Nanni T4.155 seriers, Workshop Manual

Page: 10 / 191

60300140 (
indice A
) 4 CYLINDERS WORKSHOP MANUAL 10/191
DANGER: Do not bring a flame or sparks close to the battery. An extremely explosive detonating gas
forms during battery charging. Do not cause a short circuit.
The battery electrolyte is highly corrosive. If the acid is spilt on skin, immediately wash it with soapy water. If
splashed into eyes, rinse generously with water and immediately consult a physician.
- Start with the positive terminal when connecting the cable to the battery.
- Start with the negative terminal when disconnecting the cable from the battery.
WARNING:
•
Do not spill fuel or lubricant on the engine.
•
The fluids used for engine operation are dangerous to health.
•
Engine oil can damage the skin. Wear gloves.
NOTE:
Modern diesel engines are precision made, requiring the use of high quality lubricants and fuel.
ENGINE AND GEAR BOX LUBRIFICATION
Engine
- Oil pump lubrication system, pressure adjusted by discharge valve
- Disposable cartridge oil filter
Transmission
Refer to separate specifications
Engine oil filling
Through the filling port located on the rocker cover by unscrewing the plug. Check the level with the gauge.
Never exceed the maximum mark.
NOTE:
Oil quality and quantity are indicated in the technical specification table.
FUEL CIRCUIT
Composition
Disposable cartridge main filter
Sea water/fuel coolant (4.390 TDI)
Injection pump
High-pressure injection pipes
Injectors
Fuel circuit bleeding
- Check the fuel level in the tank.
- Open the fuel valve, open the bleed screw located at the top part of the filter, pump using the built-in
pump. Close the screw when the air bubbles disappear. If the entire injection circuit is unprimed, proceed
as follows:
- Loosen injector No.1 supply pipe, rotate the engine with the starter until fuel is discharged. Tighten the nut
and perform the same operation on the other injectors.
- Start the engine and check that there are no leaks