TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l REFERENCE INFORMATION The tests in para. 2-32 test the oil level, cleanliness. leaks in the system, and the CDR valve. Return here when you’ve fixed everything you can or if no faults were found. f=BOCEDURE FOR CHECKING TRANSMISSION FLUID 1. Start engine. 2. Hold down brake pedal and move transmission shift lever through all ranges including reverse. 3. Engage parking brake and place shift lever in neutral. Check fluid level on dipstick. 4. Proper level is between FULL and ADD marks on dipstick. NOTE Check fluid for a burnt smell, grit, discoloration, air bubbles, or a milky appearance. l Burnt smell, discoloration, or grit indicates worn or damaged internal components. Notify OS maintenance (chapter 14). l Bubbles indicate an overfilled system or air leaks - : in the system. Drain the fluid and refill to proper level (para. 5-2). l Milky appearance is due to water in the system. Drain the fluid from the entire transmission and transmission cooling system and install a new filter (para. 5-2). l Check fill tube for indications of fluid being blown out. If fluid is being blown out, check vent line for obstructions, and refill transmission to proper level (para. 5-2). Among the items are the driveshafts. suspension, differentials, and geared hubs. LUBRICATION SYSTEM 2-71