Table Of Contents - Hitachi DH 40MR Technical And Service Manual

Handling instructions manual (116 pages)

Instruction and safety manual (64 pages)

Instruction manual (20 pages)

Table of Contents

1. PRODUCT NAME ...........................................................................................................................1

2. MARKETING OBJECTIVE .............................................................................................................1

3. APPLICATIONS ..............................................................................................................................1

4. SELLING POINTS ..........................................................................................................................1

4-1. Selling Point Descriptions .............................................................................................................. 2

5. SPECIFICATIONS ..........................................................................................................................3

5-1. Specifications ................................................................................................................................. 3

5-2. Optional Accessories ..................................................................................................................... 4

6. COMPARISONS WITH SIMILAR PRODUCTS ..............................................................................8

6-1. Specification Comparisons ............................................................................................................ 8

6-2. Drilling Speed Comparisons .......................................................................................................... 9

6-3. Chiseling Performance Comparison ............................................................................................ 10

6-4. Comparison of Drilling Speed Change by Pushing Force ........................................................... 10

6-5. Drilling Speed and Quantity of Body Jumping .............................................................................. 11

7. PRECAUTIONS IN SALES PROMOTION ................................................................................... 11

7-1. Handling Instructions .................................................................................................................... 11

7-2. Caution Plate ............................................................................................................................... 12

8. REFERENCE INFORMATION ......................................................................................................12

8-1. Grease Replacement ................................................................................................................... 12

8-2. O-Ring Replacement ................................................................................................................... 12

8-3. Structure of DH 40MR Rotary Hammer ....................................................................................... 13

9. REPAIR GUIDE ............................................................................................................................18

9-1. Disassembly ................................................................................................................................ 18

9-2. Reassembly ................................................................................................................................. 20

9-3. Screw Locking Agent TB1401 ...................................................................................................... 23

9-4. Tightening Torque ........................................................................................................................ 23

9-5. Internal Wiring .............................................................................................................................. 24

9-6. Insulation Tests ............................................................................................................................ 25

9-7. No-load Current Value ................................................................................................................. 25

10. STANDARD REPAIR TIME (UNIT) SCHEDULES .....................................................................26

Assembly Diagram for DH 40MR

CONTENTS

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