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Maintenance and Repair
8 309921N
Pressure Relief Procedure
The following is a basic pressure relief procedure. Be
sure to follow the specific pressure relief procedure in
your spray gun and/or fluid supply equipment manuals.
1. Close the main air shut-off valve.
2. Trigger the gun or dispense valve and open any
drain valves to relieve pressure.
Maintenance and Repair
Air Filter 234402, Series B
To maintain maximum filtering efficiency and avoid
excessive pressure drop, the filter must be kept clean.
See Manual 309919 for cleaning and parts information.
Coalescer 234397, Series B
See Manual 309919 for operation, cleaning, and parts
information.
WARNING
To avoid injury, relieve air and fluid pressure before
checking, cleaning, or repairing the equipment.
• Relieve the pressure before cleaning, checking
or repairing. Follow Pressure Relief Proce-
dure, above.
• Check system at least once per shift to ensure
proper drainage.
• A supply of low flow/low humidity air will pro-
vide longer desiccant life.
NOTE: It is recommended that Air Filter 234402 be
installed upstream of the coalescing filter to
remove 3 micron and larger size particles and sep-
arate large droplets of moisture from the air line.
CAUTION
Never let the liquid level in the bowl reach the base of
the coalescing element.