TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download

Page 117 of 352

TM 9-2350-311-34-1 10 Air cleaner blower motors should meet the following performance specifications: (a) Rated voltage: 24 Vdc. (b) Blower load current: 7.5 amps maximum at 73°F (23°C) ambient temperature. (c) Blower load speed: 11,500 rpm 10% at 77° F (25°C) ambient temperature. For +10% voltage, maximum speed change of +10. For -10% voltage, maximum speed change of -10%. VOLTAGE* MAXIMUM AMPS CFM INLET VACUUM GAGE READING 24 5.5 0 minutes 14.0-in. (35.6-cm) water minimum 24 6.5 40 minutes 8.0-in. (20.3-cm) water minimum 24 7.5 60 minutes 0.0-in. (0.0-mm) water minimum * Performance data at 72 to 82°F (22 to 28°C) ambient temperature. NOTE Performance curve at 24 Vdc 25 ± 8°C ambient temperature. Amps line represents maximum values. Speed, efficiency, and watts output curves are minimum values. PERFORMANCE CHART NOTE FOLLOW-ON MAINTENANCE: Refill engine coolant system (TM 9-2350-311-10 5-35