3 — OPERATION
3-5
3-3 EMERGENCY LOWERING PROCEDURES
In an emergency, a person at floor level can lower the platform by holding the UPPER
CONTROL/OFF/LOWER CONTROL
key switch in the LOWER CONTROL position and turning
the
UP/DOWN selector switch to the DOWN position. (If the upper control box emergency
stop pushbutton is depressed, the platform will not lower.)
An emergency lowering valve is shown in Figure 3-4. In case of a total loss of battery
power, a person at floor level can safely lower the platform by opening the emergency
lowering valve.
WARNING
Do not climb out of the lift cage while the lift platform is elevated. The lift mast
cannot be climbed safely. An elevated lift platform has a high center of gravity
and can be tipped easily. Standing on or leaning out from the outside of a cage rail
may cause the lift vehicle to tip over. Tipping the lift vehicle over can cause severe
injury or death and equipment damage.
If you lose power while elevated in the cage, instruct someone else to open the emer-
gency lowering valve. Do not
leave the cage to climb down the lift mast or storage
shelves.
To lower the platform, turn the red valve knob counterclockwise until the platform starts
to descend. When the platform is lowered, turn the valve knob clockwise until closed.
Figure 3-4. Emergency Lowering Valve
