TM 5-3810-306-10
Table 2-1. Control Panel Controls and Indicators (Cont’d)
Key
Control or Indicator
Function
24
OUTRIGGER SELECTOR
EXTEND - extends selected
Control panel
outrigger cylinder.
RETRACT - Retracts selected
outrigger cylinder.
25
SWING BRAKE
Push to set swing brake and
Control knob
prevent crane superstructure
rotation.
26
REAR HEAD LAMPS Switch
ON - Lights rear floodlights
mounted on crane frame.
OFF - Turns off rear
floodlights mounted on crane
frame.
27
FLOOD LAMP Switch
ON - Lights boom mounted
floodlights.
OFF - Turns off boom mounted
floodlights.
28
DRIVE AXLE Switch
2WD HI - Selects two-wheel
drive mode. Front wheels
are driven.
4WD LO - Selects four-wheel
drive mode. All wheels are
driven.
29
1-2-3/FNR
1 - Selects low gear in
Transmission shift Levers
transmission.
2 - Selects second gear in
transmission.
3 - Selects high gear in
transmission.
F - Selects forward
travel direction for
crane.
N - Selects neutral. No
wheels are driven.
R - Selects rear direction
for crane travel.
2-6
