Chapter 10 – Emergency Operation
52 S2255RT S2755RT - 15286-1
Ÿ At the ground control box set the emergency stop
switch to off , turn the main power switch off and
remove the key (see fi gure 10.3).
Figure 10.4 – Free Wheeling Valve
Ÿ Inside the hydraulic compartment, open the free-
wheeling valve by turning it counterclockwise until
the knob stops (see fi gure 10.4).
Danger
A runaway S2255RT / S2755RT can cause death
or serious injury. At the next step the S2255RT /
S2755RT brakes will be released. Do not proceed
to the next step unless the machine is on a level
surface or the machine is securely attached to an-
other vehicle that has the capacity to safely control
the machine on a grade.
Figure 10.5 – Hand Pump
Ÿ Close the brake release valve by turning the knob
clockwise fully. Pump the hand pump till it is fi rm
or till the brakes are released. The machine is now
ready to be pushed or towed.
Caution
The S2255RT / S2755RT drive motors will be ru-
ined if the machine is pushed (or pulled) faster
than 2 mph (3.2 km/h). Unless personnel safety
considerations dictate otherwise, do not push (or
pull) faster then 2 mph (3.2 km/h).
Figure 10.6 – Brake Release Valve
Ÿ Once the unit has been safely pushed / towed open
the brake release knob by turning it counterclockwise
and close the free wheel valve fully (see fi gure 10.4).
The unit is now ready for normal operation.
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