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Grizzly H3372 - page 1
COPYRIGHT © APRIL, 2003 BY 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. PRINTED IN CHINA ONLINE MANUAL DISCLAIMER THE INFORMATION IN THIS MANUAL REPRESENTS THE CONFIGURATION OF THE MACHINE AS IT IS CURRENTLY BEING SHIPPED. THE MACHINE CON ...
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Grizzly H3372 - page 2
WARNING Some dust created by power sanding, sawing, grind- ing, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • Lead from lead-based paints. • Crystalline silica from bricks, cement, and other masonr ...
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Grizzly H3372 - page 3
H3372 3 HP Air Compressor For Your Own Safety Read Instruction Manual Before Operating This Equipment Indicates an imminently hazardous situation which, if not avoided, WILL result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, MAY result in minor or moderate injury. It may also be used to alert again ...
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Grizzly H3372 - page 4
H3372 3 HP Air Compressor 10. 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. 11. WEAR PROPER APPAREL. DO NOT wear loose clothing, gloves, neckties, rings, bracelets, or other jewelry which may get caught in moving parts. Non-slip footwear is recommended. Wear ...
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Grizzly H3372 - page 5
H3372 3 HP Air Compressor 1. READ THIS ENTIRE MANUAL BEFORE OPERATING THE COMPRESSOR. 2. OPERATE THE COMPRESSOR IN A WELL VENTILATED AREA free of acids, vapor, explosive gases and flammable or unstable materials . 3. DO NOT PULL ON THE GAUGES OR REGULATORS TO MOVE THE COMPRESSOR! 4. DO NOT USE THE COMPRESSOR FOR FILLING BREATHING OR DIV- ING APPARA ...
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Grizzly H3372 - page 6
H3372 3 HP Air Compressor -4 - INTRODUCTION AND SET UP If you have any comments regarding this manual, please write to us at the following address: Grizzly Industrial, Inc. C / O Technical Documentation P.O. Box 2069 Bellingham, WA 98227-2069 Most important, we stand behind our tools. If you have any service questions or parts requests, please call ...
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Grizzly H3372 - page 7
H3372 3 HP Air Compressor -5 - The Model H3372 represents a heavy load at 142 pounds. Seek assistance before moving. This air compressor is shipped from the manufacturer in a carefully packed carton. If you discover the machine is damaged after you have signed for delivery, and the truck and driver are gone, you will need to file a freight claim wi ...
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Grizzly H3372 - page 8
H3372 3 HP Air Compressor -6 - CIRCUIT REQUIREMENTS Wiring: The Model H3372 3 HP Air Compressor is wired for 220V operation. Amperage Draw The Model H3372 has a 3 HP motor and draws the following amperage. H3372 Motor.................................18 Amps Circuit Breaker Requirements Install your air compressor on a dedicated circuit to reduce th ...
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Grizzly H3372 - page 9
H3372 3 HP Air Compressor -7 - PREPARING FOR USE Before using your Grizzly Air Compressor, follow these steps : 1. Remove all packing materials and any protective plastic bags, zip-tie labels or tags from the compressor cylinder head or oil plug. 2. Be sure the air filter is attached to the cylinder head as shown in Figure 2 . Figure 3. Proper oil ...
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Grizzly H3372 - page 10
H3372 3 HP Air Compressor -8 - STARTING To start the air compressor: 1. Make sure the compressor switch is in the OFF position (knob with red cap above pressure gauges shown in Figure 4 pressed down) before connecting the power supply. Figure 4. ON/OFF button. Check the pressure gauge to see that the tank pressure climbs to approximately 100- 115 P ...
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Grizzly H3372 - page 11
H3372 3 HP Air Compressor -9 - To control the air delivery to your tool: 1. Adjust the air control knob, shown in Figure 7 , to set the PSI that will be delivered to your tool. Turn the knob clockwise to increase the pressure and counter-clockwise to decrease the pressure. Figure 7 . Air control knob. Figure 6 . Pressure gauges. The tank pressure i ...
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Grizzly H3372 - page 12
H3372 3 HP Air Compressor -10 - The pressure regulator has been factory set for the highest quality operating perfor- mance. The pressure regulator adjusts the desired PSI range where the air compressor kicks in and out to keep the tank pressurized for the best operating performance. Tank Pressure Regulator Figure 9. Pressure Regulator. To adjust t ...
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Grizzly H3372 - page 13
H3372 3 HP Air Compressor -11 - To connect air tools to your air com- pressor: 1. Make sure the compressor model you use has a sufficient cubic feet per minute (CFM) output for the air tool you plan to connect. (Most air tools will have an air requirement stated in terms of a specific CFM at a specific pressure.) 2. The compressor should put out a ...
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Grizzly H3372 - page 14
H3372 3 HP Air Compressor -12 - 3 . Clean off cylinder head cooling fins of any dirt which might hamper air flow. 4. Check for worn or damaged cords and plugs. 5. Check the air pressure in the tires when transporting the air compressor. 6. Check for any other condition that could hamper the safe operation of this machine. MAINTENANCE Before Each Us ...
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Grizzly H3372 - page 15
H3372 3 HP Air Compressor -13 - Changing V-belt Make sure the V-belt is properly ten- sioned. If the V-belt is too tight, the motor could overheat and cause machine damage or fire. If the V-belt is too loose, the belt will slip on the pulley and cause belt damage and compressor inefficiency. Figure 11 . Belt Guard and mounting bolts. Figure 12 . Mo ...
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Grizzly H3372 - page 16
H3372 3 HP Air Compressor -14 - If the compressor is used on a daily basis, perform the following checks each week: • Rinse the air filter foam element in water. • Check for loose bolts or fittings. Weekly Like all power tools, there is danger associated with operating this equipment. Accidents are frequently caused by lack of familiarity or fa ...
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Grizzly H3372 - page 17
H3372 3 HP Air Compressor -15 - After every 300 hours or 3 months of regular operation, perform the following maintenance items: • Change the compressor motor oil. Use compressor oil or a non-deter- gent 30 weight oil. • Rinse the air filter foam element in water. • Check for air leaks and correct as needed. • Clean the cylinder head fins f ...
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Grizzly H3372 - page 18
-16 - H3372 3 HP Air Compressor TROUBLESHOOTING Pump motor will not start. Pump motor starts; but fuses blow or circuit break- ers trip. Low pressure at the tool. Low pressure at the tanks. Compressor knocking. 1. Check power line for proper voltage. 2. Inspect all lead connections on motor, switch and cord for loose or open connec- tions. 3. Motor ...
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Grizzly H3372 - page 19
H3372 3 HP Air Compressor -17- Motor runs hot. Pressure relief valve stays open and motor won’t stop running. Air leaks from pressure switch. Air is dirty or has excessive moisture. 1. Clean cylinder fins and motor area. 2. Inspect and clean air filter. 3. Do not allow the compressor to run over its recommended duty cycle. 1. Turn compressor off, ...
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Grizzly H3372 - page 20
H3372 3 HP Air Compressor -18 - 90 93 95 96 82 89 70 65 71 62 81 68 69 67 42 41 79 76 50 47 48 10 43 65 72 74 73 86 83 84 55 45 63 64 17 65 54 53 52 58 16 15 9 8 13 14 39 12 56 60 59 28 29 80 38 27 3 24 25 26 30 4 2 11 7 6 5 18 34 31 32 33 22 20 19 37 21 23 35 36 1 9 29 40 44 46 49 51 57 61 63 63 64 64 65 66 66 75 77 78 63 63 85 87 88 91 92 94 Mode ...
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Grizzly H3372 - page 21
H3372 3 HP Air Compressor -19 - 1 PH3372001 CRANK 2 P6202 BEARING 6202 3 PH3372003 CONNECTING ROD 4 PH3372004 ROD BEARING 5 PSB29M CAP SCREW M6-1 X 40 6 PLW03M LOCK WASHER 6MM 7 PN01M HEX NUT M6-1.0 8 PH3372008 CRANKCASE 9 PH3372009 GASKET 10 PH3372010 CRANK CASE FRONT COVER 11 PH3372011 OIL SEAL B25 X 47 X 7 12 PH3372012 REAR COVER 13 PW01M FLAT W ...
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Grizzly H3372 - page 22
H3372 3 HP Air Compressor -20 - 40 PH3372040 O-RING 41 PH3372041 PULLEY 42 PH3372042 GASKET 8MM 43 PLW04M LOCK WASHER 8MM 44 PB20M HEX BOLT M8-1.25 X 35 45 PH3372045 CHECK VALVE 46 PH3372046 ELBOW 1 ⁄ 8 MPT X 1 ⁄ 16 MPT 47 PH3372047 DISCHARGE PIPE 12MM 48 PH3372048 COOLER 49 PH3372049 COMPRESSION NUT 3 ⁄ 8 FPT 50 PH3370062 FLARE CONNECTOR ID1 ...
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Grizzly H3372 - page 23
H3372 3 HP Air Compressor -21 - 79 PH3372079 BELT A1143 80 PH3372080 HANDLE 81 PB21M HEX BOLT M8-1.25 X 42 82 PH3370070 DRAIN VALVE 14MM 83 PB09M HEX BOLT M8-1.25 X 20 84 PH3372084 CUSHION FOOT 85 PB80M HEX BOLT M16-2.0 X 55 86 PH3372086 PNEUMATIC TIRE 8.5" 87 PW08M FLAT WASHER 16MM 88 PN13M HEX NUT M16-2.0 89 PH3372089 FORK TERMINAL #10 90 PH ...
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Grizzly H3372 - page 24
H3372 3 HP Air Compressor -22 - Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of main- tenance. This is Grizzly’s sole wri ...
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Grizzly H3372 - page 25
Name __________________________________________________________ Street __________________________________________________________ City ____________________ State ________ Zip _________ Phone Number ____________ E-Mail ___________________ FAX ____________ Model # _______________Serial#________________ Order # ______________ The following information ...
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Grizzly H3372 - page 26
FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 TAPE ALONG EDGES--PLEASE DO NOT NAIL Name________________________________ Street________________________________ City______________State______Zip_______ Send a Grizzly Catalog to a friend: Place Stamp Here ...
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