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1 Introduction
1.1 Document description............................................ 3
1.2 Target group...........................................................3
1.3 Revisions................................................................3
1.4 Safety..................................................................... 3
1.5 Servicing tools........................................................3
2 Safety
2.1 Safety definitions....................................................4
2.2 General safety instructions.....................................4
2.3 Symbols on the product......................................... 4
2.4 Special safety instructions......................................4
3 Servicing data
3.1 Servicing data BTR250PL......................................5
4 Servicing tools
4.1 Diagnostic tools .....................................................6
5 Repair instructions
5.1 To clean and examine the product parts................7
5.2 To change a trimmer line cutter............................. 7
5.3 To replace the trimmer head.................................. 7
5.4 To replace the fan.................................................. 8
5.5 To change the keypad............................................8
5.6 To replace the handle............................................ 9
5.7 To replace the shaft............................................... 9
5.8 To repair damaged threads....................................9
5.9 To change trimmer line.......................................... 9
5.10 Motor.................................................................... 9
5.11 Main switch........................................................ 11
5.12 Control unit.........................................................11
5.13 Trimmer guard....................................................13
5.14 Battery housing wear guard............................... 13
5.15 Battery housing.................................................. 14
5.16 Operating handle................................................14
5.17 Power trigger......................................................14
6 Troubleshooting
6.1 Overhaul...............................................................15
6.2 To connect the common service tool................... 15
6.3 To do troubleshooting of the common service
tool............................................................................. 15
6.4 Troubleshooting of the product............................ 15
6.5 Troubleshooting the control unit...........................16
6.6 Troubleshooting of the battery and battery
charger....................................................................... 17
6.7 Troubleshooting of the battery connector.............18
2
Contents
7 Technical data
7.1 Technical data......................................................20
572 - 001 - 28.03.2018
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