TM 5-3825-229-14&P4-7.ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (cont)Table 4-1. Organizational Preventive Maintenance Checks and ServicesQ = Quarterly S = Semiannually A = AnnuallyITEMINTERVALITEM TO BE INSPECTEDNO.QSAPROCEDURES1.BATTERYTest battery voltage and specific gravity (see para. 4-22). Refer to TM 9-6140-200-14.2.SUSPENSIONInspect semi-trailer suspension (rear axle assembly, springs, and torque rods)for leakage, cracks, or other damage. Report any damage to General and DirectSupport Maintenance.3.BRAKE SHOESa. Inspect brake shoe linings for wear. If lining is worn to within 1/16 in. (1.58mm) of rivet heads, replace brake shoe (see para. 4-25).b. Adjust brakes and length of travel of brake chamber pushrod (see para. 4-25).4.AIR BRAKE SYSTEMWith air system fully charged, apply a soap solution to all couplings, air lines,fittings, valves, and reservoirs. Make note of any leaks, damage, or looseconnections. Tighten loose connections or make repairs as necessary (seepara. 4-28 through 4-35).5.WHEEL BEARINGSAdjust wheel bearings (see para. 4-36).6.HUBSInspect hubs for proper level of oil and replenish as necessary (see para. 4-36).7.KINGPIN AND FIFTH WHEEL PLATEClean kingpin and fifth wheel plate using rags and compressed air. Checkkingpin for cracks, rust or other damage. If kingpin shows signs of damage,entire fifth wheel plate must be replaced. Notify Direct Support/General SupportMaintenance.4-4
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