ARMY TM 9-6115-671-14 AIR FORCE TO 35C2-3-446-32 MARINE CORPS TM 09249A/09246A-14 F-1/F-2 BLANK APPENDIX F OPERATOR’S LUBRICATION INSTRUCTIONS F.1 SCOPE. This appendix lists operator lubrications and instructions for the generator set.   F.2 GENERAL. Intervals (on-condition or hard time) and the related man-hour times are based on normal operation.  The man-hour time specified is the time you need to do all the services prescribed for a particular interval.  On- condition (OC) oil sample intervals shall be applied unless changed by the Army Oil Analysis Program (AOAP) laboratory.  Change the hard time interval if your lubricants are contaminated or if you are operating the equipment under adverse operating conditions, including longer-than-usual operating hours.   The hard time interval may be extended during periods of low activity.  If extended, adequate preservation precautions must be taken.  Hard time intervals will be applied in the event AOAP laboratory support is not available. F.3 LUBRICANTS. NOTE Operator level lubrication is limited to adding engine crankcase oil. NOTE For arctic operation, refer to FM 9-207. EXPECTED TEMPERATURES LUBRICANTS CAPACITY Above +32° (0°C) +40°F (+4°C) to -10°F (-23°C) 0°F (-17°C) to -65°F (-53°C) OE/HDO-OIL, Engine Heavy Duty With Filter 14 quarts (13.24 liters) OE/HDO- 15/40 or OE/HDO-30 OE-HDO-10 OEA OEA-OIL, Engine,   Sub-zero Without Filter 13 quarts (12.30) CAUTION At 100 hours hard time, the oil and filter must be changed or the warranty may be voided.