Re: ZIS 110

Posted by HH56 On 2009/4/11 16:56:21

2 hose system would be pressure applied on either side of the piston to force raise or lower. That would require the reversible pump like 55-6 convertibles or the reversing valve as in 48-54 convertibles. The windows always had just a single hose at bottom of piston. They were very inexpensive cylinders but adequate for the purpose--until they leak.