wd388Aircraft photo of D-EPAK WD388 - De Havilland DHC-1 Chipmunk Mk22 - Quax, taken by Peter de Jong at Bonn - Hangelar (EDKB BNJ) in Germany on 23 August 2009 during the HangelarKeston+C36+Combi+Manual+WD388!3!2010 - Free download as PDF File (.pdf), Text File (.txt) or read on for free. The document provides installation and servicing instructions for the Keston C36 bi and C36P bi boilers.