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Emergency operation, Emergency operation procedures 9-1, Emergency stop 9-1 – Snorkel SR2770 User Manual

Page 56: Emergency bleed-down 9-1, Emergency operation, 9-1, Procedures, 9-1, Bleed-down, 9-1, Emergency stop, 9-1

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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 the ground when the SR will not
start or some other prob lem keeps the plat form
from low er ing in the nor mal way, or to move the SR
a short dis tance to a safe place when the mo tor will
not start.

There are three forms of emer gency op er a tion for
the SR.Emer gency stop, emer gency bleed-down,
and push ing.

Each is cov ered as a sep a rate sec tion be low.

Emergency Stop

There are two Emer gency Stop switches on an SR.

Figure 9.1 - Platform Control Box Emergency

Stop Switch

Figure 9.2 - Ground Control Box Emergency

Stop Switch

Push ei ther Emer gency Stop switch, (see Fig ures
9.1 and 9.2) at any time, and the en tire ma chine
stops, the en gine turns off, and noth ing moves.

Func tionally, the Emer gency Stop switches do
the same thing as turn ing the Main Power switch to
off. The Emer gency Stop switches are de signed
to be eas ier to find and faster to use than key
switches.

To reset the Emergency Stop switch at the
platform control box, pull it and and it will pop out
(on).
To re set the Emer gency Stop switch at the ground
con trol box, raise the red switch-cover and push
the switch up. The SR en gine can then be re started
in the nor mal way.

Emergency Bleed-Down

The SR plat form can be low ered from the plat form
con trol box any time there is elec tric ity to the plat -
form con trol box — the SR en gine does not have to
be run ning.

If you are work ing from the plat form and the en gine
dies and can not be re started, do the fol low ing:

Figure 9.3

1. Check to be sure the Emergency Stop

switch  is pulled out (on) (see Figures 9.1
and 9.3).

2. Set the Selector switch € (see Figure 9.3)

to the platform function (left).

3. Squeeze the Safety Control  and pull the

Joystick Controller ‚ (see Figure 9.3)
back. The platform should lower. If it does
not lower, call for help from someone on the
ground.

The per son on the ground should do the fol low ing:

Figure 9.4

SR2770 – 11669A

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