Overflow Valve Replacement

Fig.67 Overflow Valve Location:

REMOVAL
The overflow valve (pressure relief valve) is located at the outside of fuel injection pump (Fig. 67). It connects the fuel return line (banjo fitting) to the pump. The valve has no internal serviceable parts and must be replaced as an assembly. Two sealing gaskets are used. One gasket is located between pump and banjo fitting. The other is located between the banjo fitting and end of valve.
1. Clean area around overflow valve and fuel return line at injection pump before removal.
2. Remove valve from pump and banjo fitting.
3. Discard old sealing gaskets.

INSTALLATION
The overflow valve (pressure relief valve) is located at the outside of fuel injection pump (Fig. 67). It connects the fuel return line (banjo fitting) to the pump. The valve has no internal serviceable parts and must be replaced as an assembly. Two sealing gaskets are used. One gasket is located between pump and banjo fitting. The other is located between the banjo fitting and end of valve.
1. Install new sealing gaskets to valve.
2. Install valve through banjo fitting and into pump.
3. Tighten to 30 Nm (24 ft. lbs.) torque.