SECTION II. OPERATOR'S PREVENTIVE MAINTENANCE

CHAPTER 2. OPERATING INSTRUCTIONS - TM-5-4310-385-13_16

Table 2-1. Operator's Preventive Maintenance Checks and Services

TM-5-4310-385-13 Compressor Reciprocating Air: Electric Motor Driven Caster Mounted 5 CFM 175 PSI C & H Model 20-917 Manual
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TM 5-4310-385-13 SECTION II. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) 2-2. GENERAL. The operators PMCS table lists the inspections and service procedures to properly maintain the air compressor in good operating condition. Items covered here are appropriate for operator level only. Always keep in mind the CAUTIONS and WARNINGS before performing checks and services listed in the PMCS table. 2-3. PMCS TABLE FORMAT. The following columns make up the PMCS table. a. Item No. Each maintenance check is identified by a separate item number. The item column will be used as a source of item numbers for the "TM Number" column on DA Form 2404 Equipment Inspection and Maintenance Worksheet, in recording results of PMCS. b. Interval. The interval column of the PMCS table identifies when to perform the service check or maintenance. A dot () appears underneath the appropriate column(s) abbreviation: B - Before Operation D - During Operation A - After Operation W - Weekly c. Item To Be Inspected/Procedure. This column identifies how to perform the required checks and services. Carefully follow these instructions. If appropriate tools are not available to operator, organizational maintenance should perform the work. If your equipment does not perform as required, refer to Chapter 3, Section V. Troubleshooting for possible problems. Report any malfunctions or failures to organizational maintenance. d. Equipment Not Ready/Available lf: This column indicates when and why equipment cannot be used after completing the specific PMCS. NOTE The terms ready/available and mission capable refer to the same status: Equipment is on hand and is able to perform its combat missions (see DA PAM 738-750). 2-4. SPECIAL INSTRUCTIONS. a. If the equipment must be kept in continuous operation, check and service only those items that can be checked and serviced without disturbing operation. Make the complete checks and services when the equipment can be shut down. b. "Before Operation (B) " checks should be limited to those required for consecutive application by an assigned operator/crew. Perform "Weekly (W) " as well as "Before Operation (B) " PMCS if: (1) Compressor has not been operated since the last weekly PMCS, or; (2) Compressor is being operated for the first time. c. Leakage definitions for operator/crew PMCS are 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). 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 by PMCS table. Class III leaks should be reported to your supervisor. 2-2

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