23-0 Fuel System, General

Fuel system, bleeding

1 Open the hand pump (1), by pressing it in and turning it counter-clockwise. 2 Purge the fuel system by pumping at least 250 strokes on the hand pump.

Pump rapidly, to maintain pressure in the pump.

NOTICE! Purging is not complete while resistance is felt in the pump. 3 Close the hand pump (1) by pressing it in and turning it clockwise. 4 Start the engine and let it idle for at least 5 minutes, before speed is increased.

Fuel Pressure, Check

88800070 Wrench 88890080 Manometer

From the high pressure pump Common Rail. 1 Clean all fuel lines, pumps and the rail.

Remove the pipes between the pumps and the rail ( 2 pcs ).

Use wrench 8880 0070.

Connect pressure gauge 8889 0080 with two hoses (1, 2) between one of the pumps and the rail(unionswillberequiredfortherailandthepipe from the fuel pump).

2 Plug the open connection (1) on the rail with the pressuregaugeplug(anadapterwillberequired for the plug).

Attach a ”spill pipe” (2) to the pump that is not being tested.

Connectahoseandleadittoavessel.Crankthe engine using the start motor and purge the pressure measuring equipment.

3 Cranktheenginewiththestartmotor,orstartthe engine, and read off the pressure. 4 Movethepressuretestingequipmenttotheother highpressurepumpandrepeatthesameteston this pump.

Compare the results to determine if either of the pumps are defective. 5 Install new fuel pressure lines, between the pumps and the rail.

Torque to: Use wrench 8880 0070. 25Nm