SUNWARD SWE20B - Hydraulic Breaking Operation

49
Wrong
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) supplied
by P2 is 21 M Pa.
Attention to 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 stocking cover and plug in tool compartment for maintenance purpose.
3) Avoid dirt entering into system when change bucket with 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.
4) Don’t operate hydraulic breaker when hydraulic
cylinder piston retracts or extends fully, avoid
damaging hydraulic cylinder or machine.
5) If hydraulic breaker hose jumps abnormally, stop
operation immediately. The pressure change of
breaker accumulator or damaged accumulator will
FIG.3-3
FIG.3-40
Note