Perkins 6.3544 Series, User Handbook Manual, Page: 40 / 56

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34 User’s Handbook, TPD 1289E, Issue 2
6.3544 Series
Bosch fuel injection pumps: Loosen the banjo connection bolt (E1) and union nut (E2). Operate the lever of the
fuel lift pump until air free fuel comes from the banjo connection. Tighten the banjo connection bolt. Continue
to operate the lever of the fuel lift pump until air free fuel comes from the union nut. Tighten the union nut.
4 Ensure that the manual stop control is in the "run" position. If an electrical stop control is used, turn the start
key to the "R" position.
5 CAV fuel injection pumps: Loosen the vent screw in the lock screw of the hydraulic head (F3) and the vent
screw on the governor cover of the fuel injection pump (F2). Operate the priming lever of the fuel lift pump until
air free fuel comes from the vent screw in the lock screw of the hydraulic head. Tighten the vent screw.
Continue to operate the priming lever of the fuel lift pump until air free fuel comes from the vent screw on the
governor cover. Tighten the vent screw.
Bosch fuel injection pumps: Clean the top of the fuel pump. Loosen the vent screw (E3) a maximum of half a
turn. Operate the lever of the fuel lift pump until air free fuel comes from the vent screw. Tighten the vent screw.
6 Loosen the union nut(s) (G1) at the fuelled starting aids) (if fitted) and operate the lift pump until air free fuel
comes from the connection(s). Tighten the union nuts) at the starting aid(s).
7 Loosen the union nuts of the high-pressure pipes (H1) at two of the atomisers. Operate the starter motor
until air free fuel comes from the pipe connections. Tighten the high-pressure pipe connections.
8 The engine is now ready to start.
If the engine runs correctly for a short time and then stops or runs roughly, check for air in the fuel system. If
there is air in the fuel system, there is probably a leakage in the low pressure system.
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