Snorkel MHP17 - Manual (Page 51)

9. 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 MHP16/47 will
not start or some other prob lem keeps the plat form
from low er ing in the nor mal way.
❑ 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 9.1 - Lower Control Box
1. The Master Key Switch  must be ON (see
Figure 9.1).
2. The Emergency Stop switch € must be
(ON) (see Figure 9.1).
3. The Platform/Ground Selector switch 
(see Figure 9.1) must be set to PLATFORM.
Figure 9.2 - Upper Control Box
4. Set the Emergency Stop switch ‚ to ON
(see Figure 9.2).
5. Set the Anti-Restart switch ƒ (see Figure
9.2) to ON.
Figure 9.3
6. Step on the platform foot switch „ (see
Figure 9.3).
Figure 9.4
7. Hold the Emergency Lower switch (see
Figure 9.4) down and the platform will begin
lowering.
NOTE:
To slew when using emergency lowering operate
the slew switch † in the direction required.
MHP16/47 – 11544A page 9 - 1