1、June 15,2001 1 SUBJECT 7700-2-2 OUTLINE OF INVESTIGATION FOR PORTABLE PNEUMATIC TOOLS; PART 2: PARTICULAR REQUIREMENTS FOR SCREWDRIVERS, RATCHETS AND IMPACT WRENCHES Issue Number: 1 JUNE 15,2001 COPYRIGHT O 2001 UNDERWRITERS LABORATORIES INC. 2 SUBJECT 7700-2-2 JUNE 15,2001 No Text on This Page JUNE
2、 15,2001 SUBJECT 7700-2-2 3 CONTENTS FOREWORD . .4 1 Scope . 2 Components . 5 3 Undated References . . 5 Glossary . 6 General Requirements . 7 General Notes on Tests . . 5 . 5 . 5 . .6 . . . . . .6 . .6 . .7 14 Mechanical Strength . 15 Construction 16 Noise Emission . . 17 Resistance to Corrosion .
3、18 Accessories and Attachments . 4 SUBJECT 7700-2-2 JUNE 15,2001 FOREWORD A. This Outline of Investigation contains basic requirements for products covered by Underwriters Laboratories Inc. (UL) under its Follow-Up Service for this category within the limitations given below and in the Scope section
4、 of this Outline of Investigation. They are subject to revision as further experience and investigation may show is necessary or desirable. B. The observance of these requirements by a manufacturer is one of the conditions of the continued coverage of the manufacturers product. C. A product which co
5、mplies with the text of this Outline of Investigation will not necessarily be judged to comply with the Outline of Investigation if, when examined and tested, it is found to have other features which impair the level of safety contemplated by these requirements. D. A product employing materials or h
6、aving forms of construction which conflict with specific requirements of the Outline of Investigation cannot be judged to comply with the Outline of Investigation. A product employing materials or having forms of construction not addressed by this Outline of Investigation may be examined and tested
7、according to the intent of the requirements and, if found to meet the intent of this Outline of Investigation, may be judged to comply with the Outline of Investigation. E. UL, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility
8、 of the manufacturer or any other party. The opinions and findings of UL represent its professional judgement given with due consideration to the necessary limitations of practical operation and state of the art at the time the Outline of Investigation is processed. UL shall not be responsible to an
9、yone for the use of or reliance upon this Outline of Investigation by anyone. UL shall not incur any obligation or liability for damages, including consequential damages, arising out of or in connection with the use, interpretation of, or reliance upon this Outline of Investigation. F. Many tests re
10、quired by the Outline of Investigations of UL are inherently hazardous and adequate safeguards for personnel and property shall be employed in conducting such tests. JUNE 15,2001 SUBJECT 7700-2-2 5 1 Scope This Section of Part 1 is applicable except as follows: Modify 1. I as follows: The term ”tool
11、s” is replaced with ”screwdrivers, ratchets and impact wrenches.” 2 Components This Section of Part 1 is applicable. 3 Undated References This Section of Part 1 is applicable. 4 Units of Measurement This Section of Part 1 is applicable. 5 Glossary This Section of Part 1 is applicable. 6 General Requ
12、irements This Section of Part 1 is applicable. 7 General Notes on Tests This Section of Part 1 is applicable. 8 Marking This Section of Part 1 is applicable except as follows: 8.1 Item (e) is not applicable. 8.1 Item (j), Add the following: Note: Applies only to screwdrivers. SUBJECT 7700-2-2 JUNE 1
13、5,2001 6 9 Instructions This Section of Part 1 is applicable except as follows: 9.2.3 Under Personal Safety, Items (i), (j) and (k), Add the following: Note: Applies only to screwdrivers. 10 Electrical Circuits This Section of Part 1 is applicable. 11 Rotating Output This Section of Part 1 is applic
14、able. 12 Surface Temperatures This Section of Part 1 is applicable. 13 Accessibility of Moving Parts This Section of Part 1 is applicable. 14 Mechanical Strength This Section of Part 1 is applicable. 15 Construction This Section of Part 1 is applicable except as follows: 15.14 Add the following: Not
15、e: Applies only to screwdrivers. Add paragraphs: 15.101 A control device for angle type ratchets and wrenches shall be located in such a manner that the control device will not tend to be retained in the “on“ position by reaction torque. 15.102 A tool shall be provided with a means to positively engage the accessories. JUNE 15. 2001 SUBJECT 7700-2-2 7 16 Noise Emission This Section of Part 1 is applicable. 17 Resistance to Corrosion This Section of Part 1 is applicable. 18 Accessories and Attachments This Section of Part 1 is applicable. a SUBJECT 7700-2-2 JUNE 15,2001 No Text on This Page
