The Vacuflush system should be maintained according to the manufacturer's instructions.
On my system, I periodically disassemble the system and clean all the parts
. I also pump out and scrub the interior
of the tank walls, to aid in a visual level detection.
The breaker will trip on an over current
condition. A DC motor
draws maximum current
when stalled. My guess based on all the symptoms is that the Joker (duckbill) valves have failed, with probably one of the valves now inverted. There is likely material below the bellows, in the pump, with that material not possible to compress or move properly through the system, stalling the motor
It is unlikely that the pumpout caused the failure. The Vacuflush holding tank
has an integrated vacuum break valve. That valve opens when the pumpout goes rapidly, allowing air into the tank to prevent the tank from collapsing.
The tank is always at atmospheric pressure. During pumpout, air enters the tank from the breather vent to replace the pumped out fluid.
My suggestion is to avoid opening a failed Vacuflush system. The Platypus Club uses that as a rite of initiation. I hear it is disgusting. Create and post a video if splitting plumbing
on a failed Vacuflush system.
My suggestion is to instead use a plunger at the toilet bowl. Fill the bowl w/ water
. Shut off the fresh water. Turn on the vacuum generator
. Use the plunger to force the water through the system, towards the vacuum generator
/ holding tank
Seal the plunger to the bowl for the push stroke. Tip the plunger to the side before the plunger relaxes to prevent a suction stroke. Keep forcing water one way into the system until the inverted Joker valve reverts to normal, or at least stops preventing proper flow.
Once suction is restored, run LOTS of fresh water through the system. Then disassemble and clean the parts
. It is likely that new Joker valves are required.
Do NOT overtighten the plumbing
retaining the Joker valves. It will deform the rubber keeping them partially open, causing vacuum leaks
Tighten the Joker valve plumbing to lightly snug.