TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 392 of 1176
TM 9-2320-361-24-1 0023 00 0023 00-16 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: 31 32 33 Semiannually Semiannually Semiannually Semiannually Semiannually Semiannually Semiannually Semiannually Semiannually Semiannually Frame and crossmembers (Contd) Propeller shafts Transmission Transfer case b. Thoroughly clean rivet and riveted connection of all dirt, grease, and oil. Using an oil can, apply oil on suspected loose rivet(s). Allow 10–20 seconds for oil to penetrate. Clean excess oil and tap rivet with hammer. A loose rivet will squirt oil when tapped. If loose or broken rivets are found, notify your supervisor. c. Check bolted frame connections for loose bolts and nuts, security, and proper mating with frame surfaces. d. Check welded frame connections for integrity and deterioration. Notify your supervisor for repair or replacement of welded frame connections. a. Check all propeller shafts (1) for bends, cracks, missing counterweights, and security. If loose, tighten mounting screws 90–120 lb-ft (122–163 N•m). If cracked or broken, replace (WP 0139 00). b. Inspect universal joints (2) to make sure there is no play, broken retaining clips and bearing cups, or missing lubrication fittings (WP 0141 00). a. Inspect transmission (4) for loose screws and plugs that may cause leaks. If loose, tighten. b. Inspect transmission (4) for missing or loose mounting screws. If loose, tighten 23–26 lb-ft (31–35 N•m). If missing, notify your supervisor. c. Remove transmission breather valve and clean (WP 0128 00). d. Be alert for unusual noises and difficulty in shifting in any gear range. a. Inspect transfer case (3) for oil leaks, cracks, and loose screws that may cause leaks. d. Welds are cracked or broken. a. Propeller shaft is bent, cracked, or loose. b. Transmission mounting screws are loose or missing. d. Shifting is stiff, binding, or slipping