Table Of Contents - Hitachi DH 22PB Technical Data And Service Manual

1. PRODUCT NAME .............................................................................................................................. 1
2. MARKETING OBJECTIVE ................................................................................................................ 1
3. APPLICATIONS ................................................................................................................................. 1
4. SELLING POINTS ............................................................................................................................. 2
4-1. Selling Point Descriptions ................................................................................................................... 2
5. SPECIFICATIONS ............................................................................................................................. 3
5-1. Specifications ...................................................................................................................................... 3
5-2. Optional Accessories .......................................................................................................................... 4
6. COMPARISONS WITH SIMILAR PRODUCTS ................................................................................. 9
6-1. Specification Comparisons ................................................................................................................. 9
6-2. Drilling Speed Comparison ............................................................................................................... 10
7. PRECAUTIONS IN SALES PROMOTION ....................................................................................... 11
7-1. Handling Instructions ........................................................................................................................ 11
7-2. Caution Plate .................................................................................................................................... 11
8. REFERENCE MATERIAL ................................................................................................................ 12
8-1. Lubrication ........................................................................................................................................ 12
8-2. Tool Structure .................................................................................................................................... 12
8-3. "Rotation Only" and "Rotation + Hammering" Changeover Mechanism ........................................... 16
8-4. "Rotation Only" (no hammering) ....................................................................................................... 16
8-5. Drill Bits ............................................................................................................................................. 17
8-6. Chuck Section ................................................................................................................................... 18
8-7. Dust Collector (B) ............................................................................................................................. 18
9. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY ............................................................. 20
9-1. Disassembly ..................................................................................................................................... 20
9-2. Reassembly ...................................................................................................................................... 22
9-3. Tightening Torque ............................................................................................................................. 23
9-4. Wiring Diagrams ............................................................................................................................... 24
9-5. Internal Wire Arrangement and Wiring Work .................................................................................... 25
9-6. Insulation Tests ................................................................................................................................. 27
9-7. No-load Current Values ..................................................................................................................... 27
10. STANDARD REPAIR TIME (UNIT) SCHEDULES ........................................................................ 28
Assembly Diagram for DH 22PB
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