92 4 DLT ENGINE Fig. 179 5. Prime fuel system as follows : a. Unscrew fuel lift pump plunger knob pull and push it 10-15 times (30-40 times if fuel tank has been completely emptied) (Fig. 179) b. Tighten fuel lift pump plunger knob. c. Start engine and check for fuel leakage. Rectify if necessary. d. Check for smooth running of engine if erratic fuel supply is still felt, check for air suction in fuel pipelines from fuel tank to FIP and rectify. FUELTANK STRAINER It is located inside the fuel tank. Removal 1. Unscrew banjo bolt and disconnect suction line from fuel tank strainer. (Fig. 180) 2. Unscrew hex screws and pull out strainer. Inspection 1 Check strainer mesh for clogging. Warning : Unless replacement of fuel tank strainer / fuel level gauge or purging of fuel tank is necessary, it should not be removed from the tank. Assembly 1 Clean strainer and refit with a new 'O' ring. 2. Connect suction line to fuel tank strainer and tighten banjo bolt to specified torque. 3. Always use new sealing washers. 4. Prime fuel system as mentioned above. Fig. 180
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