Table Of Contents - Husqvarna 520iHT4 Workshop Manual

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 ....................................................... 6
4 Servicing tools
4.1 Servicing tools......................................................11
4.2 Diagnostic tools....................................................11
5 Repair instructions
5.1 To clean and examine the product parts..............13
5.2 Control handle......................................................13
5.3 Battery housing.................................................... 14
5.4 Electrical system.................................................. 15
5.5 Control unit...........................................................15
5.6 Control cable........................................................ 16
5.7 Air conductor........................................................ 17
5.8 Cutting unit........................................................... 18
5.9 Motor.................................................................... 22
5.10 Cutting unit joint ................................................ 22
5.11 Shaft...................................................................25
6 Technical data
6.1 Technical data......................................................30
7 Troubleshooting
7.1 Troubleshooting of the product............................ 32
7.2 Troubleshooting of the battery and battery
charger....................................................................... 34
7.3 Troubleshooting of the connectors.......................35
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Contents
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