MAINTENANCE OF EMERGENCY MANUAL FUEL SHUT OFF VALVE

Figure 4-39. Emergency Manual Fuel Shut Off Valve

TM-9-6115-604-12 Generator Set Diesel Engine Driven Tactical Skid Rtd. 60 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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ARMY TM 9-6115-604-12 NAVY NAVFAC P-8-633-12 c. Install. (1) Install 24 volt solenoid valve assembly L5 (7) on frame and secure with hexagon head capscrews (9) and bracket (10). (2) Install compression tee (6) on 24 volt solenoid valve assembly L5 (7) and connect ether line tubes (4). (3) Reconnect the receptacle connector J9 (8). (4) Install engine fuel atomizers (11) in the engine intake manifold. Connect ether line tubes (5) to engine fuel atomizers. (5) Connect ether line tubes (5) to compression tee (12). (6) Install ether start tank (1) and secure with cylinder clamp (3). d. Repair. Repair leaks or other defects in the ether injection assembly by tightening connections or fittings where leakage is detected, or by replacing defective components in accordance with steps b and c, above. 4-53. MAINTENANCE OF EMERGENCY MANUAL FUEL SHUT OFF VALVE . The manual fuel shut off valve is located in the fuel discharge hose from the fuel injection pump. It is cable operated by a knob accessible from outside the generator set housing. The manual fuel shut off valve provides a means of stopping the engine in emergencies. See Figure 4-9. a. Inspect. (1) Inspect control cable sheath for signs of damage such as kinks or breaks that may restrict the movement of the cable inside it. (2) Ensure that control cable (1) is routed so that it does not chafe or rub on nearby components, and that it is anchored at one or more points along its length. b. Test. CAUTION Do not perform the following test on a hot engine. If the engine has been running for some time, allow to run without load at least 5 minutes before it is shut down. Failure to do so will cause excessive temperatures to develop in the engine and may result in serious engine damage. (1) Ensure that push/pull emergency control (1) on the exterior of the generator set housing is pushed in as far as it will go "with reset button depress”. (2) Start engine (See figure 2-13) and run at normal operating speed. (3) Pull push/pull emergency control (1) out as far as it will go. The engine should stop. (4) If engine falls to stop, check to ensure that the control cable is securely attached to the emergency shutdown lever on the manual fuel shut off valve (2). Move the push/pull emergency control fully in and out and verify that the emergency shutdown lever moves a corresponding amount. (5) Replace control cable if moving the push/pull emergency control (1) falls to operate the emergency shutdown lever. (6) Replace manual fuel shut off valve (2) if the emergency shutdown lever is operated by the control cable and the engine falls to stop. 4-111

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