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Angle die grinder
Model 93088
Set up And OperA ting inStructiOnS
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
®
distributed exclusively by Harbor Freight t ools .
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
read this material before using this product.
Failure to do so can result in serious injury.
SAVe tHiS MAnuAl.
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SpeciFicA tiOnS Air Requirements 3 CFM Collet ¼” Maximum RPM 20,000 Working Air Pressure 90 PSI SAVe tHiS MAnuAl You will need the manual for the safety warnings and cautions, assembly instructions, operating procedures, maintenance procedures, trouble shooting, parts list, and diagram. Keep your invoice with this manual. Write the invoice number on the inside of the front cover. Keep both this manual and your invoice in a safe, dry place for future reference. SAFety w Arning & cAutiOnS WARNI
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9. dO nOt ABuSe tHe pOwer cOrd. Do not yank compressor’s cord to disconnect it from the receptacle. Do not carry tools by the cord. 10. dO nOt OVerreAcH. Keep proper footing and balance at all times. Do not reach over or across running machines. 11. MAint Ain t OOlS witH cAre. Keep tools sharp and clean for better and safer perfor- mance. Follow instructions for lubricating and changing accessories. Inspect compres- sor’s cord periodically and, if damaged, have them repaired by an authorized t
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20. wArning: Some dust created by power sanding, sawing, grinding, 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 and cement or other masonry products • Arsenic and chromium from chemically treated lumber Your risk from these exposures varies, depending on how often you do th
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(32) Figure 2 — Grinding Attachment 5. Insert the Shaft of the Grinding Attachment through the flared end of the COLLET as shown in Figure 2. ASSeMBly To complete assembly, you will need to purchase approved grinding attachments from Harbor Freight Tools. SKU 93088 For technical questions, please call 1-800-444-3353. Page 5
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Collet Nut (32) (44) Figure 3 — Wrench Placement 6. Place the small end of WRENCH (44) on the flats of the CHUCK CASING as shown in Figure 3. (44) (44) Collet Nut (32) Figure 4 — Tightening the Collet Nut 7. Place the large end of WRENCH (44) on the flats of the COLLET NUT and tighten as shown in Figure 4. SKU 93088 For technical questions, please call 1-800-444-3353. Page 6
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Air connection 1. You will need a Union fitting (sold separately) before you can connect your Die Grinder to an air compressor. 2. Attach the Union fitting to the HOSE ADAPTER (1) and tighten. 3. Attach an Air Coupler (sold separately) to the Union fitting if desired. This is a useful ac- cessory as it allows quick-coupling action when using a variety of tools with the same air compressor. 4. Your Die Grinder is ready for use. OperA tiOn Setup Frequent, but not excessive, lubrication is requi
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Use 1. Set the compressor’s pressure regulator to 90 PSI. Do not set the compressor’s outlet regulator over 90 PSI. 2. Connect the Die Grinder to the air compressor’s hose. If leaking is detected, disconnect the air hose and repair before use. WARNING! 3. Place the material you will be grinding into a vise or other- Wear protective gloves, wise clamp the object so that it will not move around when goggles, and a dust mask you use the Die Grinder. Make sure you still have unob- when opera
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MAintenAnce Your Die Grinder is best operated with an Airline Oiler. If you are using the Die Grinder without an Airline Oiler, follow the steps below for maintenance. 1. Disconnect the Die Grinder from the air hose. 2. Apply a few drops of pneuMA tic t OOl Oil through the HOSE ADAPTER (1) be- fore each use, or every hour if used con- tinuously. 3. Apply a few drops of oil to the LEVER (4) as shown in Figure 6. Work the LEVER a few times to lubricate. Hose Adapter (1) Lever (4) Figure 6 —
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PARTS LIST item description Q’ty item description Q’ty 1 Hose Adapter 1 27 Cap 1 2 O-Ring 1 28 Angle Housing 1 3 Spring 1 29 Spindle 1 4 Lever 1 30 Gear 1 5 Valve Pin 1 31 Collet 1 6 Housing 1 32 Collet Nut 1 7 Pin 1 33 Ball Bearing 1 8 Sealing Gasket 1 34 Ball Bearing 1 9 Ball Bearing 1 35 Collet Nut 1 10 Rear Plate 1 36 Exhaust Sleeve 1 11 Steel Ball 1 37 Valve Screw 1 12 Rotor 1 38 Lubricator 1 13 Rotor Blade 4 39 Pin 1 14 Cylinder 1 40 Spring 1 15 Bearing Spacer 1 41 Safety Lock 1 23 Front P
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ASSeMBly diAgrAM SKU 93088 For technical questions, please call 1-800-444-3353. Page 11
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liMited 90 dA y wArrAnty Harbor Freight Tools Co. makes every effort to assure that its products meet high qual- ity and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installat
