Model G0471 3 HP Air Compressor
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18
Maintenance Notes
Date
This page is for tracking oil changes and other maintenance proce-dures to ensure that they are performed at the scheduled intervals.
Page 1: ...Y GRIZZLY INDUSTRIAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC EW7400 PRINTED IN CHINA AIR COMPRESSOR MODEL G0471 INSTRUCTION MANUAL ...
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Page 3: ...ems Needed For Set Up 8 Inventory 9 Assembly 9 Placement 11 SECTION 4 OPERATIONS 12 Operation Safety 12 Starting 12 Line Pressure Regulation 13 Connecting Tools 14 Storage 15 SECTION 5 MAINTENANCE 16 Schedule 16 Draining Tank 17 Pressure Safety Valve 17 Maintenance Notes 18 SECTION 6 SERVICE 19 Troubleshooting 19 Changing Oil 21 Check Valve 22 Fixing Air Leaks 22 Pressure Switch 23 Changing V Belt...
Page 4: ...ree enjoy able operation and proof of Grizzly s com mitment to customer satisfaction It is our pleasure to provide this manual with your air compressor It was written to encourage safety considerations and guide you through general operating pro cedures and maintenance The specifications details and photo graphs in this manual represent these air compressors as supplied when the manual was prepare...
Page 5: ...te danger and are not a substitute for proper accident prevention measures 1 READ THROUGH THE ENTIRE MANUAL BEFORE STARTING MACHINERY Machinery presents serious injury hazards to untrained users 2 ALWAYS USE ANSI APPROVED SAFETY GLASSES WHEN OPERATING MACHINERY Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses 3 ALWAYS WEAR AN ANSI APPROVED RESPIRATOR WHEN OPERATING...
Page 6: ...JUSTING KEYS AND WRENCHES Make a habit of check ing for keys and adjusting wrenches before turning machinery ON 17 REDUCE THE RISK OF UNINTENTIONAL FIRING DO NOT carry tool with hand on trigger and disconnect from air when not in use 18 USE PROPER AIR HOSE for the tool Make sure your air hose is in good condition and is long enough to reach your work without stretching 19 DONOTFORCEMACHINERY Work ...
Page 7: ...h your work without stretching Make sure the air lines and power cord do not come in contact with sharp or abrasive objects 6 COMPRESSED AIR USE Do not use the compressor for filling breath ing or diving tanks Compressed air from this compressor cannot be used for pharmaceutical food or health applications 7 PLASTIC PVC PIPE DO NOT use plastic pipe for high pressure air lines It could shatter resu...
Page 8: ...perage Draw The 3 HP motor on the Model G0471 will draw the following amps G0471 Motor Draw 18 Amps Circuit Requirements Only connect your machine to a cir cuit that meets the requirements below Always check to see if the wires and circuit breaker in your circuit are capable of handling the amperage draw from your machine as well as any other machines that could be operating on the same cir cuit I...
Page 9: ...imum possible length for your needs Electrocution or fire could result if this machine is not grounded correctly or if your electrical con figuration does not comply with local and state codes Ensure compliance by check ing with a qualified electrician Grounding In the event of an electrical short ground ing reduces the risk of electric shock The grounding wire in the power cord must be properly c...
Page 10: ... freight claim can be difficult The following items are needed to com plete the set up process but are not included with your machine Description Qty Wrench or Socket 14mm 2 Wrench or Socket 17mm 2 Items Needed For Set Up This machine pres ents serious injury hazards to untrained users Read through this entire manual to become familiar with the controls and operations before starting the machine S...
Page 11: ...non proprietary parts are missing e g a nut or a washer we would be glad to replace them or for the sake of expediency replacements can be obtained at your local hardware store Assembly To assemble the air compressor 1 Remove all packing materials and any protective plastic bags zip tie labels or tags from the compressor 2 Insert the axle bolts into the wheels 3 Slide the axle bolts through the st...
Page 12: ...o the cylinder rings which deliver the compressed air Severe damage to the internal mov ing parts can occur if there is not adequate oil flow Check the oil level frequently and change the oil every 3 months Oil Breather Figure 5 Air compressor handle 5 Slide the handle into the sockets on the tank and secure with M8 1 25 x 45 hex bolts flat washers lock washers and hex nuts as shown in Figure 5 NO...
Page 13: ...needs of your particular compressor Place the compressor on a solid and level surface Make sure that the hoses attached to your pneumatic device are unrestricted in movement and not subject to being run over by vehicles or punctured by sharp objects Since air compressors are often used for a sustained period of time sometimes in restricted areas wear ear protection to avoid long term exposure to t...
Page 14: ...o start the air compressor 1 Place the compressor on a solid level surface with access to a properly fused power supply DO NOT oper ate the compressor in an environment where there are explosive flammable or caustic fumes or gases 2 Make sure the compressor switch is in the OFF position lever with red cap shown in Figure 7 before connecting to the power supply Figure 7 AUTO OFF lever 3 Double chec...
Page 15: ... Tool air control knob The air tool that you attach to the air com pressor should have a preferred PSI oper ating level Set the pressure to be deliv ered according to the pressure required by the tool To control the air supply to your tool 1 Adjust the air control knob shown in Figure 10 to set the PSI that will be delivered to your tool Turn the knob clockwise to increase the pressure or counterc...
Page 16: ...r air com pressor 1 Follow the compressor Starting instruc tions on Page 12 2 Connect the tool to a good quality air hose that is long enough to reach from the point of use to the compressor Note Be aware of the placement of the hose to prevent damage Make certain the air hose is not located where it can become constricted cut by a sharp object or run over Running over a hose with a vehicle may no...
Page 17: ...e hose then remove the air hose and the tool 5 Drain water from the tank as instructed in Draining Tank on Page 17 Leave the valve open until the next usage Note Draining the air from the tank will be extremely loud Wear ear protection when draining the tank 6 Store the air compressor in its normal operating position in a cool protected area Storage Water will condense in the air com pressor tank ...
Page 18: ...e sure the AUTO OFF lever is in the OFF position the compressor is unplugged and the air pressure has been bled out of the tank Operating this equipment has the potential to cause eye injury and hearing loss Always wear eye and ear protection when operating an air compressor Be certain the safety protection you wear meets the appro priate standards of the American National Standards Institute ANSI...
Page 19: ...ety valve is preset to release air if the tank exceeds its maxi mum pressure DO NOT try to adjust the safety valve pressure setting Some water may accumulate in the tank depending on usage and humidity Drain water from the tank daily to increase the lifespan of the compressor and air tools To drain the tank 1 Leave the tank pressurized and open the drain valve shown in Figure 13 to drain the water...
Page 20: ...Model G0471 3 HP Air Compressor 18 Maintenance Notes Date This page is for tracking oil changes and other maintenance proce dures to ensure that they are performed at the scheduled intervals ...
Page 21: ...wer line for proper voltage 4 Inspect all connections on motor for loose or shorted terminals or worn insula tion 5 Install correct fuses or cir cuit breakers 6 Replace the pressure switch Motor fails to develop full power output of motor decreases rapidly with decrease in volt age at motor terminals 1 Power line overloaded with lights appliances and other motors 2 Undersized wires or cir cuits to...
Page 22: ...ssure relief valve releasing below 120 PSI 6 Gaskets leaking 7 Worn rings 8 Pressure switch turns the motor OFF too soon 1 Check air tanks pipes and all connections for leaks see Page 22 2 Close drain valve 3 Inspect and clean air filter 4 Repair the check valve see Page 22 5 Replace pressure relief valve 6 Check gaskets on cylinder head assembly repair or replace as needed 7 Inspect and replace p...
Page 23: ...e oil in the air compressor pump after the initial 50 hours or 30 days of use and every 300 hours or 3 months after the first oil change Use compressor oil or ISO 100 SAE 30W non detergent type oil To change the oil 1 Unplug the air compressor and drain all the air from the tank 2 Place a container on the floor to catch the oil then tip the compressor so the cap screw shown in Figure 15 is over th...
Page 24: ... fix air leaking through a valve 1 Unplug the air compressor and drain all the air from the tank 2 Remove the valve clean it thoroughly then re install with teflon tape and or pipe dope 3 If the valve continues to leak replace it with a new valve Figure 18 Check valve diaphragm and spring Diaphragm O ring 3 Inspect the O ring and diaphragm Figure 18 for damage and dirt 4 Clean dirt off of the diap...
Page 25: ...beyond the proper PSI level To adjust the pressure switch 1 Unplug the air compressor from the power supply 2 Make sure the compressor switch is in the OFF position 3 Drain the pressure from the tank 4 Remove the black AUTO OFF switch cover Figure 19 by removing the screw in the recess of the cover Pull the black cover up and set it aside Figure 19 Pressure switch cover 6 Adjust the metal pressure...
Page 26: ...rive on your air compressor 1 Remove the belt guard The guard is attached to the compressor frame by the mounting bolts shown in Figure 21 2 Loosen the four nuts one side shown in Figure 22 that secure the motor to the compressor frame so the motor can slide towards crankcase relieving the tension on the V belt 3 Remove the V belt from the motor pul ley and fly pulley 4 Install the new V belt 5 Re...
Page 27: ...Model G0471 3 HP Air Compressor 25 Service Notes ...
Page 28: ...Model G0471 3 HP Air Compressor 26 G0471 Parts Breakdown ...
Page 29: ...P0471024 LOWER GASKET 68 P0471068 PULLEY 25 P0471025 CYLINDER 69 PK07M KEY 6 X 6 X 20 26 P0471026 UPPER GASKET 70 P0471070 MOTOR POWER CORD 27 P0471027 VALVE PLATE 71 P0471071 POWER CORD 28 PS55M PHLP HD SCR M3 5 X 10 72 PB08M HEX BOLT M6 1 X 20 29 PLW09M LOCK WASHER 3MM 73 PW03M FLAT WASHER 6MM 30 P0471030 INLET VALVE 74 PLW03M LOCK WASHER 6MM 31 P0471031 OUTLET VALVE 75 PN01M HEX NUT M6 1 32 P04...
Page 30: ...ies to persons or property or for incidental contingent special or consequential damages arising from the use of our products To take advantage of this warranty contact us by mail or phone and give us all the details We will then issue you a Return Authorization Number which must be clearly posted on the outside as well as the inside of the carton We will not accept any item back without this numb...
Page 31: ...___2 8 Years ____8 20 Years ____20 Years 6 How many of your machines or tools are Grizzly ____0 2 ____3 5 ____6 9 ____10 7 Do you think your machine represents a good value ____Yes ____No 8 Would you recommend Grizzly Industrial to a friend ____Yes ____No 9 Would you allow us to use your name as a reference for our customers in your area Note We never use names more than 3 times ____Yes ____No 10 ...
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