Lenovo Moto Z4
Level 2 – Service and Repair Manual
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S
AFETY
I
NFORMATION
Cautions and Warnings
Electrostatic Discharge
The phone components may be damaged by electrostatic discharge (ESD). Always use an ESD mat and ground strap
when working with internal components.
Battery Safety Guidelines
Handle Battery with care. Ensure Battery edges and surfaces are not dented or deformed. If the Battery Pack is dropped
to the floor, it may be internally damaged and must be scrapped.
Ensure all surfaces, fixtures, and phone components contacting the Battery are smooth and clean.
Ensure Battery and its insulation are not damaged (e.g. scratched, dented, punctured) prior to and throughout assembly.
Prior to assembly, ensure Battery edges and surfaces are not dented or deformed, and that fixtures and parts that will
contact the Battery are free of foreign material.
Ensure screws and screwdrivers do not contact the Battery.
Failure to adhere to Safety Critical Note(s) may increase risk of rupture, burning, or failure to function safely when used
by the customer.
Soldering Safety Guidelines
Handle the Soldering Iron with care. Staff engaged in soldering tasks not involving BGA components must be trained
and work in accordance with the requirements of IPC-A-610 and IPC-7711, and work in accordance with J-STD-001.
Ensure that the components used for electrical repair meet the following requirements:
Solder paste is tin- and lead-free.
Solder wire is lead-free.
Flux, whether liquid or gel, is No Clean RMA flux.
