TM 5-3805-281-10
Operating the Machine
REMOVE HYDRAULIC IMPACT BREAKER
1. Operate excavator and support impact breaker
approximately 457 mm (18 in.) off ground using
suitable blocking so that impact breaker is stable and
quick-disconnect hitch does not contact the ground.
2. Clean and disconnect impact breaker hydraulic hoses
connected to corresponding hoses on excavator arm
and screw hydraulic disconnects together to prevent
contamination of impact breaker when not installed on
excavator. (See Using Quick-Coupler Type
Attachments in this chapter.)
3. Install plug and cap on quick-disconnect fittings on
excavator arm.
NOTE: See Quick-Disconnect Attachment Removal in this
chapter for additional information when performing
steps 4 through 7.
4. Manually place hitch safety lock pin in the unlock
position.
5. Set quick-disconnect hitch switch in cab to unlatch
position.
CED,OUOESLH,5 1908DEC991/2
6. Operate excavator to rotate hitch upward to vertical
position (A). Fully extend bucket cylinder. Place oil
over relief.
7. Remove hitch from hooks of impact breaker bracket
(B).
CED,OUOESLH,5 1908DEC992/2
