24
3. Lower Controls
6
7
11
1
2
4
3
5
8
9
10
12
13
14
20
19
18
17
21
15
16
A
A
M147B82-1
Fig. 4‒3
1. Engine Start Switch /
Emergency Pump Switch
• Operate this switch up without
operating the enable switch and
the engine will start.
• Hold this switch down to
operate the machine with
emergency pump. (Refer to
chapter 9 for details)
2. Pre-start Check Switch
Follow the instruction and hold
this switch up when the pre-start
check is performed.
3. Emergency Stop Button
Push in this button to “OFF” and all functions
will stop. Pull out this button to “ON” and the
machine will operate.
4. Boom Elevation Switch
Operate this switch up and the
boom will rise. Operate this
switch down and the boom will
lower.
5. Boom Telescope Switch
Operate this switch to the left
and the boom will retract.
Operate this switch to the right
and the boom will extend.
6. Boom Rotation Switch
Operate this switch up
and the boom will rotate
counterclockwise. Operate this
switch down and the boom will
rotate clockwise.
7. Platform level adjust switch
Operate this switch up and
the platform level will tilt up.
Operate this switch down and
the platform level will tilt down.
8. Fuse Holder
The fuse holder is located inside the cover.
9. Hour Meter
The hour meter displays the time during
which the machine has been used. Used as a
guide for inspecting, servicing, or refueling.
It works only when the engine is in motion.
10. Key Switch for Upper Controls /
Off / Lower Controls Selection
Turn the key switch to the left
and the upper controls will
operate.
Turn the key switch to center
position and the machine will be
off.
Turn the key switch to the right
and the lower controls will
operate.
11. Enable Switch
Hold this switch up to operate
the machine on the ground.
NOTICE
Operate controls within 20 seconds after
operating the enable switch. Failure to do
so, the preheat light starts flashing and all
controls become disabled even when the
enable switch has been operated. (See “21.
Preheat Light.”)
In that case, release all controls and then
operate again.