Nowadays, for reasons that it doesn't worth mentioning, we need to store some gasoline in our garages. This, obviously means a safety issue. One plastic cap was cracked at its top so, I tried to repair it using two-component epoxy and a Youtube trick with CA glue and baking soda. None worked.
I checked online the PVC resistance to gasoline and found that it was great.
I laminated two pieces of 12mm scrap PVC and traced the OD, ID, and a circle for the cap ribs which were placed at 45 degrees. Then, I drilled the ribs locations in my DP. Using my homemade milling machine I cut the central core. Some sanding and filing were used to put the broken plastic cap snuggly into the assembly.
The broken sections were removed and the resulting ring was epoxied into the assembly.
A 3mm piece of PVC was glued to the assembly and a satisfactory overnight leak test was done to check the overall tightness.
Then I put the new cap back to work.
I checked online the PVC resistance to gasoline and found that it was great.
I laminated two pieces of 12mm scrap PVC and traced the OD, ID, and a circle for the cap ribs which were placed at 45 degrees. Then, I drilled the ribs locations in my DP. Using my homemade milling machine I cut the central core. Some sanding and filing were used to put the broken plastic cap snuggly into the assembly.
The broken sections were removed and the resulting ring was epoxied into the assembly.
A 3mm piece of PVC was glued to the assembly and a satisfactory overnight leak test was done to check the overall tightness.
Then I put the new cap back to work.
