Instruction/ maintenance manual of the product 30304 Harbor Freight Tools
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4" AIR ANGLE GRINDER ASSEMBL Y and OPERA TING INSTRUCTIONS 3491 Mission Oaks Blvd. / Camarillo, CA 9301 1 Copyright © 1997 by Harbor Freight T ools ® . All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight T ools.
SPECIFICA TIONS Air Pressure 90 PSI Air Consumption 6 CFM Air Inlet 1/4" NPT Grinding Wheel 24 Grit, 4" x 1/8" SA VE THIS MANUAL Y ou will need the manual for the safety warnings and cautions, assembly instructions, operating procedures, maintenance procedures, trouble shooting, parts list, and diagram.
12. REMOVE ADJUSTING KEYS AND WRENCHES. Make it a habit to check that keys and adjusting wrenches are removed from the tool or machine work surface before plugging it in. 13. A VOID UNINTENTIONAL ST AR TING. Do not carry any tool with your finger on the trigger , whether it is connected to the compressor or not.
ASSEMBL Y Step 1: Thread the HANDLE (#47) into the side of the Angle Grinder as shown in Figure 1. T ighten. Angle Gr inder Assembly Handle (#47) Figure 1 — Handle Assembly Step 2: Remove the FLANGE NUT (#46) from the ARBOR (#4). Page #4 -- SKU: 30304 W arning: There are certain applications for which this tool was designed.
Step 3: Place the GRINDING WHEEL (#45) onto the ARBOR with the Label side of the GRINDING WHEEL against the FLANGE (#43) as shown in Figure 2. Angle Gr inder Assemb ly Flan ge (#43) Grind ing Wheel ( .
Step 4: Thread the FLANGE NUT (#46) onto the ARBOR. T ighten by hand. Step 5: Place the WRENCH (#48) onto the flats of the ARBOR. Y ou may have to turn the ARBOR slightly to fit the WRENCH on. Step 6: Insert the prongs of the WRENCH (#49) into the two holes in the FLANGE NUT as shown in Figure 3.
Step 7: Hold the flat WRENCH (#48) while tightening the angled WRENCH (#49) to tighten the Flange Nut as shown in Figure 4. W rench (#48 ) Grin ding Wheel ( #45) W rench (#49 ) Figure 4 — Tightening the Flange Nut Step 8: Remove the WRENCHES.
drops of oil at a time are necessary . T oo much oil will collect inside the tool and be blown out during the exhaust cycle. ONL Y USE PNEUMA TIC TOOL OIL. Do not use detergent oil or additives as these lubricants will cause accelerated wear to the seals in the tool.
Step 6: T o operate the Angle Grinder , press the THROTTLE LEVER LOCK (#61) forward while depressing the THROTTLE LEVER (#59) as shown in Figure 6. Throttl e Lever ( #59) Th rottle Lev er Lock (#61) Figure 6 — Operating the Angle Grinder Step 7: Place the spinning GRINDING WHEEL (#45) onto the material to be ground.
Step 3: Apply a few drops of oil to the THROTTLE LEVER (#59) as shown in Figure 7. Work the THROTTLE LEVER a few times to lubricate. Throttl e Lever ( #59) Th rottle Lev er Lock (#61) Air In let Figure 7 — Lubrication Points Periodically check the condition of the GRINDING WHEEL (#45).
P ARTS LIST Item# Description Qt y Item# Description Qt y 1 Motor Housing 1 29 Bevel Pinion 1 2 Seal Plate 1 3 0 O-Ring 1 3 Ball Bearing 1 39 Exhaust Deflector 1 4 Arbor 1 40 T apping Screw 2 5 Ball B.
ASSEMBL Y DIAGRAM Page #12 -- SKU: 30304.
An important point after buying a device Harbor Freight Tools 30304 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Harbor Freight Tools 30304 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Harbor Freight Tools 30304 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Harbor Freight Tools 30304 you will learn all the available features of the product, as well as information on its operation. The information that you get Harbor Freight Tools 30304 will certainly help you make a decision on the purchase.
If you already are a holder of Harbor Freight Tools 30304, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Harbor Freight Tools 30304.
However, one of the most important roles played by the user manual is to help in solving problems with Harbor Freight Tools 30304. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Harbor Freight Tools 30304 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
