With the reasonable care outlined in this manual it will provide you with many years of diving enjoyment. This manual covers these Zeagle regulator systems: F8 ZEAGLE F8 REGULATOR SERVICE MANUAL >> READ ONLINE. instructions, troubleshooting recommendations, and guidelines for proper care of Zeagle Octo-Z regulators Regulator Manuals ; Aqualung Cousteau SEA 1st Stage Service Manual (Size: 1.5 MB), Zeagle Octo Service Manual (Size: 539.4 KB) ; Aqualung Glacia 2nd Stage ServiceRegulator Service Manual. For Zeagle Scuba Regulator Models: 50D, DS-IV, Flathead VI 1st. Stages and ZX 2nd Stage, ZX Octo. manual it will provide you with many years of diving enjoyment. your bring your regulator for service at a Zeagle dealer who has not done.