Snorkel S1930CE - Manual (Page 45)

S1930 – 0361518EE 41
3. Unlatch and swing out the hydraulic tray. The free-
wheeling valve is located on the hydraulic manifold
(refer to Figure 11.2). Turn the free-wheeling valve
counterclockwise to the fully open position.
Figure 11.2 – Hydraulic Tray
4. The brake release pump is located on brake release
valve (refer to Figure 11.3) in the hydraulic tray. Push
and release the knob several times to release the
brakes.
Figure 11.3 – Hydraulic Tray
5. Do not exceed 3.2 km/h (2 mph) when towing.
A
Warning
The aerial platform is free to move when the brakes
and free-wheeling valve are disabled. Death or se-
rious injury could result. Close the free-wheeling
valve and reset the brakes before operating the
aerial platform.
6. Close the free-wheeling valve after towing.
7. Drive the aerial platform forward or reverse and then
stop to reset the parking brakes.
8. Verify that the drive system and brakes operate prop-
erly before operating the aerial platform.
If the aerial platform cannot be operated due to a loss of
hydraulic power, such as motor or pump failure, the plat-
form lift cylinder and drive wheels may be operated manu-
ally. Refer to the Emergency Lowering or Towing section
for the appropriate procedure.
Emergency Lowering
Use the following procedure to lower the platform.
1. Retract the platform extension, if possible.
2. Locate the emergency lowering lever at the front of
the aerial platform (refer to Figure 11.1).
Figure 11.1 – Front of Chassis
3. Make sure there is nothing in the way to obstruct the
platform when it lowers.
A
Danger
Pinch points exist on the scissors structure. Death
or serious injury will result from becoming trapped
within the scissors structure. Make sure all person-
nel stand clear while lowering the platform with the
emergency lowering lever.
4. Push the lever down to lower the platform. Release
the lever to stop.
Towing
The aerial platform may be pushed or pulled after disen-
gaging the brakes. Use the following procedure to manu-
ally disengage the brakes.
A
Warning
The aerial platform is free to move when the brakes
are released. Death or serious injury could result.
Re-enable the brakes before operating the aerial
platform.
1. Chock the wheels to prevent uncontrolled motion of
the aerial platform.
2. Turn the battery disconnect switch off.
Chapter 11 – Emergency Operation
Emergency
Lowering Lever
Free-Wheeling Valve
Brake Release Valve
Pump