By using the water presure gauge I made I realised that the bellows were below presure. I did everything I could think of to set them right. This was a big problem.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-NW22Z-b8i3l3ri_3a28nVT1H_zjmt5rdSEDaMzV_-8EraTZvhfrPWqP4EuDgUGw9SnK8L05N-MSp4fkCwDxUEYVsvUD_dJjttpasaX2gAv-vK1Mae2Vd6zyV6gFPFQVLVoaJK-xRKD4/s320/bel+pres+3.jpg)
I rearranged the pressure spring to see if this was the problem.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqz6SwMcbo1luv-zKJt0cYThKBZdudL5Llg_mUanJDzJ0kHNmFNrPEi6wcxo4jxYvdQhCLlNNkoOt3Xayggg3vsUoO-EEEJSVBMIEqDnQEAGPlhSBQhfmBZDDEtJ3mtyop-gJ3ph9LqpY/s320/be;+pres+5.jpg)
I cheacked for air leaks by putting a tube in my ear and feeling round for any leaks I could hear. This aplifys the sound of air escaping.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-ylbWJTerLh_Iar5WS3QpNFSv_SMg_0HLX3o62rtlBssjUYzwvtXolPnYtPFiBYMd85WBjtvoyhv2r0yJm0SsKE9VoCbEYOeubyLrggyCPxK1_3I9mxAQTelL4On1kc6QmGyxkm4p_B0/s320/bel+pere+2.jpg)
I put patches on any areas I thought were trouble.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAaKYPnk_-QW53pe1qbvQoYSipvxT_6n25x5dQuhM8CUM5UWEQTuQgJNUCixxsJ-xSwxLSH4yphr09fPp4s2z-mFMrJAEXPQ_J_N8aIbBZ8MSFMUV-jGfvTk8NwsLurKNDJRwd8dRHF-Q/s320/bel+presue+1.jpg)
I put sillicon every where.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWZlpS7ISDnR1FY5q6LS9uXHyzxtIk4-aFBhWIm1UVLdJBSR24NZBz3snnijN00KGdV2cEKWl6sGIJHHuy3WtQZd7_sxFAesXBSq2b6GcyQIvoG79NqnRYmLxFngvo95Vs9e0R49YcGg8/s320/spil+2.jpg)
I modified the spill valve by using springs to keep the valve down. I also replaced the wire at the back with springy piano wire.
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