TM 5-3820-205-10-2 B-BEFORE D-DURING A-AFTER W-WEEKLY M-MONTHLY INTERVAL ITEM TO BE INSPECTED ITEM PROCEDURE: CHECK FOR AND HAVE REPAIRED, EQUIPMENT IS NOT NO. B D A W M FILLED, OR ADJUSTED AS NEEDED READY/AVAILABLE IF: 11 ENGINE SAFETY CONTROLS Caution: If the engine starts with less than 15 psi oil pressure, shut off the engine. Note: Ensure that the fuel valve is open. • With engine run-start switch in the RUN position, Engine starts with less than 15 psi press engine start button to engage starter.  Engine oil pressure. should not start while engine oil pressure is below 15 psi. 12 ENGINE FAN • Visually check the fan for cracks, loose rivets, and Broken or missing blades. bent or loose blades. 13 AIR CLEANER Warning: If NBC expose is suspected, all engine air cleaner air filter media should be handled by personnel wearing protective equipment. Consult your NBC Officer or NBC NCO for appropriate handling or disposal procedures. • Visually check air filter restriction indicator.  (Green Air filter restriction indicator is indicates good condition.) red or element is missing. 14 INSTRUMENTS AND GAGES • a. Oil pressure above 15 psi at 650 rpm. Oil pressure below 15 psi. • b. Oil temperature normally reads 220°F-250°F Oil temperature above 250°F maximum. • c. Voltmeter 24-28 volts. Voltage not within limits. • d. Tachometer 650 rpm idle to 2100 rpm rated Tachometer not within limits. speed.  (Tachometer may stick to rpm at engine shut-down, until engine is restarted.) • e. Water temperature 200°F maximum.   Water temperature above 200°F. 15 MASTER CLUTCH • Check for proper operation and adjustment.  Firm Clutch slipping or will not engage. pressure is required to engage clutch.  If adjustment is needed, report it to organizational maintenance. 16 HOPPERS AND CHUTES • a. Check for proper operation. • b. Check deflectors for proper adjustment.  When Incorrect deflector adjustment. hopper is loaded, deflectors should barely touch conveyor belt. 39