The diesel fuel supply system (Fig. 1) consists of a high pressure fuel pump 4, injectors 13, low 6 and high 9 pressure pipelines, intake 12 and exhaust manifolds, coarse 3 and fine 10 fuel filters, fuel tank 1, pipelines and hoses
When repairing after disconnecting fuel lines, injectors and filters, all openings must be protected from dirt with plugs, caps, plugs or clean insulating tape
Exhaust system of engine D-245.7E2 / D-245.9E2
The exhaust system consists of a muffler 6 (Fig. 1), a neutralizer 3, a intake pipe 1 and an exhaust pipe 8
Diesel cooling is liquid with forced circulation of coolant from a centrifugal pump. The design of the cooling system is shown in Figure 1
Diesel model D-245.7EZ is installed on PAZ-32053-07 buses. Diesel model D-245.9EZ is installed on PAZ-4234 and PAZ-32053-07 buses
Combined diesel lubrication system
Oil pump - gear type, single-section
Sludge is drained from the fuel coarse filter daily. To drain the sludge you need:
