Vacuum pump dosen't seem to working as it has in the past.

JanetCD

Male crossdresser
For the last few weeks the vacuum doesn't seem as much as it has in the past. I was able to fill two small domes after three sessions of seven minutes and two minutes off. Now can only fill the domes about half way. The domes do not have cracks, I do not see any holes in the tubing. Is it possible the vacuum pump is wearing out? I have had the system for about a year. Have not used the system constantly in the past few months.
 
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