TM-9-2320-280-10 HMMWV Operator Manual Download
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TM 9-2320-280-10 2-78 Change 1 Item No. Interval Cr ewmember Procedure Not Fully Mission Capable If: Table 2-2. Preventive Maintenance Checks and Services (Cont’d) Location Item to Check/ Service DRIVER 24 After Fuel Filter WARNING Do not perform fuel system checks, inspec- tions, or maintenance while smoking or near fire, flames, or sparks. Fuel may ignite, causing damage to vehicle and injury or death to personnel. NOTE A rubber hose can be attached to drainvalve to catch fuel in container before opening drain valve. If fuel is clear, put fuel back in fuel tank. a. Check fuel for contamin- a. Fuel is not clear ation. With engine running, after draining 1 pint open drainvalve. Allow fuel (0.47 L). to drain in suitable container until it runs clear. Close valve. NOTE Fuel retained in the drain- valve may drip when vehicle vibrations occur. This is normal and does not constitute a leak. Wipe drainvalve with rag until excess fuel is removed. b. Check for leaks. b. Class III leakage evident. c. Stop engine and remove rubber hose from drainvalve, if installed.