Operation and maintenance manual

Operation
3-33
DX140R/DX140LCR
HYDRAULIC ATTACHMENTS
(OPTIONAL)
Breaker Operation
Selection of Hydraulic Breaker
If a hydraulic breaker is installed, consider equipment's stability
and suitability for s
uch modification. Also, consider hydraulic oil
pressure and quantity. When selecting a hydraulic breaker
consult with a DOOSAN distributor or sales agency.
Hydraulic Hoses and Tubing for Breaker
1. When installing hydraulic breake
r, assemble according to
drawings provided with kit.
2. If breaker is taken off excavator, be sure to plug and cap all
ho
ses and tubing to prevent contamination from entering
hydraulic system.
3. Plug and cap all connectors and fittings on breaker to
prevent contam
ination.
4. Check all hydraulic connections for signs of leaks or loose
compo
nents before starting operation.
IMPORTANT
If a hydraulic breaker and piping is installed without
DOOSAN's authorization, it may create a serious
malfunction which will not be covered under the excavator
warranty.