October 2008 "3072ES / 3772ES / 3772ES HD" Service & Parts Manual
Page 2-10
CONTROLS
EMERGENCY STOP Switch
There are two red Emergency Stop switches: One located on the upper controls and one on the lower
controls. Activation of either Emergency Stop switch will immediately cut electrical power to all con-
trols, thereby stopping all machine functions. Press the switch to stop all electrical power and turn the
switch clockwise to reset.
When both Emergency Stop switches are “set”, the controls have electrical power and the machine
will operate.
NOTE: Both switches must be set or the machine will not operate.
The electric Emergency Lowering switch (3772ES) will continue to
function when the Emergency Stop switches are depressed.
TWIST TO RESET
RAISE
LOWER
PUSH FOR EMERGENCY
STOP
PUSH FOR EMERGENCY
STOP
TWIST TO RESET
15
PLATFOR
M
BASE
OFF
Emergency
Stop
Hour Meter
Circuit Breaker
Platform / Base
Lower
(Green)
Charge
Indicator
Raise
(Green)
Battery Cutoff
ART_ 2557
Lower Controls
PLATFORM/BASE Selector Switch
Use this switch to set machine operation to the
upper controls (PLATFORM) or the lower controls
(BASE).
When the switch is set to PLATFORM, all lower
controls functions are disabled with the exception
of the Emergency Stop switch.
When the switch is set to BASE, all upper con-
trols functions are disabled with the exception of
the Emergency Stop switch.
When the switch is set to OFF, all functions are
disabled.
RAISE Button
Type of switch: momentary push button. Press and hold the RAISE button to cause the platform to
elevate at a steady, single speed.
LOWER Button
Type of switch: momentary push button. Press and hold the LOWER button to cause the platform to
descend at a steady, single speed.
Circuit Breaker
The circuit breaker will trip in the event of power overload to prevent electrical damage to the machine.
Press to reset. If the circuit breaker continues to trip, take the machine out of service until the electrical
problem is diagnosed and corrected (see
Section 4: Troubleshooting
).
Hour Meter
The hour meter records the time that the machine is in operation. Check the hour meter daily to
determine if the machine is due for service.
Charge Indicator
The charge indicator indicates the state of charge of the battery pack.
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