Troubleshooting
2 – 22
Situation Cause Correction
(II)High-pressure oil is
supplied sufficiently to the
oil inlet of the breaker
(III) The number of blows
increased
(f) Failure of the inside of
cylinder
• Entry of foreign substances
(f) Ask the distributor for an
overhaul
3. The hammering force
weakens and hose
vibration becomes
greater
(a)The accumulator of the
breaker body is defective
• Gas leakage
• Breakage of diaphragm
• The adjuster for adjusting
the hammering force is
opened
(a)Ask the distributor for an
overhaul.
• Fill the gas or replace the
diaphragm
• Adjust the number of blows
according to the procedure,
p.3-13
4. Oil leakage from the front
head or rod becomes
worse
(a)Abrasion of the cylinder
seal
(a)Ask the distributor for an
overhaul
5. The piston is operating but
hammering operation is
unavailable.
(a)Galling of rod
(a)Remove the front section,
remove the rod, and make
correction with a buff or oil
stone
6. The play between the
breaker body and T-box
becomes large and the
noise increases
(a)Breakage of respective
dampers
(a)Replace dampers
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