Spra-Coupe Model 3440, 3640 and Model 4440, 4640 Sprayer Repair Service Manual (79017918B) Price listed in US Dollar: $49.00 Leave this field blank Complete service repair manual with Electrical Wiring Diagrams for Spra-Coupe Model 3440, 3640 and Model 4440, 4640 Sprayer, with all the technical information to maintain, diagnose, repair, and re Read more about Spra-Coupe Model 3440, 3640 and Model 4440, 4640 Sprayer Repair Service Manual (79017918B)