a. With engine running, open access door (2) located in floor on passenger side of personnel compartment and remove dipstick (1) from filler tube (3). If trans- mission temperature is below 160°F (71°C), ensure dipstick (1) shows fluid level is within COLD RUN band (4). If fluid level is not within COLD RUN band, add as necessary, or notify unit maintenance to drain. b. After the indicated transmission oil temperature on the gauge is within normal operating range, 160°-300°F (71°-149°C), check transmission dipstick (1) again and add fluid until level is within HOT RUN band (5), or notify unit maintenance to drain. Table 2-2. Operator/Crew Preventive Maintenance Checks and Services (Contd). ITEM NO. INTERVAL ITEM TO CHECK/ SERVICE PROCEDURE NOT FULLY MISSION CAPABLE IF: TM 9-2320-386-10 2-34 Change 1 CAUTION • Do not permit dirt, dust, or grit to enter transmission filler tube. Thoroughly clean access door, dipstick handle, and end of filler tube. Serious internal transmission damage may result if transmission is con- taminated. • Do not check transmission oil level if transmission oil temper- ature gauge indicates over 300°F (149°C). Stop engine and allow transmission to cool. 29 After Trans- VEHICLE INTERIOR Operation mission ENGINE RUNNING (Contd) oil level 4 5 1 WARNING Hearing protection is required when maintaining vehicle with engine running. LUBRICANT MIL SYMBOL (NATO CODE) SPECIFICATION SAE 15W40 -4 to +122 -20 to +50 (O-1236) MIL-PERF-2104 OEA -50 to -4 -46 to -20 (O-183) MIL-PERF-46167 EXPECTED TEMPERATURES °F °C 1 2 3