TM 9-3950-253-13&P
OPERATOR MAINTENANCE
DESCRIPTION AND USE OF OPERATOR CONTROLS
GENERAL
This work package describes the location and function of all operator controls of the Enhanced Container
Handling Unit (E-CHU). Do not attempt to operate equipment until becoming familiar with these controls.
Table 1. Stowage Control Panel
Figure 1. Stowage Control Panel.
Key
Control/Indicator
Function
1
UP Button
Press and hold button to activate. Raises hook arm to allow for stowage and
retrieval of lift frame.
2
RETRIEVE Button
Press and hold button to activate. Moves lift frame or stowage guide
rearward.
3
DOWN Button
Press and hold button to activate. Lowers hook arm to allow for stowage and
retrieval of lift frame.
4
OFF/AUTO/MAN
Toggle switch to turn stowage controls to AUTOMATIC, MANUAL or OFF.
Switch
When set to OFF, joystick in cab operates normally and stowage controls are
disabled. When in either AUTO or MAN position, the joystick is disabled and
stowage controls are enabled.
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