TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 655 of 1205
3-45. ENGINE IDLE SPEED ADJUSTMENT This task covers: Engine Idle Speed Adjustment Engine Idle Speed Adjustment WARNING Keep hands and arms away from fan blade and drivebelts while engine is running or serious injury may result. 1. Start engine (TM 9-2320-387-10) and bring engine to operating temperature. 2. Note idle speed and disconnect lead 569B (2) from injection pump (4). If change in idle speed is noted, refer to para. 2-28, Fuel System Tests. If no change in idle speed is noted, connect lead 569B (2) to injection pump (4). 3. Set engine idle speed to 700 rpm (± 25 rpm) by turning idle speed adjusting screw (1) on throttle shaft lever (3). INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Test Equipment STE/ICE-R Manual References TM 9-2320-387-10 TM 9-2320-387-24P Equipment Condition Hood raised and secured (TM 9-2320-387-10). General Safety Instructions Keep hands and arms away from fan blade and drivebelts while engine is running. Maintenance Level Unit TM 9-2320-387-24-1 Change 1 3-87 FOLLOW-ON TASK: Lower and secure hood (TM 9-2320-387-10). 1 2 3