Section III. OPERATION UNDER USUAL CONDITIONS

Operator Preventive Maintenance Checks and Services (PMCS) (Cont). - TM-5-4310-386-14_29

TM-5-4310-386-14 Compressor Reciprocating Air: Electric Motor Driven & CFM 175 PSI C & H Model 20-918 Manual
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TM 5-4310-386-14 Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) (Cont). B - Before D - During A - After W - Weekly INTERVAL EQUIPMENT IS ITEM ITEM TO BE INSPECTED NOT READY/ NO B D A W PROCEDURES AVAILABLE IF: 13 • • Check alternator V-belt tension. Visually Belt depression is more than 1/2 inch. inspect for wear, fraying and peeling through guard screen. Check belt tension through hand opening. 14 • Clutch. Check clutch engagement, there Clutch slips, handle disengages, no should be a noticeable snapping action snapping action, or clutch has no when clutch is properly adjusted. adjustment left. 15 • Pressure Maintenance Valve (PMV). PMV does not maintain 1800 to 2000 psi on the final pressure gage. Section III. OPERATION UNDER USUAL CONDITIONS Paragraph Page 2-10 General...................................................................................................................................... 2-9 2-11 Pre-Operational Checks ............................................................................................................. 2-9 2-12 Start-Up Procedures................................................................................................................... 2-11 2-13 Shut-Down Procedures............................................................................................................... 2-13 2-10. General. This section describes the operating procedures for the K-20-D Compressor Unit. Included are pre- operational checks, start-up procedures and shut-down procedures. 2-11. Pre-Operational Checks. After performing PMCS procedures in Section II, proceed with the following (figure 2- 3): a. Ensure that the engine exhaust is located down-wind and the pre-filter air-intake is up-wind and fully extended. b. Check oil level in the compressor and engine, add as required. c. Check fuel in tank; top off if required. d. Ensure that the air cleaner bowl (1) has been filled (use same grade motor oil for engine). e. Check ether reservoir (2); add if required (cold weather). 2-9

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