LO-9-2320-260-12 Lubrication Order for M113A2 M577A2 M106A2 M125A2 M1059 M1064 M1068 Download
Page 26 of 42
LUBRICATION ORDER LO 9-2350-261-12 10 JULY 1990 (Supersedes LO 9-2350-261-12, July 1985) NOTES 1. FAN GEARBOX. Daily check fan gearbox oil level. Add OE/HDO or OEA, as needed, to bring oil level to center of sight glass. 2. FAN GEARBOX OIL DRAIN. Drain fan gearbox every 1500 miles or semiannually, as follows: NOTE Drain oil only when hot after operation. a. Place suitable container under fan gearbox drain. b. Remove drain plug and preformed packing from gearbox housing and drain oil into container. Discard packing. c. Check drain plug and oil for metallic particles and foreign matter. If metal chips are found, notify unit maintenance. d. Clean drain plug and apply antiseize compound (TM 9-2350-261-20). e. Lubricate new preformed packing with OE/HDO prior to installing. f. Install drain plug with new preformed packing in gearbox housing. g. Fill gearbox with approximately 10 ounces of OE/HDO to bring the level to center of sight glass. WARNING Fire resistant hydraulic (FRH) fluid may contain Tricresyl Phosphate which, if taken internally, can produce paralysis. Hydraulic fluid may be absorbed through the skin. Wear long sleeves, gloves, goggles, and face shield. If FRH gets in eyes, wash them immediately and get medical aid immediately. If FRH gets on your skin, thoroughly wash with soap and water. Wash hands thoroughly prior to eating or smoking. Application of these measures is considered an effective control of the hazard. CAUTION Use only FRH hydraulic fluid. Do not mix different types of hydraulic fluids. Do NOT overfill. CAUTION Do NOT grease pivot steer bleeder valves. 3. PIVOT STEER SYSTEM. Remove plugs and check fluid level in both master cylinders every 150 hours, 1500 miles, or semiannually (TM 9-2350-261-20). Add fluid, as required, to bring fluid within 1/2 to 3/4 inch from top of cylinder. 4. PIVOT STEER FLUSH. Flush pivot steer system, when hydraulic fluid is contaminated or when fluid type is changed, as follows: a. Remove fill plugs, open bleeder valves, and drain hydraulic fluid into a suitable container. b. Close bleeder valves and fill pivot steer system with hydraulic fluid. c. Bleed pivot steer system and add hydraulic fluid as needed. Install fill plugs. d. Move pivot steer levers back and forth several times. e. Remove fill plugs, open bleeder valves, and drain hydraulic fluid into suitable container. f. Close bleeder valves and fill pivot steer system with new hydraulic fluid. g. Bleed pivot steer system and add hydraulic fluid as needed. Install fill plugs. h. Test pivot steer system. Change 4 CARD 19 of 32