R750EU5 - IE3 - TE4 - IE4 - ISE4
English          47       Ed.8 / 10-2012
GB
CHECKS AND CONTROLS
CONTROL SCREW TIGHTENING AND UNION SEALING
FUEL SUPPLY CIRCUIT BLEEDING
Pump (F)
Bleed 
screew 
(E)
The list indicates some of the maintenan-
ce, testing and control operations to be 
carried out on the engine during normal 
operation.
– Fuel supply circuit bleeding
–Control screw tightening and union 
sealing
–Engine oil level control
–Engine coolant level check
–Procedure for loosening or tensioning 
the belt
–Engine oil change
Follow the procedure below.
1- Start the engine and run it at minimum 
speed for a few minutes.
2-Run the engine at normal speed until 
the operating temperature (70÷80°C) is 
reached.
3- Turn off the engine and let it cool down.
This operation must be carried out 
each time the fuel cartridge is changed
Follow the procedure below.
1- Turn off the engine and remove the 
ignition key.
2- Let the engine cool down adequately to 
avoid being burnt.
–Coolant replacement
–Oil lter cartridge replacement
– Fuel lter replacement.
– Cleaning the antiparticulate lter
For each maintenance operation, ll in 
the “Periodic maintenance operation 
record sheet” provided, so as to keep a 
trace of the operations performed and 
therefore establish the most suitable 
methods for future operations.
4-Make sure the xing screws of the main 
parts are tightened properly.
5- Check the union sealing on the fuel 
supply circuit.
6- Check the tightening of the clamps.
7- Check any uid leaks.