42 F2B ENGINE T RAKKER E URO 4/5 542011 Bleeding air from the fuel system Figure 16 3 2 1 4 NOTE Before bleeding the fuel system connect proper pipes to the bleeding screws located on prefilter support, filter and cylinder head front part, in order to recover fuel in suitable containers during this operation. In particular, never allow that the fuel, coming out of the cylinder head draining screw, stains the control belts of the fan, the water pump, the alternator and the conditioner compressor, thus damaging them.
Checks and tests Start the engine, leave it running at just a little faster than idling speed and wait for the temperature of the coolant to reach the level to open the thermostat. Then, check that: - No water leaks from the connecting sleeves of the pipes intheenginecooling and cab heating circuits,tightening the collars further if this is necessary. - No oil leaks from between the cover and the cylinder head, between the oil sump and the crankcase, between the oil filter and its seat, between the heat exchanger and the crankcase, or between the various pipes in the lubrication circuit. - Bleed screw (1) on the pre-filter mounting. - Bleed screw (2) on the filter mounting.
- Bleed screw (4) on the front of the cylinder head. - Work the pump (3) on the pre-filter mounting till fuel - No air leaks from the pipes connected to the pneumatic components involved in removal. with no air bubbles in it comes out of the screw (1); close the screw. - Repeat this step for screw (2). - Repeat this step for screw (4). - The indicator lights on the instrument panel and the devices disconnected when removing the engine all work properly. Base - November 2006 Print 603.93.641