19 March 1990
Supersedes LO 9-2350-266-12, dated 10 April 85.
CARRIER, PERSONNEL, FULL TRACKED,
ARMORED FIRE SUPPORT,
References TM 9-2350-266-10, TM 9-2350-266-20, TM 9-2350-261-20, TB 43-0210, and CL9100SL
Check drain plug and oil for metallic particles and foreign matter.
Clean drain plug and apply antiseize compound (TM 9-2350-261-20).
Lubricate new preformed packing with oil prior to installing.
Install drain plug with new preformed packing in gearbox housing.
Fill gearbox with approximately 10 ounces of oil (OE/HDO or OEA) to bring level to
center of sight glass.
Hydraulic fluid is toxic to skin, eyes, and respiratory system. Wear skin, eye, and
respiratory protection while doing this procedure.
Use only hydraulic fluid indicated. DO NOT use brake fluid DO NOT overfill.
DO NOT mix hydraulic fluid types. Damage to the hydraulic system may result.
DO NOT grease pivot steer bleeder valves.
3. PIVOT STEER SYSTEM. Every 150 hours, 1500 males, or semiannually, remove plugs and
check fluid level in both master cylinders (TM 9-2350-261-20). Add fluid, as required, to bring
fluid within 1/2 to 3/4 inch from top of cylinder.
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