ENGINE MAINTENANCE - Maintenance Procedures cap to 30 lb-ft (40 N·m) as specified on the filter cap. (closed) position before starting the priming procedure. low the starting instructions below may damage the starter motor. 2 Fuel Filter Module - Priming Pump 5. If vehicle is equipped with a fuel blending valve, rotate the valve to the RUN/open position. Fuel Filter Module - Priming Pump NOTE Allowing the engine to idle for several minutes with the fuel blending valve in the prime postition assists in purging air from the fuel system. Starting After the Fuel Tank Has Run Dry or After Fuel System Service has been Performed Procedure for starting the engine after running out of fuel. 4.
Replace the chassis-mounted fuel filter per the filter manufacturer's recommended procedure. Follow the steps below to restart the engine: 1. Loosen the fuel primer pump knob by rotating it counter-clockwise. 2. If equipped with a return fuel blending valve, turn the valve to the PRIME (closed) position. 3. Operate the priming pump by moving the knob in and out for 150 seconds. During this time the pumping resistance will increase, but the full time is required to fully prime the fuel system.
NOTE CAUTION If your vehicle is equipped with a PAC- CAR fuel blending valve, rotate the blending shut-off valve to the PRIME The following instructions should only be used in emergency situations when the fuel tank has run dry. Failure to fol- 62 Y53-1166-1G1 (08/2018)