Snorkel SR3084SL - Manual (Page 50)

Chapter 10 – Emergency Operation
46 SR3084SL – 8210037
A
Warning
The aerial platform is free to move when the brakes
are disengaged. Death or serious injury could result.
Re-enable the brakes before operating the aerial
platform.
Use the following procedure to manually disengage the
brakes:
1. Chock the wheels to prevent uncontrolled motion of
the aerial platform.
2. Open the door on the left side of the chassis. Close
the free-wheeling valve by turning the Allen screw
clockwise. The free-wheeling valve is located on the
hydraulic manifold (refer to Figure 10.3).
Figure 10.3 – Free-Wheeling Valve
Brake Release
Pump
Handle
Free-Wheeling
Valve
Brake Release
Pump
Handle
Free-Wheeling
Valve
3. Insert the handle into the brake release pump (re-
fer to Figure 10.3). Pump the brake release pump
several times to release the brakes then remove the
handle.
4. Do not exceed .68 mph (1.1 km/h) when towing.
A
Warning
The aerial platform is free to move when the brakes
and free-wheeling valve are disabled. Death or seri-
ous injury could result. Close the free-wheeling valve
and reset the brakes before operating the aerial
platform.
5. After moving the aerial platform, turn the free-wheel-
ing valve counterclockwise until the valve is fully
open. Refer to Figure 10.3.
6. After unloading the aerial platform from the transport
vehicle, verify that the drive system and brakes oper-
ate properly before operating the aerial platform.