Craftsman MG-OILLUBE Air compressor Page 24 Manuallines Download | Manualshive

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Summary of Contents for MG-OILLUBE Air compressor

Page 1: ...n the spaces provided 1 The model number which can be found on the maintenance label on the left front of the air tank 2 The code number which can be found on the foil label on the rear of the air tank 3 The Manufacturers Number ASME code compressors only is located on the metal data plate which is welded onto the backside ofthe air tank This data plate Is paintedthe same color as the tank Retain ...

Page 2: ... Valve Inspection and Replacement 15 Safety Valve Inspection and Replacement 15 Belt Replacement 16 Belt Guard Removal and Installation 16 Pressure Switch Replacement 16 Motor Overload Protector Reset 17 Motor Lubrication 17 Motor Replacement 17 Air Compressor Pump Replacement 17 Pulley and Flywheel Alignment 18 Manifold Regulator Assembly Removal and Installation 18 Separate Regulator or Shut Off...

Page 3: ...secorrosion andweaken ing of parts This does not affect your air compressor but it may affect the equipment being used Compressed air can propel dust dirt or loose par ticles it comes in contact with These propelled par ticles may cause serious injury or damage Toomuch air pressure appliedto airtoolsoraccesso riescan cause damageor riskof bursting HOW TO PREVENT IT Nevertouch the aircompressorhead...

Page 4: ...ys plug the cord intoan electrical outletwiththe specified voltage and adequate fuse protection Never operate the compressorwith the belt guard removed Always unplugthe unit and release air pressure from the tank and any accessories before doing repair or maintenance Never directly inhalethe compressedair produced by this unit Read labels and safety data for all materials you spray Follow all safe...

Page 5: ... Use a Fusetron Type T time delay fuse Certain air compressor models can be con verted to 240 volts from 120 volt operation When converting a specific model to 240 volt operation the attached three prong 120 volt plug must be replaced with the three prong 240 volt plug purchase locally or order line cord Part No SUDL 404 1 I CFM Cubic feet per minute SCFM Standard cubic feet per minute a unit of m...

Page 6: ...ay guns air tools caulking guns grease guns air brushes sandblasters inflating tires and plastic toys spraying weed killers insecticides etc An air pressure regulator is recommended for most of these applica tions Separate air transformers which combine the functions of air regulation and or moisture and dirt removal should be used where applicable These accessories can be purchased from most Sear...

Page 7: ...he air is not released the motor will try to start but will be unableto The pressure release valve allowsthe motor to restart freely When the motor stops running air will be heard escaping from the valve for a few seconds No air should be heard leaking when the motor is running Pressure Switch The pressure switch automatically starts the motor when the air tank pressure drops below the factory set...

Page 8: ...ndle under the saddle Fig 1 Before attaching handle you may have to pull the open ends of the handle apart so they fit tightly against the side of the saddle Looking in from the open end of the saddle position the handle toward the two bent tabs on the inside walls of the saddle Slowlypushtheopen ends of the handle onto both tabs atthe sametime Fig 2 Continue pushing the handle into the saddle unt...

Page 9: ...nut does not turn freely Tighten the nut firmly until it contacts the tank leg The outfit will sit level if the wheels are properly installed Installing Tank Pressure Gauge Applypipe sealant not supplied to the gauge threads and install in the threaded opening in front of the manifold Installing Regulator for outfits supplied with regulators Apply a small amount of pipe sealant to the tapered pipe...

Page 10: ...ration When converting a specific model to 240 volt operation the attached three prong 120 volt plug must be replaced with the three prong 240 volt plug purchase locally or order line cord Part No SUDL 404 1 Refer to the Outfit Parts Bulletin for your compressor Certain air compressor mod els can be operated on a 15 amp circuit if 1 Voltage supply to circuit is normal 2 Circuit is not used to supp...

Page 11: ... pipe is not designed for use with compressed air Regardless of its in dicated pressure rating plastic pipe can burst from air pressure Use only metal pipe for air distribution lines ELECTRICAL SHOCK HAZARD WHEN RE PAIRING OR REPLACING THE CORD OR PLUG KEEP THE GROUNDING WIRE SEPARATE FROM THE CURRENT CAR RYING WIRES NEVER CONNECT THE GROUNDING WIRE TO A FLAT BLADE PLUG TERMINAL THE GROUNDING WIRE...

Page 12: ...make sure the valves move freely and smoothly 3 Check the oil level add oil if necessary 4 Clean or blow off fins or any part of compressor that collects dust and dirt Compressor will run cooler and provide longer service Start the compressor outfit and check the following 1 With the outlet valve closed start the compressor outfit Allow the outfit to pump up to cut off pres sure 2 Make sure that a...

Page 13: ...N MOD ELS HAVING ONLY A SHUT OFF VALVE YOU MUST INSTALL A REGULATOR BEFORE USING ACCESSORIES RATED AT LESS THAN 125 PSIG WATER WILL CONDENSE IN THE AIR TANK IF NOT DRAINED WATER WILL CORRODE AND WEAKEN AIR TANK CAUSING A RISK OF AIR TANK RUPTURE 4 With tank pressure at approximately 20 PSI open the drain cock and allow moisture to drain NOTE If the drain cock valve isplugged release all air pressu...

Page 14: ...Routine Maintenance Schedule Every 8 Hours of Operation 1 Check oil level Add if necessary 2 Drain water from the air tank any moisture sepa rators or transformers 3 Check for any unusual noise and or vibration 4 Manually check all safety valves to make sure they are operating properly 5 Inspect for oil leaks and repair any leaks found Every 160 Hours of Operation 1 Check drive belttension adjust ...

Page 15: ...7 8 4 Check that the valve disc moves freely and that the spring holds the disc in the upper closed position The check valve may be cleaned with a solvent 5 Apply sealant to the check valve threads Reinstall the check valve turn clockwise Do not over tighten 6 Replace the outlet tube and tighten top and bottom tube nuts Oil Checking and Changing Safety Valve Inspection and Replacement Overfilling ...

Page 16: ...Place another wrench on tube nut and unscrew and remove 4 Using a flat bladed screwdriver push down on top of the manifold tube fitting adapter while pulling up on the tube This will disconnect the manifold tube from the tank fitting 5 Remove the two beltguard screws on the bottom front of the outfit 6 If so equipped remove inside guard from saddle Pressure Switch Replacement PRESSURE LOADS BEYOND...

Page 17: ...ve the belt guard 3 Remove drive belt 4 Loosen the motor pulley set screw and remove the pulley 5 Remove the motor cover plate and disconnect the leads from the power cord 6 Disconnect the motor mounting plate from the saddle and remove the motor Replace with a new motor and reinstall on the saddle 7 Connect the power cord leads to the motor follow ing the diagram on the cover plate 8 Install the ...

Page 18: ...or knob 3 Unscrew and remove the air outlet adapter 4 Unscrew and remove the safety valve and washer 5 Using a flat bladed screwdriver push down on the top brass ring of the manifold tank fitting adapter while pulling up on the manifold tube 6 Remove the manifold from the belt guard 7 Other parts on the manifold regulator can be re moved 8 Reverse the above procedures for reinstalling parts Tighte...

Page 19: ...nnect the pressure release and outlet lines to the compressor pump i STORAGE OF COMPRESSOR OUTFIT I 1 Review the Maintenance section on the preced ing pages and perform scheduled maintenance as necessary Drain the water from the air tank 2 Set the ON AUTO OFF switch to the OFF posi tion and unplug the unit 3 Remove any air tool or accessory 4 Protect the electrical cord and air hose from dam age s...

Page 20: ...rerelease valve is stuck If it doesnot movefreely replace the valve Retum the outfitto Sears Service Center to check and adjust orreplace switch Tighten fittings where air can be heard escaping Check fittings with soapy water solution DO NOT OVER TIGHTEN A defective check valve results in a constant air leak at the pressure release valve when there is pressure in the tank and the compressor is shu...

Page 21: ...red button located on the end of the motor If the overload still trips check for defective capacitor Motor wilt start automatically when tank pressure drops below cut in pressure of pressure switch Remove and clean or replace DO NOT OVER TIGHTEN Check wiringconnectioninsidepressureswitchand motorterminalbox area Return to Sears Service Center for inspectionor replacementif necessary Havecheckedat ...

Page 22: ...suresuppliedby your aircompressor youneed a largercompressor Clean orreplaceair intakefilter Do notoperatethe compressorinthe paint sprayarea Adjustbelttension Checkand replaceif required Removeandcleanor replace Tightenfittings See Air Leaks sectionof Trou bleshooting Guide Adjusttensionper instructions See Belt Adjust ment orReplacement section inthis manual Adjust tension See BeltAdjustment sec...

Page 23: ...i _ SERVICE NOTES 1 23 ...

Page 24: ...facts when you call or visit The model number of your Sears Air Compressor can be found on the label which is located on the back of the shroud WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOL LOWING INFORMATION PART NUMBER PART DESCRIPTION MODEL NUMBER NAME OF ITEM All parts listed may be ordered from any Sears Service Center and most Sears stores If the parts you need are not stocked locally your ...

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