Section 4 – REMOTE CONTROL SYSTEM INTRODUCTION Mini-Crawler Crane M A E D A
4-80 1/2019 MC285C-3
Operation Environment
Avoid using the transmitter in a place where there
is danger of explosion.
Fig. 4-218
Battery
Use a specified battery for the remote control
system. The use of battery other than specified
may cause electrolyte leakage, heat generation
and rupture of the battery.
When setting a battery in the transmitter of the
remote control system, be careful not to turn the
battery upside down. Doing so may cause a
failure of the inside devices of the transmitter, and
electrolyte leakage, heat generation and rupture
of the battery.
Fig. 4-219
Do not heat the battery or put it in fire. Doing so
may cause electrolyte leakage and rupture of the
battery.
Fig. 4-220
Do not disassemble or modify the battery. Doing
so may cause electrolyte leakage, heat
generation and rupture of the battery.
Fig. 4-221
Do not solder directly to the battery. Doing so may
cause electrolyte leakage, heat generation and
rupture of the battery.
Fig. 4-222
If leaked electrolyte contacts your eyes,
immediately wash it away with plenty of water and
promptly see a doctor.
Periodically charge and discharge the battery
within six months.
Temporary Storage when Abnormality is
Found
In case the remote control system is found with an
abnormality and is therefore stored temporarily
waiting for service, apply following measures to
notify all persons in the office that “the use is
prohibited due to failure.”
1. Put up a sign showing “Use Prohibited”.
Write clearly the information such as
abnormality contents, name and contact of
the storage manager, and the term of
storage.
2. Take out the battery.
3. Never perform operation using a failed
remote control system.
Cautions during Welding Repair
When performing welding repairs to the crane,
weld in a location with good facility, and, only
authorised personnel are permitted to weld.
• Disconnect the battery terminals to prevent
battery explosions.
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