TM 10-3930-675-10
0004 00-10
DESCRIPTION AND USE OF OPERATOR'S CONTROLS
AND INDICATORS - CONTINUED
0004 00
BOOM AND TOPHANDLER CONTROLS
NOTE
Refer to Operation Under Usual Conditions, WP 0005 00, for detailed instruction on joystick operations.
KEY
CONTROL OR INDICATOR
FUNCTION
1
Joystick
Provides the following electro-hydraulic controls:
(a)
Raises and lowers boom.
(b)
Extends and retracts boom.
(c)
Locks and unlocks twistlocks.
(d)
Extends and retracts tophandler spreader for 20/40 ft
containers.
(e)
Tilts and oscillates tophandler.
(f)
Locks container in position, when tilted or oscillated.
(g)
Slews left and right.
(h)
Sideshifts left and right.
(i)
Straight lifting control.
2
Override Switch
Allows the operator to retract and lower the boom after an OVERLOAD
lockout. Provides twistlock override in the event of incorrect twistlock
alinement.
3
Emergency Stop Button
Push button to stop all hydraulic functions to the boom and tophandler.
When button is pushed, indicator on button shows red. Pull button to
release. When released, indicator on button shows green.
4
Joystick Positioning Lever
Raise to release lever and adjust joystick position. Lower lever to lock
joystick in position.
1
2
3
4
INDICATOR
GREEN
(BUTTON RELEASED)
INDICATOR
RED
(BUTTON PUSHED)
