11. Emergency Operation
■
Emergency Operation Procedures
The fol low ing pro ce dures are emer gency pro ce -
dures only.
DO NOT
use them for nor mal op er a -
tion. Their pur
pose is to get the plat
form and
op er a tor safely to ground when the MHP15/44HD
will not start or some other prob lem keeps the plat -
form from low er ing in the nor mal way.
■
Emergency Operation Procedures
Machines with Electric Controls
❑
Operation from platform control box
Switch set tings listed in the three steps be low must
ex ist at the ground be fore emer gency op er a tion
pro ce dures will work at the plat form con trol box:
Figure 11.1
1. The
Master Key Switch
must be ON (see
Figure 11.1).
2. The
Emergency
Stop
switch
must be
(ON) (see Figure 11.1).
3. The
Platform/Ground Selector
switch
(see Figure 11.1) must be set to
PLATFORM.
Figure 11.2
4. Set the
Emergency Stop
switch
to ON
(see Figure 11.2).
5. Set the
Anti-Restart
switch
(see Figure
11.2) to ON.
Figure 11.3
6. Step on the platform foot switch
(see
Figure 11.3).
Figure 11.4
7. Hold the
Emergency Lower
switch
(see
Figure 11.4) down and the platform will begin
lowering.
NOTE
To slew when using emergency lowering operate
the slew switch
in the direction required (see
Figure 11.4).
MHP15/44HD – 12885A
Rev F
page 11 - 1