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SECTION IV
OPERATING PROCEDURES
! CAUTION
Provisions should be made to have the instruction manual readily available to the
operator and maintenance personnel. If, for any reason, any parts of the manual
become illegible or if the manual is lost, have it replaced immediately. The
instruction manual should be read periodically to refresh one’s memory. This may
prevent a serious accident.
1. Prior to Starting
Before starting the unit, review Sections II and III of this manual and be certain that all installation requirements
have been met and that the purpose and use of each of the controls, warnings are thoroughly understood. The
following checklist shall be adhered to before placing the vacuum pump into operation:
• Remove all loose items and tools from around the vacuum pump installation.
• Check fluid level in the air/fluid reservoir.
• Check the fan and fan mounting for tightness.
• Manually rotate the vacuum pump through enough revolutions to be certain there are no mechanical
interferences.
• Check all connections for tightness.
• Check to make sure all relief valves are in place.
• Check to make sure all panels and guards are in place and securely mounted.
• Check fuses, circuit breakers and thermal overloads for proper size.
• After all the above conditions have been satisfied, close the main power disconnect switch, jog the starter switch
button to check the rotational direction of the vacuum pump. The vacuum pump and fan must rotate clockwise
when facing the vacuum pump from the shaft end.
NOTE:
Read detailed instructions in Section III prior to start-up. Failure to follow instructions may void warranty.
2. Starting the Vacuum Pump
• Select the mode of operation and start the vacuum pump.
• Watch for excessive vibration, unusual noises, or air/fluid leaks. If anything unusual develops, stop the vacuum
pump immediately and correct the condition.
• Control settings have been adjusted at the factory; however, they should be checked during start-up and
readjusted, if necessary. Some applications may require a slightly different setting than those provided by the
factory. Refer to the Section VII (Service Adjustments).
• Observe vacuum pump operation closely for the first hour of operation and frequently for the next seven hours.
Stop and correct any noted problems.
• Do not operate the pump continuously at inlet vacuum levels of 0 – 10” HgV as excessive fluid carryover can
occur. Consult the factory if operating within 0 – 10” HgV.
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