TM 5-3805-280-10
Operating the Machine
IMPORTANT: The safety lock pin is a safety device to
mechanically secure the attachment in
the event of hydraulic system failure.
The machine should not be operated
without the safety lock pin in the locked
position (E).
7. The safety lock pin lever is at the rear of the
Quick-Disconnect Hitch. Carefully rotate the spring
loaded safety lock pin lever toward the excavator to
engage the lock pin.
CED,OUOE042,65 1909DEC995/8
QUICK-DISCONNECT ATTACHMENT REMOVAL
1. Fully extend arm and curl bucket in. Place the
attachment on the ground.
2. Manually lift and rotate the safety lock pin lever from its
locked position and install it in the unlocked position
(F).
NOTE: Alarm will sound when switch is in unlocked
position.
3. To unlatch the Quick-Disconnect Hitch from an
attachment fully extend the bucket cylinder. Move the
Quick-Disconnect Hitch switch (A) in the operators cab
to the unlatch position. Move the control to extend the
bucket cylinder again to place hydraulic oil over relief
(except for rock drill attachment). This will activate the
latch cylinder to the open position.
Continued on next page
CED,OUOE042,65 1909DEC996/8
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