TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 107 of 890
Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd) ITEM NO. INTERVAL ITEM TO BE INSPECTED PROCEDURES TM 9-2320-280-20-1 2-16 Change 1 NOT FULLY MISSION CAPABLE IF: 13.1 Semi- Neutral (2) Place transmission shift lever in Annual Start Safety D (drive). There should be no Switch continuity present between wires 14. (Cont’d) If continuity is present, replace neutral start safety switch (para. 5-6). c. Connect wires 14A and 14B to wires 14 at neutral start safety switch. 14 Semi- Trans- a. Inspect vent lines and connectors a. Vent line cracked, Annual mission for security, cracks, and deterioration. plugged, or missing. b. Inspect transmission shift linkage b. Shift linkage is for bends, excessive play, cracks, and unserviceable. damage that could cause failure. 15 Semi- Transfer a. Inspect transfer case vent lines and a. Vent line cracked, Annual connectors for security, cracks, and plugged or missing. deterioration. Shift linkage is unserv- iceable. b. Inspect transfer case shift linkage for bends, excessive play, cracks, and damage that could cause failure. c. Check transfer case fluid level every 3,000 (4,800 km) or semiannually, whichever occurs first. Remove fill plug and gasket. Level should be within 1/2 in. (12.7 mm) of fill plug opening when vehicle is on level ground. Install fill plug and gasket, and tighten to 35 lb-ft (47 N • m). CAUTION Use Dexron ® II for filling transfer case. Failure to use Dexron ® II will cause damage to transfer case.