164 F3B ENGINE T RAKKER E URO 4/5 542011 Bleeding air from the fuel system Figure 23 3 2 1 4 Before starting the engine,bleedthe airfrom the fuel system,applying special tubes tothe bleed screws to run the bled fuel off into a specific container. 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: - 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 - nowater leaks from the connecting sleeves of the pipes in the engine cooling and cab heating circuits, tightening the collars further if this is necessary. with no air bubbles in it comes out of the screw (1); close the screw (1). - Repeat this step for screw (2). - Repeat this step for screw (4). - nooil leaks from between thecover 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. - no air leaks from the pipes connected to the pneumatic components involved in removal.
NOTE Under no circumstances let fuel foul the water pump alternator drive belt, etc. - theindicatorlightsontheinstrument panel and the devices disconnected when removing the engine all work properly. Base q November2006 Print 603.93.641