TM 9-2350-287-20-1TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) FOR M992A1S= SEMIANNUAL A= ANNUALITEM INTERVALITEM TO BEPROCEDURENOT FULLY MISSIONNO.INSPECTEDCAPABLE IF15ACOOLING SYSTEMRADIATOR HOSESAND PUMPS(continued)d. Check drive shafts (19) for exces-d. Drive shaft boots aresive wear, torn or loose rubber bootstorn or loose, or retaining(5), or loose or missing retainingrings are missing.rings (4) (para 6-5).NOTE16ACOOLING SYSTEMClean radiator with oil cooler cleanerRADIATORand cleaning agent that removesdeposits of sand, oil, clay, and otherdebris from radiator cooling fins. Thecleaning agent can be a solution ofdetergent and water or nontoxic,nonflammable solvent and water.a. Connect oil cooler cleaner (Item 40,a. Radiator fins areAppendix I) to air supply, and insertclogged. Engine overheats.liquid supply hose into container forcleaning solution.b. Insert oil cooler cleaner throughradiator fan shroud opening, and wetfront and back of radiator (20) withcleaning solution. Allow solution tosoak on radiator (20) for approximately10 minutes.Change 1 2-24
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