TM 9-2815-225-34&P 3-13. MOUNTING ENGINE ON MAINTENANCE STAND (Contd) LOCATION/ITEM ACTION REMARKS b.  Draining NOTE Use separate containers for draining each system. 2. Oil drainplug (6) a.  Remove from oil pan (13).   Allow oil to drain out. b.  Install on oil pan (13) when oil stops draining. WARNING Do not perform fuel system procedures while smoking or within 50 ft (15.2 m) of sparks or open  flame.    Diesel  fuel  is  flammable  and  may  explode.    Failure  to  comply  may  result  in injury to personnel and/or damage to equipment. 3. Fuel/water separator a.  Open.   Allow fuel to drain out. drainvalve (4) b.  Close when fuel stops draining. 4. Ether quick-start thermostat a.  Disconnect connector (8) from wire harness connector (8) thermostat (9). and either quick-start thermostat (9) b.  Remove from cylinder block Drain coolant from cylinder (12). block (12). 5. Oil cooler water drainvalve Open. Drain coolant from oil cooler. (7) 6. Thermostat housing Open. Provides air vent for draining drainvalve (10) thermostat housing. 7. Ether quick-start Install on cylinder block (12) Do not tighten. thermostat (9) when coolant stops draining. 8. Drainvalves (7) and (10) Close when coolant stops draining. c.  Cleaning 9. Dressed engine a.  Cover all openings with water- assembly (1) proof tape or suitable caps or plugs. b.  Clean all external parts Ensure no foreign material and outer surfaces. enters the working parts of engine. c.  Remove mud and dirt using water under pressure. WARNING Approved  solvents  may  be  flammable  and  will  not  be  used  near  open  flame.    Use  only  in well-ventilated area.  Failure to comply may result in injury to personnel. d.  Remove oil and grease using a stiff brush and approved solvent. 3-12