OPERATION & MAINTENANCE MANUAL SWE18UF
47
3.7 HYDRAULIC BREAKING OPERATION
Hydraulic breaking operation tips…if equipped
Choose hydraulic breaker with correct dimension and
weight. Consult with your dealer.
Pump / Main valve section assignment
The hydraulic pressure of section AUX (the hydraulic
pressure of the breaker section) is supplied by P2 and
P3 with pressure 14MPa.
Note for hydraulic breaker tubing
1)
When the hydraulic breaker is out of use, cover
the pipe end of arm and fit a plug at the end of hydraulic breaker hose to avoid dirt entering
into system.
2)
Ensure the stock of cover and plug in tool
compartment for maintenance purpose.
3)
Avoid dirt entering into system when changing
bucket into breaker.
4)
After connection, check the oil leakage and bolts
slack condition.
Before fitting hydraulic breaker on the arm, read
machine and hydraulic breaker manuals carefully, and
carry out the required confirmation or inspection.
Carry out required inspection before daily operation.
1)
Operate machine slowly, the stability of machine
will be decreased because the hydraulic breaker is
heavier than the bucket. Therefore, use dozer
blade to support and work in front of dozer blade.
2)
Avoid hammering work with hydraulic breaker.
Never use boom or arm to break objects,
otherwise it will damage machine.
3)
Don’t move objects with hydraulic breaker,
otherwise it will damage machine.
wrong
FIG.3-38
FIG.3-39
Note
wrong
FIG.3-40
