Hitachi NR 1890DC Service 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
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