SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINES (STE/ICE) (continued).

(13) FUEL SUPPLY PRESSURE - (DCA AND TK) TEST 24.

(14) CRANKING CURRENT - TEST 71.

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 2-22. SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINES (STE/ICE) (continued). b. STE/ICE TROUBLESHOOTING - (continued). (13) FUEL SUPPLY PRESSURE - (DCA AND TK) TEST 24 (continued). Continued from step B Do test 26 (para 2-22.b(22)) and if no pressure is indicated, do test 49 (para 2-22.b(7)). If engine will not start and pressure is 0 psi, check engine driven fuel pump shaft (para 4-7). C. 1. Turn MASTER switch to OFF (refer to TM 9- 2350-287-10). 2. Remove harness 12353646 from in-tank fuel pumps and generator system relay. 3. Place a jumper wire from socket A to socket c. 4. Install red-striped transducer TK22 and adapter TK24 at the inlet side of the primary fuel filter. 5. Connect DCA cable W4 connector P1 to connector J3 on VTM. 6. Connect DCA cable W4 connector P2 to transducer TK22. 7. Turn MASTER switch to ON (refer to TM 9- 2350287-1 0). 8. Enter 49 into TEST SELECT, then press and release TEST button. Does VTM reading show 4 psi? Go to para 2-19.h(5). D. 1. Turn MASTER switch to OFF (refer to TM 9- 2350-287-10). 2. Remove the jumper wire and reconnect har- ness 12353646 to in-tank fuel pumps and gen- erator system relay. 3. Turn MASTER switch to ON and start engine (refer to TM 9-2350-287-10). 4. Enter 49 into TEST SELECT and press TEST button. 5. Hold engine speed at 1200 RPM. Is a pressure of 1.2 psi held? Fault does not exist as indicated. Recheck fault symptom. Do test 26 (para 2-22.b(22)). If test passes, replace engine driven fuel pump (para 4-7). END OF TASK 2-426

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