Table of Contents
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- 1 Troubleshooting and Corrective Action
- 2 Corrective Action When the Orange Led Blinks
- 3 Maintenance Mode
- 4 Resetting Error Mode (When the Orange Led Is Blinking)
- 5 Precautions on Disassembly and Reassembly
- 6 Disassembly and Reassembly of the Magazine Section
- 7 Replacement of the Piston Ass'y
- 8 Feeding Compressed Air
- Download this manual
PRODUCT NAME
Hitachi 18 V Cordless Strip Nailer
NR 1890DC NR 1890DBCL
Models
NR 1890DR NR 1890DBRL
CONTENTS
TROUBLESHOOTING GUIDE --------------------------------------------------------------------------------------- 1
1. Troubleshooting and corrective action --------------------------------------------------------------- 1
2. Corrective action when the orange LED blinks ---------------------------------------------------- 6
3. Maintenance mode --------------------------------------------------------------------------------------- 7
4. Resetting error mode (when the orange LED is blinking) --------------------------------------- 7
REPAIR GUIDE ---------------------------------------------------------------------------------------------------------- 8
1. Precautions on disassembly and reassembly ------------------------------------------------------ 8
• Preparation before disassembly --------------------------------------------------------------------- 8
• Disassembly and reassembly of the magazine section ---------------------------------------- 9
• Disassembly and reassembly of the output section ------------------------------------------ 12
• Replacement of the piston ass'y -------------------------------------------------------------------- 23
• Replacement of sensor (B) --------------------------------------------------------------------------- 26
• Feeding compressed air ----------------------------------------------------------------------------- 27
• Checking after reassembly ------------------------------------------------------------------------- 29
• Tightening torque ------------------------------------------------------------------------------------- 30
• Connecting diagram ---------------------------------------------------------------------------------- 31
STANDARD REPAIR TIME (UNIT) SCHEDULES ------------------------------------------------------------- 32
NR 1890DC
CONFIDENTIAL
NR 1890DC: K858
NR 1890DBCL:
NR 1890DR: K859
NR 1890DBRL:
Jul. 2017
NR 1890DR
Overseas Sales Division
Page
N
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Table of Contents
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Summarization of Contents
Troubleshooting Guide
Troubleshooting and corrective action
Guide for diagnosing and resolving operational issues.
Corrective action when the orange LED blinks
Specific steps for addressing orange LED blinking patterns.
Maintenance mode
Mode to position the piston for maintenance.
Resetting error mode (when the orange LED is blinking)
Procedure to reset error indications.
Repair Guide
Precautions on disassembly and reassembly
Essential precautions and safety measures for disassembly.
Disassembly and reassembly of the magazine section
Step-by-step instructions for dismantling and reassembling the magazine.
Reassembly of the magazine section
Procedure for putting the magazine section back together.
Disassembly and reassembly of the output section
Procedure for dismantling the power assembly and wiring.
Reassembly of the power assembly
Procedure for reassembling the power assembly components.
Checking after reassembly of the power assembly
Steps to verify correct assembly of the power unit.
Replacement of the piston ass'y
Instructions for replacing the piston assembly.
Replacement of sensor (B)
Procedure for removing and installing sensor B.
Feeding compressed air
Instructions for supplying compressed air to the nailer.
Checking after reassembly
Final checks to ensure proper operation after assembly.
Tightening torque
Specifications for screw and bolt tightening forces.
Connecting diagram
Diagram illustrating electrical connections within the tool.
Standard repair time schedules
Guide to estimated time for repair tasks.
Pneumatic Tool Parts List
NR 1890DC Parts List
Detailed parts breakdown for the NR 1890DC cordless strip nailer.
NR 1890DR Parts List
Detailed parts breakdown for the NR 1890DR cordless strip nailer.
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