Details of installation of the preliminary fuel pump on models 163.113 (612 series engine)
1 - Vacuum line
1. Details of installation of the preliminary fuel pump on models 163.113 (612 series engine) shown in the illustration, which includes all references in the text.
2. Remove panels of finishing of a cover of a head of cylinders.
3. Remove the vacuum pump (2).
4. Disconnect from prepump (13) feed lines (3) and return (4) fuel.
5. Turn out fixing bolts and remove pump assembly (13), prepare to collect spilled fuel.
Attention! Do not open the pump assembly!
6. Installation is carried out in the reverse order - before installation, the preliminary pump must be filled with fuel. Make sure that the mating surfaces of the installed components are clean, do not forget to replace the gaskets.
7. Finally, start the engine and check the relevant components of the power system for signs of leak development.
Models 163.128
Details of installation of the preliminary fuel pump on models 163.128 (628 series engine)
1 - Preliminary fuel pump; 2 - Bolts; 3 - injection pump; 4 - Throttle positioner with upper air sleeves
1. Details of installation of the preliminary fuel pump on models 163.128 (628 series engine) shown in the illustration, which includes all references in the text.
2. Remove bypass ducts (see Section Servicing Air Inlet Components).
3. Turn out fixing bolts (2) and remove the pre-fuel pump assembly (1), - Prepare to collect spilled fuel.
4. Installation is carried out in the reverse order - before installation, the preliminary pump must be filled with fuel. Make sure that the mating surfaces of the installed components are clean, do not forget to replace the gaskets.
5. Finally, start the engine and check the relevant components of the power system for signs of leak development.