J SERIES M ICROV A CJ SERIES M ICROV A C VA CU V A CUUM PU M P UM PU M P
PA GE 7-1
7.07.0 SUM M ARY M ICROVAC PUMSUM M A RY M ICROV AC PUM P M AJOR ATTENTION ITP M AJOR A TTEN TION ITEM SEM S
1. Check oil level, oil flow and condition of the pump oil periodically. If oil is contaminated, change it
and if very dirty, clean the oil reservoir and exhaust valve chamber. Oil should be changed as often
as necessary to maintain low blank-off and effective lubrication.
2. Replace exhaust valve springs and exhaust valve disc at least every 6 months when pump is
operated 8 hours per day. Clean out any sludge accumulation in oil reservoir.
3. If the gas ballast feature is used regularly, it may be necessary to replace the check valve at
least every 6 months.
4. To insure for maximum gas ballast efficiency, check outlet w ater temperature on jacketed models
to make sure the pump is running w arm. Oil in the pump reservoir should be approximately 140
degrees to 160 degrees F.(60-71 Deg. C.) for best gas ballast efficiency.
5. If pump incorporates an external oil mist separator, regularly drain off any accumulated dirty oil and
discard. This w ill maintain the efficiency of the unit and extend the life of the element.
6. Check oil solenoid valve periodically for sludge and/or foreign particles accumulation by
disassembling and cleaning. If valve sticks in open position, oil can be sucked into pump at shut
dow n. If valve sticks in closed position, insufficient lubrication results and pump can be damaged.
Disassemble valve, inspect and clean. Replace parts needing replacement.
NOT A LOT OF CA RE...JUST THE RIGHT KIND...ATNOT A LOT OF CA RE...JUST THE RIGHT KIND...AT THE RIGHT TIM E. THE RIGHT TIM E.
USE THE STOKES VACU UM PREV ENTIVE M AIN TENA NCE CHECK LISTUSE THE STOKES VACU UM PREV ENTIVE M AIN TENA NCE CHECK LIST
THA T FOLLOWS.THA T FOLLOWS.
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