Service as Required At Fuel Injection Pump 1. Loosen fuel return line (A) at fuel injection pump. 2. Operate fuel supply pump primer lever or primer button on fuel filter base (if equipped). 3. As soon as fuel flow is free from air bubbles, tighten fuel return line to specifications. Primer lever is spring-loaded and will return to normal position. RG11807 –UN–25OCT01 Specification Fuel Injection Pump Return Line—Torque 27 (20 lb-ft) ................................................................... Fuel Injection Pump Return Line A—Fuel Return Line OUOD002,000016F –19–25FEB03–4/5 At Fuel Injection Nozzles IMPORTANT:
Always use a backup wrench when loosening or tightening fuel lines at nozzles and/or injection pump to avoid damage. 1. Using two open-end wrenches, loosen two fuel line connections at injection nozzles. RG11808 –UN–25OCT01 2. Crank engine over with starter motor for 15 seconds (but do not start engine) until fuel free from bubbles flows out of loosened connection. Retighten connection to specifications. Nozzle Fuel Pressure Line Specification Fuel Injection Nozzle Delivery Lines—Torque 27 (20 lb-ft) ................................................................. 3. Repeat procedure for remaining injection nozzles (if necessary) until all air has been removed from fuel system.
If engine still will not start, see your authorized servicing dealer or engine distributor. OUOD002,000016F –19–25FEB03–5/5 40-16 021604 PN=189