Section 4 – RADIO REMOTE CONTROL SYSTEM INTRODUCTION Mini-Crawler Crane M A E D A
4-92 9/2020 MC285CB-3
Fig. 4-228
Do not solder directly to the battery. Doing so may
cause electrolyte leakage, heat generation and
rupture of the battery.
Fig. 4-229
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 radio 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 radio
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 electric wiring connection
section with the receiver. Otherwise, the electric
system of the receiver will be destroyed.
Operation Precautions
Pre-Start Inspection
Before operation, perform the pre-start inspection
as specified for this machine. Serious injury or
death can occur if these inspections are neglected.
Any failure detected during inspection must be
corrected immediately.
Machine Starting
Ensure the area is clear of people and obstacles
before starting the machine.
Before Turning On Transmitter
Check for dirt, cracks in the enclosure and
damaged display, control levers or operation
switches. WARNING! Unsafe Operation Hazard.
Do not use the transmitter if the enclosure is
cracked or the display, control levers or operation
buttons are damaged. The transmitter must be
clean and in good operating condition while
operating the machine.
Ensure that the transmitter’s control levers and
operation switches move smoothly and properly.
After Turning On Transmitter
Ensure the display of the transmitter displays the
correct indications.
Switch to each operation mode (CRANE and
OUTRIGGER), then check the display for the
proper indications when each lever and button is
manipulated. In addition, verify each applicable
load value on the transmitter is identical to that on
the moment limiter display.
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