Chicago Electric 94944 Assembly And Operating Instructions Manual Download

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ROTARY HAMMER

Model 94944

ASSEMBLY AND OPERATING INSTRUCTIONS

Distributed Exclusively by Harbor Freight Tools

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at http://www.harborfreight.com

TO PREVENT SERIOUS INjURY,

READ AND UNDERSTAND ALL WARNINGS

AND INSTRUCTIONS BEFORE USE.

2006 by Harbor Freight Tools

manual or any artwork contained herein may be reproduced in any shape or form without
the express written consent of Harbor Freight Tools.

For technical questions please call 1-800-444-3353.

Summary of Contents for 94944

Page 1: ...p www harborfreight com To prevent serious injury Read and understand all warnings and instructions before use Copyright 2006 by Harbor Freight Tools All rights reserved No portion of this manual or a...

Page 2: ...ry SAVE THESE INSTRUCTIONS WORK AREA 1 Keep your work area clean and well lit Cluttered benches and dark areas invite accidents ITEM DESCRIPTION Electrical Requirement 120 Volt 60 Hz 16 Amps running I...

Page 3: ...the outlet reverse the plug If it still does not fit contact a qualified electrician to install a polarized outlet Do not change the plug in any way Double insulation eliminates the need for the thre...

Page 4: ...id safety shoes and a hard hat must be used for appropriate conditions TOOL USE AND CARE 16 Do not use the power tool if the Power Switch does not turn it on or off Any tool that cannot be controlled...

Page 5: ...ty away from the user reducing the risk of electric shock See Figure A next page 2 The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the to...

Page 6: ...ial double insulation system which satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories Inc the Canadian Standard Association and the National Electrical...

Page 7: ...cord for more than one tool add the nameplate amperes and use the sum to determine the required minimum cord size See Figure C and Figure D 6 If you are using an extension cord outdoors make sure it...

Page 8: ...rom its electrical outlet before performing any service maintenance or cleaning such as leaving the work area moving the tool from one location to another changing chisels cleaning dirt off the unit e...

Page 9: ...doctor and then have regular medical check ups to ensure medical problems are not being caused or worsened from use Pregnant women or people who have impaired blood circulation to the hand past hand...

Page 10: ...ructions and troubleshooting sections of this manual The Rotary Hammer comes fully assembled There is a Side Handle 74 that must be attached as needed There are two places on the Rotary Hammer that wi...

Page 11: ...bits 1 Slide the Bits into the Rotary Hammer with the flat cut out side facing the Rod 19 as shown in Figure 2 2 Pull out the Rod 19 while you insert the Bit See Figure 1 The two bits both have a flat...

Page 12: ...beginning of each use This warmup period lasts approximately 3 5 minutes This happens because the grease inside the tool may be somewhat thick preventing the tool from operating at full efficiency wh...

Page 13: ...you inset the Auger bit the Rotary Hammer will automatically convert into a rotary hammer The Auger bit will rotate and hammer at the same time 1 Place the bit on the center of a piece of concrete 2 G...

Page 14: ...House 104 After both Carbon Brushes 105 are inserted attach the Carbon Brush connector the Left Tail Cover 96 and the Right Tail Cover 91 See Figure 5 below Left Tail Cover Left LED Light INSPECTION...

Page 15: ...changing or cleaning the carbon brushes all other internal repairs should be done by a qualified service technician TROUBLESHOOTING How to add grease to the gears Every 100 hours of use it is recommen...

Page 16: ...1 Ram 1 32 O ring 40x5 2 33 Piston pin 1 34 Piston 1 Part Description Qty 35 Connecting Rod 1 36 Needle Bearing NK121918 1 37 Screw M5x25 4 38 Spring Washer 5 6 39 Washer 5 6 40 Crank Case Cover 1 41...

Page 17: ...91 Right Tail Cover 1 92 Ball Bearing 6000 1 93 Ball Bearing Set 1 94 Housing 1 95 Screw ST4X14 8 96 Left Tail Cover 1 97 Stretch forward 1 98 Stretch forward Clip 1 99 Screw ST4X10 1 100 Speed Contro...

Page 18: ...SKU 94944 PAGE 18 ASSEMBLY DIAGRAM...

Page 19: ...ies the defect we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement We will return...