14
| 304 Challenger
Series
Operating Instructions
304 Challenger
Normal Operation
Oil Reservoir
• Check oil reservoir daily and fill as required.
• Drain and clean periodically depending on use�
Recommended RPM
• 1000 - 1400 RPM�
• Too low of an RPM can cause the vanes to clatter (inconsistent
contact with the housing) causing wear�
Suction Valve
• To operate the suction valve, move the handle in the appropriate
direction for either vacuum or pressure; center is neutral�
Vacuum Levels
• Do not operate your pump for extended periods of time at
vacuum levels which cause the pump to exceed 375 degrees
Fahrenheit exhaust gas temperature�
Guards
• Make certain all guards are in place prior to running your pump�
Think Safety!
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