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| - | [title] Fixing The Pump Plunger |
|---|---|
| - | [* black] The problem is that the plastic pump plunger binds and sticks. To unstick it use 120 grit sandpaper and EVENLY sand the circumference of the plunger head then the 2 ribs below it. Test. Repeat until there is better movement but NO loss of suction. When you are satisfied put a small amount of petrolium jelly around the head and ribs. Test. |
| + | [title] Fixing The Pump Plunger (Piston) |
| + | [* black] The problem is that the plastic pump plunger/piston binds and sticks. To unstick it use 120 grit sandpaper and EVENLY sand the circumference of the plunger head then the 2 ribs below it. Test. Repeat until there is better movement but NO loss of suction. When you are satisfied put a small amount of petrolium jelly around the head and ribs. Test. |