TM-9-2320-362-14&P HMMWV Technical Manual Electrical Environmental System (EES) Download
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TM 9-2320-362-14&P 8. 9. 10. 11. 12. On page 3-12, steps relating to resolving the problem of an incorrect tachometer reading are listed. Read down the page until you find “TACHOMETER READING IS INCORRECT.” The steps listed are shown in the example page to the right of this text. In accordance with step 1, you connect the STE/ICE-R to the engine (TM 9-2320- 280-20), start the engine (TM 9-2320-280-10), let the engine come to normal idle speed of 650 RPM (± 25 RPM) and then move on to step 2. In Step 2 you check the engine idle against the STE/ICE-R and find that it is correct. In Step 3 you check the tachometer RPMs against the STE/ICE-R RPMs and find they do not match. At this point, some CORRECTIVE ACTION in Table 3-2, Unit Troubleshooting, will direct you to a specific detailed procedure to solve the problem. To find the procedure, refer to the table of contents. NOTE: Before attempting to repair or replace the tachometer, as a Unit mechanic, you must: a. Determine the maintenance responsibility of repair or replacement of the component. b. If the task is at your echelon of maintenance responsibility, you must identify the tools needed and the replacement parts required. Refer to the Maintenance Allocation Chart (MAC) (appendix B) to determine not only the maintenance responsibility of the item, but also to obtain an estimate of the time required to perform the task, tools needed, and any special notes/requirements necessary. Refer to the Repair Parts and Special Tools the EES kit for requisition data concerning task. viii List (RPSTL) (appendix D) for replacement parts for this