
3. Safety Devices
■
Safety Device Information
For emer gency op er a tion con trols and pro ce dures,
see the “Emer gency Op er a tion” chap ter 11, in this
man ual.
The de vices listed in this chap ter are safety de -
vices.
They are on the MHP15/44HD to in crease safety in
the work place for both the op er a tor and other peo -
ple near the MHP15/44HD.
DO NOT bypass, disable, modify, or ignore
any of these devices. Check them carefully
at the start of each work shift to see that they
are in working order (see “Pre-operational
Inspection” chapter 9). If any is found to be
defective, remove the MHP15/44HD from
service immediately until a qualified service
technician can make repairs.
■
Emergency Stop Switches
Machines with Electric Controls
❑
At ground control box
Figure 3.1 - Emergency Stop Switch at
Ground Control Box
Press the red
EMERGENCY STOP
button in, at
any time, under any conditions, and the entire
machine stops, and nothing moves. This switch
must be out (on) for anything on the MHP15/44HD
to work. Pull the switch and it will pop out (on).
❑
At platform control box
Figure 3.2 - Emergency Stop Switch at
Platform Control Box
Press the red
EMERGENCY STOP
but ton in, at
any time, un der any con di tions, and the en tire ma -
chine stops, and noth ing moves. This switch must
be out (on) for any thing on the MHP15/44HD to
work. Pull the switch and it will pop out (on).
NOTE:
The ground control box is designed to override
the platform control box. If the platform control
box
EMERGENCY STOP
switch is in (off) the
ground con trol box can still be used to start and
op er ate the MHP15/44HD.
■
Emergency Stop Switches
Machines with Hydraulic Controls
❑
At ground control box
Figure 3.3 - Emergency Stop Switch at
Ground Control Box
Press the red
EMERGENCY STOP
button in, at
any time, under any conditions, and the entire
machine stops, and nothing moves. This switch
MHP15/44HD – 12885A
Rev F
page 3 - 1
CAUTION