Chapter 8 - Operation
32
3–5 Emergency stop
(stop the engine)
CAUTION
• If the boom is to be kept in the
same place for a while, to prevent
misoperation, position the platform,
then push the emergency stop button
before doing your work.
• If the boom descends gradually on its
own even though the emergency stop
button has been pushed, the cylinder
may be descending on its own. Start the
engine or the emergency pump, and
move the lever in the opposite direction
of the boom movement in order to
counteract it. Quickly and fully retract
the boom and stop working.
• If an operation must be stopped because
of a malfunction, stop working and have
the machine checked immediately.
06-08
Emergency stop button
fig. 8-12
(1) Press down the emergency stop button.
(2) When the emergency stop button has
been pressed down, the engine will stop,
and all operations will be impossible,
except starting the engine and operating
the emergency pump.
(3) To cancel the stop, pull up the emergency
stop button, and start the engine using
the engine start switch.
(4) In case of the following, press down the
emergency stop button.
– In case you need to stop the engine while
you are doing work.
– In case you will not be using the levers on
the upper panel, to prevent misoperation,
push the emergency stop button in
advance.
– When person in the platform stops all of
the machine movements to avoid hazard.
– In case it is not possible to control the
operation using the levers.
3–6 Emergency pump operation
NOTICE
• The emergency pump can only be used
for only 30 seconds or less at a time, with
a rest period over 30 seconds between
uses.
• Do not use the emergency pump for
normal work because it puts a great load
on the pump, and do not use a pump
work cycle other than that described
below. You can damage the emergency
pump, and may burn out the motor.
06-14
Emergency pump switch
fig. 8-13
(1) Press the emergency pump switch.
(2) The pump will turn on when both
the emergency pump switch and the
operation switch are turned on.
(3) If work is being done on a high place, and
it happens that the machine is inoperable
because of engine or pump trouble, use
the emergency pump to lower the person
to the ground.
(4) The emergency pump runs off the battery.
(5) The emergency pump work cycle
Summary of Contents for SP12C
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