3-25. ENGINE IDLE SPEED ADJUSTMENT

b. INSTALLATION - TM-9-2320-289-20_204

3-25. ENGINE IDLE SPEED ADJUSTMENT (Cont)

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 3-25. ENGINE IDLE SPEED ADJUSTMENT. This task covers: a. Adjustment INITIAL SETUP: Equipment Condition ToolslTest Equipment Parking brake set. STE/lCE Transmission in “P“ (Park). Manual References General Safety Instructions TM 9-4910-571-12&P Use extreme caution to ensure that clothing or tools DO NOT get caught in truck’s operating drivebelts. WARNING Use extreme caution to ensure that clothing, tools, and insulated jumper wires DO NOT get caught in truck’s operating drivebelts. Failure to follow this warning may result in serious injury to personnel and equipment damage. a. ADJUSTMENT 1. Start engine and allow it to reach normal operating temperature. 2. Connect STE/lCE tester to STE/lCE DCA connector under dash. (See TM 9-4910-571-12&P) 3. Adjust low idle speed screw (6) on fuel injector pump (5) to 625 rpm for all except M1010 and 725 rpm for M1010. 4. Remove connector (1) from fast idle solenoid (4). CAUTION Connecting insulated jumper wire to any terminal other than front positive (+) terminal will result in equipment damage. 5. Use an insulated jumper wire from front battery positive (+) terminal to adenoid terminal (3) to energize fast idle solenoid (4). TA49818 3-71

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