Beautiful re-print of the original J.I.CASE Dealer’s Service Manual for both the Single & Dual Valve Hydraulic Pumps & Valves for the S, D & LA Tractors. Actually, all Chain Drive CASE Tractors, including the last Chain Drive Comfort King 930’s, as well as the 400 700 Early 730, 800 & Early 830 Tractors. 76 pages in total, large 8-1/2″ X 11″ Format, packed with pictures & instructions. Includes Flow Charts, Specifications, Trouble Shooting & How To’s. Need to re-seal the valve body shafts? It’s in here & we sell the kit CASE still furnishes. In addition to the Pump & Valve, servicing the Hydraulic Coupler’s is also covered, as well as CASE cylinder rebuilding. We offer Seals & “O” Rings to re-build the cylinder. Give us a call 315-585-9826 or shoot an e-mail.