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Harbor Freight Tools 94944 manual

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Table of contents for the manual

  • Page 1

    R O T AR Y HAMMER Model 94944 ASSEMBL Y AND OPERA TING INSTRUCTIONS Distrib uted Exc lusively b y Harbor Freight T ools ® . 3491 Mission Oaks Blvd., Camarillo , CA 93011 Visit our W eb site at http://www .harborfreight.com T O PREVENT SERIOUS INJUR Y , READ AND UNDERST AND ALL W ARNINGS AND INSTR UCTIONS BEFORE USE. Cop yright © 2006 b y Harbor F[...]

  • Page 2

    SKU 94944 P A GE 2 PR ODUCT SPECIFICA TIONS SA VE THIS MANU AL Y ou will need this manual for the safety warnings and precautions, ass embly , ope rat ing , in spe cti on, main te nan ce and clea nin g p roced ure s, parts list and assemb ly diagram. Keep y our in v oice with this man ual. Write the in v oice number on the inside of the front cover[...]

  • Page 3

    SKU 94944 P A GE 3 2. Do not operat e power tools in e xp losi ve atmos pher es, su ch as in the presenc e of flammable liquids, gases, or dust. P ower tools create sparks which ma y ignite the dust or fumes. 3. Keep bystander s, children, and visitor s awa y while operating a power tool. Distractions can cause you to lose control. Protect others [...]

  • Page 4

    SKU 94944 P A GE 4 11. Dress properl y . Do not wear loose c lothing or jewelry . Contain long hair . Keep y our hair , c lothing, and glo ves away fr om mo ving parts. Loose clothes, jew elr y , or long hair can be caught in moving par ts. 12. A void accidental star ting. Be sure the P ower Switch is off before plugging in. Carr ying power tools w[...]

  • Page 5

    SKU 94944 P A GE 5 W ARNING! Improperl y connecting the gr ounding wire can result in the risk of electric shock. Check with a qualified electrician if y ou are in doubt as to whether the outlet is properl y gr ounded. Do not modify the power cor d plug pro vided with the tool. Never remove the gr ounding pr ong fr om the plug. Do not use the tool[...]

  • Page 6

    SKU 94944 P A GE 6 FIGURE A DOUBLE INSULA TED T OOLS: T OOLS WITH TWO PR ONG PLUGS 4. T ools marked “Doub le Insulated” do not require grounding. They ha v e a special double insulation system which satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories, Inc., the Canadian Standard Association, and [...]

  • Page 7

    SKU 94944 P A GE 7 EXTENSION CORDS 1. Grounded tools require a three wire e xtension cord. Double Insulated tools can use either a two or three wire e xtension cord. 2. As the distance from the supply outlet increases, y ou m ust use a heavier gauge e xtension cord. Using e xtension cords with inadequately siz ed wire causes a serious drop in volta[...]

  • Page 8

    SKU 94944 P A GE 8 SYMBOLOGY V ~ A xxxx/min. Double Insulated Canadian Standards Association Underwriters Laboratories, Inc. V olts Alternating Current Amperes No Load Rev olutions per Minute (RPM) no SPECIFIC SAFETY R ULES 1. Maintain labels and nameplates on the Rotary Hammer . These carr y impor tant inf or mation. If unreadab le or missing, con[...]

  • Page 9

    SKU 94944 P A GE 9 UNP A CKING When unpacking, check to make s ure all par ts shown on the Parts Lists and Assembl y Diagrams on pages 15-17 are included. If any par ts are missing or brok en, please call Harbor F reight T ools at the number sho wn on the cov er of this manual as soon as possible . 6. W ARNIN G! P eople with pacemak ers should cons[...]

  • Page 10

    SKU 94944 P A GE 10 Side Handle (74) ASSEMBL Y INSTRUCTIONS Note: T urn to pa ges 16-18 to assist you in identifying the parts mentioned in the assembl y , operating instructions and troub leshooting sections of this manual. The Rotar y Hammer comes fully assembled. There is a Side Handle (74) that must be attached as needed. There are two places o[...]

  • Page 11

    SKU 94944 P A GE 11 How to turn on the Rotary Hammer 1. T o tur n on the Rotar y Hammer squeeze the Switch (107) shown belo w in Figure 3. There is a latch on the upper par t of the s witch that loc ks the s witch on. How to attac h the chisels W ARNING: Always make sure this tool is not plug ged in before c hanging the bits. 1. Slide the Bits into[...]

  • Page 12

    SKU 94944 P A GE 12 W ARNING: Alwa ys wear ANSI-approv ed impact safety goggles. W ear a full f ace shield if you are producing metal filings or wood chips. W ear an ANSI-approv ed dust mask or respirator when working around metal, wood, and chemical dusts and mists. Alwa ys wear ear protection. Ear protection is required f or an y other persons i[...]

  • Page 13

    SKU 94944 P A GE 13 Breaking up concrete 1. Place the bit on the center of a piece of concrete. 2. Grasp the handles fir mly with both hands. When you are sure that no people or animals are in the vicinity , and it’ s saf e to begin, depress the Switch (107). 3. As you break the concrete into big chunks, release the Switch (107) and mov e to oth[...]

  • Page 14

    SKU 94944 P A GE 14 Replacing the Carbon Brushes (105) Replacing the Carbon Brushes (105) NO TE: The Rotar y Hammer Has a red LED located on the handle that will light up when the Carbon Brushes (105) are wor n down and need to be replaced. See Figure 5 belo w . T o replace the Carbon Brushes (105) you must first remo v e the f our scre ws that at[...]

  • Page 15

    SKU 94944 P A GE 15 Prob lem Cause Action Motor doesn’t rotate when s witched on. Disrupted power P oor switch contact W orn carbon br ushes Check po w er supply Hav e switch repaired Replace brushes Ov erheated gearbo x Dull Drill Bit Excessiv e use Gears need grease Replace or shar pen the Drill Bit Allow tool to cool do wn Add grease to the ge[...]

  • Page 16

    SKU 94944 P A GE 16 P ARTS LIST P art Description Qty 1 Screw M8X35 4 2 Spring W asher Ø8 4 3 Pin 4X17 1 4 W asher 18X12X1 2 5 Spring Seat 1 6 Ring 1 7 Spring 1 8 Collar 1 9 Oil Seal 1 10 O-ring 2 11 O-ring 2 12 Steel pole 4 13 Retainer Slee v e 1 14 Clip Ring 1 15 Clip Ring 68 1 16 Oil Bearing 1 17 Oil Bearing baffle 1 18 Orientation steel Ring [...]

  • Page 17

    SKU 94944 P A GE 17 P ARTS LIST CONTINUED P art Description Qty 69 F an Guide 1 70 Rotor 1 71 Respond Washer 1 72 Stator 1 73 Special Nut 2 74 Side Handle 1 75 Adjust Stalk 1 76 T ail Cov er 1 77 W asher 5 7 78 Spring W asher 5 7 79 Screw M5X16 7 80 Screw M8X170 1 81 Side Handle holder 2 82 Clamp 1 83 D Side Handle 1 84 Special Nut 1 85 Six Nut M8 [...]

  • Page 18

    SKU 94944 P A GE 18 ASSEMBL Y DIA GRAM[...]

  • Page 19

    SKU 94944 P A GE 19 W ARRANTY Harbor Freight T ools Co . mak es e v ery eff or t to assure that its products meet high quality and durability standards, and warrants to the or iginal purchaser that this product is free from def ects in materials and workmanship for the per iod of ninety days from the date of purchase. This warranty does not apply t[...]