TM-9-2320-387-10 HMMWV Operator Manual Download

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12 Before Instrument b. Start engine and check b. Engine will Panel the following: not start. (Cont’d) c. Engine oil pressure c. Oil pressure is gauge. less than 6 psi (41 kPa) at idle or 15 psi (103 kPa) under load. d. Voltmeter. d. Voltmeter needle stays in yellow or red range. e. Air restriction gauge. e. Air restriction indicator reaches red zone. f. Brake warning light f. Brake warning should go off when hand light stays on after brake is released. hand brake is released or comes on while driving. g. Check fuel gauge. h. Check coolant h. Coolant tem- temperature gauge. perature gauge inoperative or reads greater than 230°F (110°C). Table 2-2. Preventive Maintenance Checks and Services (Cont’d). Item No. Interval Not Fully Mission Capable If: Location Item to Check/ Service Crewmember Procedure TM 9-2320-387-10 Change 1 2-37 COOLANT TEMPERATURE GAUGE AIR RESTRICTION GAUGE BRAKE WARNING LIGHT VOLTMETER FUEL GAUGE ENGINE OIL PRESSURE GAUGE