4.8 Service procedure Every 500 hours service Maintenance Clean water separator strainer z Engine is at high temperature immediately after the machine has been operated. Wait for engine to cool down before replacing the filter. z Do not bring fire or sparks near the fuel. 1. Open the engine side cover on the right side of the chassis. 2. Prepare a container to catch the drained fuel and set it under the water separator. 3. Loosen drain valve (1) at the bottom of the water separator and drain the fuel into the container. 4. Loosen ring nut (2), then remove cup (3). 5. Remove strainer (4) from the separator base. 6. Wash the interior of strainer (4) and cup (3) with clean fuel. 7.
Check strainer (4) and replace it if it is damaged. 2 8. Clean the separator base and wash strainer (4), then install the strainer to the separator base. 4 3 9. Coat the threaded portion of ring nut (2) thinly with grease. 1 10. Fill cup (3) with clean fuel, install it to the separator base, then tighten it with ring nut (2). GK015034 The specified tightening torque of ring nut (2): 37 to 43 N·m (3.8 to 4.4 kgf·m, 27.5 to 31.8 lbft) If the ring is loose, it will cause leakage of fuel, so always tighten it to the specified torque. REMARK Be careful not to lose the O-ring, float, or spring. Be sure to assemble them after washing. 11.
After installing filter cup (3), bleed air in the following man- ner. 12. Loosen air bleed plug (5) of the fuel filter. 13. Loosen the knob of feed pump (6), then pump it up and down until no more bubbles come out with the fuel from air bleed plug (5). 5 14. After bleeding the air, tighten air bleed plug (5), then push in the knob of priming pump (6) and tighten it. Tightening torque for air bleed plug: 7.8 to 11.8 N·m (0.8 to 1.2 kgf·m, 5.8 to 8.7 lbft) 6 GK015025 4-54 WA150-5H – VEAM934100 WARNING WARNING