WL6700 Series
Operation (Continued)
4.Wearing safety glasses, drain tank of any remaining air pressure by pulling the ring on the safety valve. Use other hand to deflect any fast moving air that may be directed towards your face.
5.Store compressor in a cool, dry place.
Maintenance
Disconnect power source then release all pressure from the system before attempting to install, service, relocate or
perform any maintenance. Service should be performed by an authorized service representative.
The compressor should be checked often for any visible problems and the
following maintenance procedures should be performed each time the compressor is used.
ASME Safety Valve
Do not remove or attempt to adjust the safety valve!
Check the safety valve by performing the following steps:
1.Plug the compressor in and run until shut off pressure is reached (see Operating Procedure).
2.Wearing safety glasses, pull the ring on the safety valve to release pressure from compressor tank. Use your other hand to deflect
3.The safety valve should automatically close at approximately
Drain Tank
1.Turn compressor off at foot pedal switch.
2.Check air pressure in tank. To properly drain tank of condensation, tank pressure should be between
3.Slowly turn easy drain knob, located below the tank gauge, to the left (counterclockwise) until fluid begins to fill drain cup. Watch draining to make sure drain cup does not overflow. If there is a lot of fluid in the tank, you may need to close drain knob by turning fully to the right (clockwise) then remove the drain cup to dispose of fluid.
4.When fluid stops draining, close drain knob by turning all the way to the right (clockwise).
5.Lift cup up and pull out to dispose of drained fluid. Reinsert cup, making sure to secure in place.
Cleaning
Turn power OFF and clean dust and dirt from motor, tank, and air lines.
Figure 18 - Safety valve
Tank Pressure
Gauge
Knob 
Fill Line
Figure 19 - Draining tank
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