PREVENTIVE MAINTENANCE SCHEDULE 5 (03/17) Y53-6077-1B1 5-19 PREVENTIVE MAINTENANCE (PM) INTERVALS SYSTEM COMPONENT MAINTENANCE TASK Recommended PM Interval I A B C D E Drive Axle (Meritor) Axle Housing Check the “cold” fill level at the differential carrier plug for a pinion angle of less than 7 degrees, or at the axle bowl plug for a pinion angle of greater than 7 degrees. Tighten the plug to 35-50 Lb. ft. (47-68 N.m.) X Visually inspect for damage or leaks. X Drain and replace the lubricant. See information on page 5-51 Lubricant filter Change the filter. X Breather Check the operation. If the cap doesn’t rotate freely, replace. X Input shaft and pinion shaft Check and adjust the endplay.
X Axle shaft Tighten the rear axle flange nuts to the specified torque value. X Interaxle differential Check the operation. X