Service manual 69 pages 16.46MB   Formerly #A-1391 and 803402 Hydrogear and Piston-Piston 1965 - 1982 (4 parts)   Part 1 - 34 pages 4.85MB Pages 1 to 31 Page 18 was a blank page for notes - removed to save space   Part 2 - 7 pages 3.1MB Pages 32 to 38   Part 3 - 6 pages 2.6MB Pages 39 to 44   Part 4 - 19 pages 3.29MB Pages 45 to 63   Hydrogear or Hydro-gear overhaul by daveoman 1966 17 pages 3.3MB