Table Of Contents - Hitachi NR 90AC3 Technical Data And Service Manual

1. PRODUCT NAME .............................................................................................................................. 1
2. MARKETING OBJECTIVE ................................................................................................................ 1
3. APPLICATIONS ................................................................................................................................. 1
4. SELLING POINTS ............................................................................................................................. 1
5. SPECIFICATIONS ............................................................................................................................. 2
5-1. Specifications ......................................................................................................................................2
5-2. Explanation of the Nailing Action ........................................................................................................3
5-3. Nail Selection ......................................................................................................................................4
5-4. Nail Driving Force ...............................................................................................................................4
5-5. Optional Accessories ..........................................................................................................................5
6. COMPARISONS WITH SIMILAR PRODUCTS ................................................................................. 6
7. PRECAUTIONS IN SALES PROMOTION ........................................................................................ 7
7-1. Handling Instructions ..........................................................................................................................7
7-2. Warning Label .....................................................................................................................................7
7-3. Related Laws and Regulations ...........................................................................................................8
8. MECHANISM AND OPERATION PRINCIPLE .................................................................................. 9
8-1. Mechanism .........................................................................................................................................9
8-2. Interchangeability ..............................................................................................................................10
8-3. Operation Principle ...........................................................................................................................12
9. TROUBLESHOOTING GUIDE ........................................................................................................ 15
9-1. Troubleshooting and Correction ........................................................................................................15
9-2. Possible Causes and Correction of Air Leakage .............................................................................. 18
10. DISASSEMBLY AND REASSEMBLY ........................................................................................... 20
10-1. General Precautions in Disassembly and Reassembly .................................................................. 20
10-2. Disassembly and Reassembly of the Output Section ..................................................................... 21
10-3. Disassembly and Reassembly of the Control Valve Section .......................................................... 23
10-4. Disassembly and Reassembly of the Driving Section .................................................................... 26
10-5. Disassembly and Reassembly of the Cap and the Magazine Section ........................................... 27
11. INSPECTION AND CONFIRMATION AFTER REASSEMBLY ..................................................... 30
12. STANDARD REPAIR TIME (UNIT) SCHEDULES ........................................................................ 31
Assembly Diagram for NR 90AC3
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