Operating Instructions for Air Compressor

Lubrication Instructions For Air Compressor

TM-10-4310-392-13P ATLAS COPCO Reciprocating Compressor Manual
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1. Operating Instructions for Air Compressor (Model No. 3LE6A). The air compressor is designed for automatic operation through a pressure switch without damaging the air compressor or the piping and valves. Procedures for energizing and operating the air compressor follow: Energizing and Operating the Air Compressor. a. Check all electrical wiring for loose connections. b. Check that oil level is in middle of the sightglass. If oil level is low. fill to proper level. See Lubrication Instructions for the proper oil to be used. c. Ensure all air outlet valves in the system are closed. d. Open drain valves one at a time in the system. Drain any condensation and close valves. e. Place appropriate circuit breaker to the ON position and start the air compressor by placing switch on air compressor controller to the ON position. f. Verify proper operation of the compressor pressure switch. Switch is set to stop the compressor when pressure in accumulator reaches 120 psi and to start the compressor when pressure drops to 60 psi. g. To shut down automatic operation of the compressor, place switch on controller to OFF position. h. Check all air valves and piping for leaks. 2. Preventive Maintenance Checks and Services For Air Compressor (Model 3LE6A). Routine maintenance ensures trouble-free operation. When performing a preventive maintenance check, always perform all of the shorter interval checks that precede it. Interval/ Running Hours Check/Service Note Daily Check oil level. Refer to Lubrication Instructions, paragraph 3. Weekly Drain Condensate from air tank by opening draincock in bottom of tank. Weekly Inspect air filter. Clean with compressed air or replace if necessary. Monthly Check operation of safety valve by pulling If air does not escape from test link. the tank, replace safety valve. Monthly Clean unit. Remove dust or dirt from cooling fins. Monthly Check that pressure switch operates properly. Adjust or replace switch if necessary. Yearly or 350 hours Change air filter. More often if operating in dusty atmosphere. Yearly or 1000 hours Inspect and clean non-return valve. Yearly or 1000 hours Change strainer in non-return valve assembly. Yearly or 1000 hours Change muffler. Yearly or 1000 hours Check tension of drive belts. Correct adjustment is obtained when each V- belt can be pushed inward 15 mm (0.6 inches) per m distance between the two axle centers when a force of 20 N (4.5 lbf) is exerted midway between the two pulleys. Yearly or 2000 hours Change oil. Refer to Lubrication Instructions, paragraph 3. Bi-annually or Change crankcase breather valve. 2000 hours Bi-annually or Change non-return valve assembly. 3000 hours Bi-annually or Change valves. Refer to Valve Replacement Procedure, 5000 hours. paragraph 5. 1A

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