading on the gauge does not meet the required specification, adjust
the knob on top of the filter unit to set the correct system pressure. To adjust the knob,
pull it up and turn. To lock the knob, push it back down.
The air supply requirement for the machine is a continuous 5 CFM of
clean, dry compressed air at 80-100 psi (0.14 M
3
/min at 6.0 to 8.0
bar), and dewpoint at 1.67° C
(35° F).
1
Lubricator unit
5
Air pressure gauge
2
Drip rate adjust
6
Filter unit
3
Fill/Oil drip viewer
7
Auto moisture drain
4
Air pressure adjust
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