TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

Page 56 of 1236

TM 9-2350-261-20-1 HOW TO USE THIS MANUAL (cont) Preventive Maintenance Checks and Services (PMCS) WP Preventive maintenance is required to keep your carrier in good running condition. The PMCS procedures for unit maintenance are performed on a periodic basis. There are two types of PMCS for the vehicle, as follows: The SEMI-A NNU AL PMC S m ust be don e ev ery 6 m on ths or ev ery 1,50 0 miles. The ANNUAL PMCS must be done annually. If anything seems wrong with the vehicle systems and you cannot fix it yourself, notify unit maintenance. Common things to watch for are loose bolts or damaged welds. Watch for worn insulation, loose clamps, and loose connectors when checking wiring harnesses. The following sample shows you what to look for when you read a PMCS procedure. For more information, see the PMCS WP (WP 0120 00). LEGEND ITEM NUMBER This is the sequence for doing the PMCS. INTERVAL This tells you when to perform the PMCS check. MAN-HOUR When equipment must be lubricated, this tells you the man-hours that will be required for the lubrication procedure. ITEM TO BE CHECKED OR SERVICED The name of the system or component being checked. CREWMEMBER This tells you which crewmember must perform the check. PROCEDURE This tells you what needs to be done. EQUIPMENT NOT READY/AVAILABLE IF: This tells you what conditions make the vehicle N O T R E A D Y / A V A I L A B L E . These conditions will have to be corrected before you perform your mission. DEFINITION OF WP TERMS Warnings, Cautions, and Notes Pay attention to all warnings and cautions within the WP. Ignoring a warning could cause death or injury to yourself or other personnel. Ignoring a caution could cause damage to equipment. Notes contain facts to make the procedure easier. Warnings, cautions, and notes always appear just above the step to which they apply. WARNINGs Call attention to things that could kill or injure personnel. Warnings are also listed in the Warning Summary section. CAUTIONs Call attention to actions or materials that could damage equipment. NOTEs Contain important facts to make the procedure easier. Helper Helpers are needed in procedures that require more than one person. A helper may be needed to help lift objects or act as an outside observer. If a helper is needed to perform a procedure, the INITIAL SETUP will list “Helper (H)” under the PERSONNEL REQUIRED heading. If a helper assists with a step or substep, the step or substep will include: “Have helper assist.” If a helper performs the action alone, the step will start with “(H):.” xxx