Instrument Panel (cont)

TM 9-2350-238-10 Item No. 8 9 10 11 Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR THE RECOVERY VEHICLE M578–CONTINUED Interval Before Before Before Before Item to Check/Service Instrument Panel (Continued) Gas Partic- ulator Unit Drain Valve Vehicle Interior (Crane Cab) Procedure (2) (3) (4) Check ENGINE OIL pressure indi- cator (6) - Normal operating pressure at 1,800 rpm and above is 50 to 70 psi (343.75 to 482.65 kPa). Minimum allowable pressure is 5 psi (34.48 kPa) at 650 rpm, 28 psi (193.06 kPa) at 1,800 rpm, 30 psi (206.85 kPa) at 2,000 rpm, and 35 psi (241 .35 kPa) at 2,300 rpm. Tachometer (7) and speedometer (8) should operate without excessive fluctuation or unusual noises. Check fuel level at fuel gauge (9). air flow at outlet. Operate driver’s compartment drain valve handle (1 ) to check for free operation. Make sure drain valve is closed. a. Make a visual inspection for damage, corrosion, pilferage, and/or leaks that may have oc- curred after previous usage. Not fully Mission Capable if: Class Ill leaks. Change 1 2-25