TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 396 of 1176
TM 9-2320-361-24-1 0023 00 0023 00-20 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: 41 Semiannually Exhaust bypass system CAUTION Exhaust bypass system will overheat tank body if there is less than 10 in. (25.0 cm) of water in either compartment. Make sure level is above 10 in. (25 cm) before checking exhaust bypass system. Check exhaust bypass system for proper operation as follows: WARNING Do not touch hot exhaust system components with bare hands. Injury to personnel may result. a. Close and latch front exhaust shutoff valve (1). b. Open rear exhaust shutoff valve (2). c. Start engine (TM 9-2320-361-10). d. Check to make sure exhaust gases are coming out of rear exhaust. e. Stop engine (TM 9-2320-361-10). f. Open front exhaust shutoff valve (1). g. Close rear exhaust shutoff valve (2). Exhaust bypass system is malfunctioning. 2 1