TM 5-2420-231-10
0007
RIGHT BACKHOE CONTROL TOWER - Continued
Table 2. Right Backhoe Control Tower Controls/Indicators.
KEY
CONTROL/INDICATOR
FUNCTION
1
Right backhoe control lever
Controls backhoe functions for dipper and bucket
(pattern 1) (Figure 3) or boom and bucket (pattern 2)
(Figure 4).
2
Adjustable wrist rest
Supports operator's wrist during backhoe operation to
prevent fatigue.
3
Tower fore and aft control handles
Squeeze handles together to adjust left and right towers
fore and aft; release handles to hold position.
NOTE
When turning pilot control switch to on position,
there may be a delay of less than 1/2 second before
being able to operate stabilizers or bi-directional
auxiliary equipment. If operator attempts to operate
any of these functions sooner than 1/2 second
delay, functions will not operate again until pilot
control switch is cycled off and on.
4
Pilot control switch (3 position)
Used to activate/de-activate backhoe controls.
Position A
Enable - Momentary position; activates all backhoe
functions; illuminates when activated.
Position B
On - Allows only stabilizers to operate.
Position C
Off - Shuts off backhoe controls.
NOTE
It is necessary to use two hands to change control
patterns. This safety feature prevents accidental
switching of patterns.
5
Backhoe control pattern switch
Used to select backhoe pattern 1 (Figure 3) or pattern 2
(2 position)
(Figure 4).
Orange locking tab (E)
To change switch positions, push orange locking tab up
Lock release (D)
toward center of switch to release lock.
6
Right wrist rest adjustment knob
Turn knob CCW to adjust wrist rest, turn knob CW to
tighten wrist rest.
7
Boom latch release pedal
Push pedal to release boom latch.
8
Tower tip adjustment knob
Located on backhoe side of tower. Turn knob CCW and
tip upper part of tower into desired position; turn knob CW
to lock position.
