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E5331 Maintenance Manual Basic Version V1.0
Internal
2012-4-21
Huawei confidential. No spreading without permission.
Page 24 of 57
6
Maintenance Tools
Name: constant-temperature gun
Application: It is used to heat the components.
Name: soldering iron
Application: It is used for soldering during
maintenance.
Name: DC power
Application: It is used to supply power.
Name: soldering fixture
Application: It is used to fix the main board.
Name: lead-free solder wire
Application: It is used for soldering.
Name: digital multimeter
Application: It is used for measuring during
maintenance.