TM 9-2320-269-10
DERRICK OUTRIGGER CONTROLS - CONTINUED
Key
Control or Indicator
Function/Use
NOTE
Position your truck on solid, level ground, as close as possible to the work area.
Lower the outriggers whenever you use the derrick.
Make sure everyone is clear of the outriggers when you lower them.
Warm up the hydraulic system in cold weather. Engage the PTO and let the pump run for five minutes at
a low speed.
1
LEFT FRONT OUTRIGGER
These instructions are common to all operation of the derrick.
CONTROL LEVER
2
LEFT REAR OUTRIGGER
a. Lower the outriggers, one at a time by pushing DOWN on the
CONTROL LEVER
control lever.
3
RIGHT REAR OUTRIGGER
b. To raise the outriggers, lift UP on the control lever, while holding
CONTROL LEVER
the safety plate away.
4
RIGHT FRONT OUTRIGGER
CONTROL LEVER
TA 222539
2-30