Snorkel S2255RT - Chapter 10 - Emergency Operation; Emergency Lowering; Towing

S2255RT S2755RT - 15286-1 51
If the main hydraulic system fails:
Ÿ The aerial platform may be lowered using the emer-
gency lowering handle.
Ÿ The machine may be towed if the drive system fails.
Ÿ Refer to Emergency Lowering, or Towing for the
appropriate procedure.
Emergency Lowering
Use the following procedure to operate the emergency
lowering system.
Warning
The potential for an accident increases when safety
devices do not function properly. Death or serious
injury could result from such accidents. Immediate-
ly push the emergency stop button inward to disable
the control system before using the emergency
lowering system in the event of an emergency.
1. Immediately push the emergency stop button in-
ward to disable the control system in the event of
an emergency.
2. Retract the platform extension, if possible.
3. The emergency lowering handle for the machine is
mounted at the rear of the aerial platform (refer to
Figure 10.1).
Figure 10.1 – Rear of Machine
Danger
Pinch points may exist between moving compo-
nents. Death or serious injury will result from be-
coming trapped between components. Make sure
all personnel stand clear while lowering the platform
with the emergency lowering system.
4. Make sure there is nothing in the way to obstruct
the platform when it lowers.
5. Stand clear of the scissors structure.
Ÿ Pull outward on the emergency lowering handle
at the rear of the machine to lower the platform.
6. The platform will begin to lower as the handle is
actuated. Release the handle to stop the platform
from lowering.
Chapter 10 – Emergency Operation
Warning
The potential for an accident increases when safety
devices do not function properly. Death or serious
injury could result from such accidents. Fully close
the emergency lowering valve before operating the
aerial platform.
7. Make certain the handle is fully released and the
emergency lowering valve is fully closed before
operating the aerial platform.
Towing
The aerial platform may be pushed or pulled after properly
stowing the aerial platform and disengaging the brakes.
Use the following procedure to manually disengage the
brakes.
Figure 10.2 – Battery Disconnect Switch
Ÿ Turn the battery switch to off (see fi gure 10.2).
Figure 10.3 – Lower Controls
Emergency Lowering Handle