TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models _______________ M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two lockwashers (Appendix G, Item 135) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Engine access cover removed (para. 10-15). • Battery ground cable disconnected (para. 4-73). • Hood raised and secured (TM 9-2320-280-10). 4-44. FAN CUT-OFF SWITCH REPLACEMENT (4L80-E) 1. Slide rod (1) forward and disconnect from fuel injection pump (2). 2. Remove rod (1) from switch (11). 3. Disconnect harness leads 315A/315B (10) from leads 315 (9). 4. Remove two nuts (13), lockwashers (12), washers (8), capscrews (7), washers (8), and switch (11) from bracket (5). Discard lockwashers (12). 5. Remove two capscrews (3), leads (4), and bracket (5) from engine (6). TM 9-2320-280-20-2 4-70 Change 3 NOTE Prior to removal, tag leads for installation. b. Installation a. Removal 1. Install switch (11) on bracket (5) with two washers (8), capscrews (7), washers (8), lockwashers (12), and nuts (13). Do not tighten nuts (13). 2. Slide rod (1) forward and connect to fuel injection pump (2). 3. Install rod (1) on switch (11). 4. Install bracket (5) and two leads (4) on engine (6) with capscrews (3). 5. Position rod (1) at wide open throttle and position switch (11) to close. Tighten nuts (13). 6. Connect harness leads 315A/315B (10) to leads 315 (9).