TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0023 00 0023 00-4 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (Contd) Table 1. Preventive Maintenance Checks and Services (PMCS) (Contd). ITEM NO. INTERVAL ITEM TO CHECK/ SERVICE PROCEDURE EQUIPMENT NOT READY/AVAILABLE IF: 7 8 9 Semiannually Semiannually Semiannually Semiannually Semiannually Semiannually Semiannually Engine stop control Batteries RPL Air cleaner indicator Stop engine (TM 9-2320-361-10). AFTER ROAD TEST Perform all after-operation weekly and monthly checks in TM 9-2320-361-10 PMCS. Make the following inspections in the order given, including kit items on vehicles so equipped. WARNING • Battery acid (electrolyte) is extremely harmful. Always wear safety goggles and rubber gloves when performing battery maintenance. Severe injury will result if acid contacts eyes or skin. Failure to do so may result in injury to personnel. • Do not smoke, have open flame, or make sparks when performing battery maintenance. Batteries may explode causing severe injury to personnel. • Remove all jewelry such as rings, dog tags, and bracelets. If jewelry or disconnected battery ground cable contacts battery post, a direct short can result, causing damage to equipment or severe injury to personnel. a. Check specific gravity of each cell before adding distilled water. Using optical battery tester, which requires no temperature compensation, check specific gravity of electrolyte in each cell (TM 9-6140-200-14). b. Clean and inspect battery cables (WP 0126 00). c. If specific gravity of any cell is below 1.255, battery must be replaced or recharged. Add distilled water as necessary after checking battery. Charge batteries as necessary (TM 9-6140-200-14). Test air cleaner indicator (1) for proper operation: a. Remove clamp and cap from air cleaner. b. Start engine (TM 9-2320-386-10) and run at 1200 RPM. Air cleaner indicator inoperative or yellow band is not showing.