TM 5-2420-231-10
0007
LEFT BACKHOE CONTROL TOWER - Continued
Table 1. Left Backhoe Control Tower Controls/Indicators.
KEY
CONTROL/INDICATOR
FUNCTION
NOTE
Bi-directional auxiliary hydraulic switches operate
only when auxiliary hydraulic equipment is installed.
1
Bi-directional auxiliary hydraulic
Control operation of optional auxiliary hydraulic equipment
switches
connected to backhoe boom.
2
Horn button
Push button to activate horn; release button to stop horn.
3
Left backhoe control lever
Controls backhoe functions for boom and swing
(pattern 1) (Figure 3) or dipper and swing (pattern 2)
(Figure 4).
4
Tower tip adjustment knob
Located on backhoe side of tower. Turn knob
counterclockwise (CCW) and tip upper part of tower into
desired position; turn knob clockwise (CW) to lock
position.
5
Left wrist rest adjustment knob
Turn knob CCW to loosen wrist rest; adjust wrist rest; turn
CW to tighten wrist rest.
NOTE
Auto Up feature allows operator to automatically
bring stabilizers (left or right) up to transport
position without holding switch in position.
For Auto Up feature, pull switch all the way
rearward momentarily past detent position.
Release switch and stabilizer will automatically
raise to full transport position. Push switch in either
direction to cancel Auto Up.
6
Right stabilizer switch
Pull switch rearward to bring right stabilizer up; push
switch forward to lower stabilizer.
7
Left stabilizer switch
Pull switch rearward to bring left stabilizer up; push switch
forward to lower stabilizer.
8
Adjustable wrist rest
Supports operator's wrist during backhoe operation to
prevent fatigue.
