Maintenance, inspection and repair
3 – 1
MAINTENANCE, INSPECTION AND REPAIR
A hydraulic breaker is an attachment of a hydraulic excavator or the like. Therefore not only the
inspection and repair mentioned in this manual but also those for the base machine (hydraulic
excavator, etc.) are very important. Read the instruction manual fully and carry out inspection and
repair accurately to use a hydraulic breaker safety and efficiently.
Periodical inspection and repair
n
nn
n Monthly inspection
Ask the distributor for an inspection once a month to prevent troubles and to use a hydraulic breaker
safety.
n
nn
n Yearly inspection
Bring your hydraulic breaker to the distributor and ask for an inspection and repair once a year to
prevent troubles and to use a breaker safety. Shorten the intervals according to the contents or
conditions of work, and you will prevent troubles.
Parts Check points Standard of judgment
Description Method
Cylinder (1) No oil leakage. Visual
Accumulator (1) The charge gas pressure must be
within the specified value.
(2) No oil leakage.
(3) The torque of mounting bolt must
be proper.
Measure the
pressure.
Visual
Check the torque.
Breaker
main
body
Front
head
group
Front bush
Rod pin
(1) The wear amount must be within
the specified value. 1)
(2) Every part must be grassed fully.
Measure the wear
amount.
Visual
Rod (1) The effective length must be proper.
2)
(2) No damage.
(3) The wear of shank must be minimized.
Measure the
length.
Visual
Visual
Through bolt (1) No bolt must be loosened, and the
tightening torque must be proper.
Check the looseness
and torque.
Top bracket (1) No crack and damage. Visual
Bracket
T-box
B-box bracket
Side bracket
Bolt (1) No bolt must be loosened, and the
tightening torque must be proper.
Check the looseness
and torque.
To Next Page
Loading...