Yanmar 4JH3-TE Series Operation Manual

Also see for 4JH3-DTE: Service manual Service manual Operation manual

22GB3.2 Before Initial OperationPerform the following before using theengine for the first time:3.2.1 Supply Fuel OilUsing gasoline, etc. maycause a fire.To avoid mistakes, besure to double-check thekind of fuel before insert-ing. Wipe off any spilledfuel carefully.1. Before filling with fuel, wash out the fueltank and fuel system with cleankerosene or light oil.2. Fill the tank with clean fuel oil free of dirtand water.3.2.2 Bleeding the Fuel SystemBleed the fuel system according to thefollowing procedure. When there is air inthe fuel system, the fuel injection pump willnot be able to function.1. Open the fuel cock of the fuel tank.2. Loosen the air bleeding bolt on the topof the fuel filter by turning it 2~3 times.DANGER3. Operation3. Move the priming pump knob up anddown until fuel mixed with air bubblesflows out of the air bleeding bolt andtighten the air bleeding bolt. The primingpump is on the top of the fuel filter.3.2.3 Supply Engine Lube Oil1. Remove the filler port cap (yellow) at thetop of the bonnet, and fill with engineoil.2. Fill with oil to the upper limit on thedipstick. Insert the dipstick fully tocheck the level.Engine oil capacity: See 2.2 EngineSpecifications3. Tighten the filler port cap securely byhand.Do not overfill.Overfilling will cause oil to be sprayedout from breather and lead to engineproblems. Priming pump Air bleeding boltNOTICE Filler port BonnetDipstick Upper limit Lower limitJH-Turbo-Engels1b 28-06-2002 19:54 Pagina 22