MAINTENANCE PROCEDURE 4.9.1.d CLEANING THE FUEL FILTER (WITH WATER SEPARATOR) Do not bring any fire or flame close. Prepare a filter wrench Prepare a container to catch the fuel that is drained. 1. Open the engine rear cover. For further details, see para- graph "3.2.9 ENGINE REAR COVER". 2. Turn the lever (1) of the filter to position CLOSED (A). 3. Use a filter wrench to loosen ring (2), take out element cup (3), then remove element (5). Be careful not to lose red ring (4) inside the cup. 4. Wash the inside of cup (3) and element (5) with diesel fuel or flushing oil. 5. After washing, install element (5). 6.
Insert red ring (4) in element cup (3), fill with fuel, then in- stall to the filter holder and tighten ring (2). 7. Turn the lever (1) of the filter to position OPEN (B). 8. After washing the fuel filter, bleed the circuit. For further details on the bleeding procedure, see para- graph "4.9.3.c CHANGING THE FUEL FILTER ELEMENT (WITH WATER SEPARATOR)" - " BLEEDING THE CIR- CUIT". 4.9.1.e DRAIN WATER AND SEDIMENT FROM FUEL TANK IMPORTANT Never use trichlene for washing the inside of the tank. Use diesel fuel only. Carry out this procedure before operating the machine. Prepare a container to catch the fuel that is drained. 1.
Swing the upper structure so that drain valve (1) is be- tween the tracks. 2. Open the engine rear cover and cooling cover. For de- tails, see Section "3.2.10 COOLING COVER". 3. Open drain valve (1) and drain the sediment and water collected at the bottom together with the fuel. When doing this, be careful not to get fuel on yourself. 4. When only clean fuel comes out, tighten drain valve (3). 182 WARNING