PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (continued)

Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

TM-9-2350-287-10 Carrier Personnel Full Tracked Armored M113A3 2350-01-219-7577 (EIC AE7) Carrier Command Post Light Tracked M577A3 2350-01-369-6085 (EIC AE7) Manual
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TM 9-2350-287-10 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (continued) If your equipment fails to operate. Troubleshoot with proper equipment. Report any deficiencies using the proper forms. See DA Pam 738-750. While you perform PMCS, have tools with you and keep an eye out for the following: •Loose bolts. A loose bolt can be difficult to spot without using a wrench. However, you can often identify a loose bolt by observing loose or chipped paint around the bolt head and bare metal or rust at its base. Tighten loose bolts and spot paint as required. •Damaged welds. Damaged welds may be detected by observing rust or chipped paint where cracks occur. •Frayed electrical wires and loose connectors. Check electrical wiring for cracks due to aging and exposed wires that could cause an electrical short. Tighten loose clamps and connectors. •Frayed brake cables and loose linkages. Check brake cables for signs of excessive wear near their middles. Make sure throttle and steering linkages are properly secured. •Corrosion. Check for signs of deterioration, rust, unusual cracking, softening, swelling, or breaking. •Leakage definitions. Leakage definitions for operator/crew PMCS shall be classified as follows: Class I Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops. Class II Leakage of fluid great enough to form drops but not enough to cause drops to drip from item being checked/inspected. Class III Leakage of fluid great enough to form drops that fall from the item being checked/ inspected. CAUTION Equipment operation is allowable with minor leakages (Class I or II). Of course, you must consider the fluid capacity in the item/system being checked/inspected. When in doubt, notify your supervisor. When operating with Class I or Class II leaks, continue to check fluid levels as required in your PMCS. Class III leaks should be reported to your supervisor or Unit maintenance. Damage definitions. Damage definitions are as follows: •Blowby. Powder marking beyond a sealing surface. •Burr. A raised portion, restricting the entrance of a part, component, or assembly. 2-27

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