Hitachi DH 24PD2 Technical Data And Service Manual page 3

1. PRODUCT NAME ...........................................................................................................................1
2. MARKETING OBJECTIVE .............................................................................................................1
3. APPLICATIONS ..............................................................................................................................1
4. SELLING POINTS ..........................................................................................................................2
4-1. Selling Point Descriptions .............................................................................................................. 3
5. SPECIFICATIONS ..........................................................................................................................4
5-1. Specifications ................................................................................................................................. 4
5-2. Optional Accessories ..................................................................................................................... 5
6. COMPARISONS WITH SIMILAR PRODUCTS ............................................................................ 11
6-1. Specification Comparisons ........................................................................................................... 11
6-2. Dust Collection Efficiency Comparison ........................................................................................ 12
6-3. Drilling Speed Comparison .......................................................................................................... 13
7. PRECAUTIONS IN SALES PROMOTION ...................................................................................14
7-1. Handling Instructions ................................................................................................................... 14
7-2. Dust Collecting Equipment .......................................................................................................... 14
8. REFERENCE MATERIAL .............................................................................................................15
8-1. Lubrication ................................................................................................................................... 15
8-2. Dust Collection Mechanism ......................................................................................................... 15
8-3. Tool Structure ............................................................................................................................... 17
8-4. "Rotation Only" and "Rotation + Hammering" Changeover Mechanism ...................................... 20
8-5. "Rotation Only" (no hammering) .................................................................................................. 20
8-6. Drill Bits ........................................................................................................................................ 21
8-7. Chuck Section .............................................................................................................................. 22
8-8. Dust Collector (B) ........................................................................................................................ 22
9. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY ..........................................................24
9-1. Disassembly ................................................................................................................................ 24
9-2. Reassembly ................................................................................................................................. 28
9-3. Tightening Torque ........................................................................................................................ 29
9-4. Wiring Diagrams .......................................................................................................................... 30
9-5. Internal Wire Arrangement and Wiring Work ............................................................................... 31
9-6. Insulation Tests ............................................................................................................................ 33
9-7. No-load Current Values................................................................................................................ 33
10. STANDARD REPAIR TIME (UNIT) SCHEDULES .....................................................................34
Assembly Diagram for DH 24PD2
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