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Feed system FUEL CIRCUIT Bleeding and repriming : these operations must be carried out after the machine has been standing for several days, after replacing cartridges, when the reservoir has been complety drained or after carrying out any other servicing to the unit.
AFTER SERVICING THE ENGINE CIRCUIT BLEEDING AND REPRIMING
Engine shut down Loosen injection pump bleeder screw 2 Unscrew handle of priming pump 1 and actuate it until the fuel flows free from air bubbles Tighten bleeder screw After using the priming pump, it is essential to tighten the knurled handle. To bleed the injection lines, actuate the starter until the fuel flows freely at a connection 3 . slightly loosened beforhand (this operation is to be carried out successively on all injection lines).
AFTER REPLACING CARTRIDGES BLEEDING
- Engine shut down Unscrew bleeder screw 4 on filter by two or three turns Unscrew priming pump handle 5 by several turns and actuate it until the fuel flows free from air bubbles Tighten bleeder screw 4 Follow same procedure with bleeder screw 6 After using the priming pump-:-rt is absolutely essential to tighten the knurled handle.
