DUMPING LOAD (Cont).
Always disengage PTO when hydraulic power is no longer needed. If PTO is
engaged while dump truck is transporting a load, severe damage to hydraulic
pump, PTO or transmission will result.
Disengage PTO (TM 9-2320-363-10).
Turn off main light switch (6).
Slide tailgate release control valve lever (5) right to LOCK position.
As required, release mud flaps
(1) from stowed position on hooks (2).
ADJUSTING TAILGATE OPENING.
Use extreme caution when adjusting tailgate opening. NEVER adjust tailgate open-
ing when tailgate is open. Failure to follow this warning could result in injury to per-
Adjustment chains are intended for use only during spreading operations. If used
when stockpiling, damage to chains or tailgate may result.