Hitachi ZX 38U-5A Technical Manual page 44

 Never attempt to disassemble, repair, modify or displace the
communication terminal, antennas or cables. Failure to do
so may result in damage and/or fire to the base machine or
to the communication terminal. (When required to remove
or install the communication terminal, consult your nearest
Hitachi dealer.)
 Do not pinch or forcibly pull cables, cords or connectors.
Failure to do so may cause short circuit or broke circuit that
may result in damage and/or fire to the base machine or to
the communication terminal.
Before Returning the Machine to the Customer
 After maintenance or repair work is complete, confirm that:
 The machine is functioning properly, especially the safety
systems.
 Worn or damaged parts have been repaired or replaced.
SAFETY
SA-38
SA-435