Soosan
H
draulic Breaker
Soosan Heav
Industries Co.
Ltd
Check cycle Check Item Location
● Temperature of working fluid(below 80℃/176℉)
● Loss and damage of parts
● Leakage of breaker hoses
- A little leakage could be run on the rod
(as much as it does not affect operating, performance and efficiency)
Any time check items during
operating breaker
● Efficiency and abnormal working of breaker
* Irregular blowing is occurred
* Abnormal blowing sound is occurred
* Pipes and hoses are shaken extremely
After 1Hr operating ● Grease pumping(about 20cc after 1hr operating)
- About 5~10 times pumping with grease gun
* Rod friction area : Ring bush, Front cover, Rod pin
● Quantity and contamination degree of working fluid(Refill or replace)
* Contamination limit : 20~40cst
● Examining wear of consumable parts
(Grind the area deformed if necessary)
* Rod pin
* Ring bush
* Front cover
● Remove strange material inside of front head
● Check the gas pressure and refill
* Back head
* Accumulator
Every week
(Every 50hr operating)
● Whether all kinds of bolts are fastened by regulated torque
● Operating pressure of breaker
● Relief setting pressure of hydraulic circuit
● Supply flow
Every month
(Every 200 Hr operating)
● Replace oil filter of carrier
● Replace seal kit
● Replace diaphragm of accumulator
● Examine if piston is pressed or deformed
Every 3month
(Every 500 ~ 1000
operating)
● Examine if hydraulic parts are scratched if necessary grind and repair
them
● Sufficient greasing
* Rod, Rod pin, Front cover, Ring bush
● Lubricate piston surface
● Remove N2 Gas
* Back head
* Accumulator
Hold breaker over 1month
● Paint area fallen off
After under water operating ● Clean and grease after dissemble all parts of main body
* The maintenance related with carrier follows carrier manufacturer rule
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