| TROUBLE |
CAUSE |
REMEDY |
1. Breaker fails to Hammer
(1) Sufficient high pressure
oil does not flow to
breaker inlet.
(2) Sufficient high pressure
oil flows to breaker
inlet.
|
(a) Defective hose or pipes
* Clogged or demaged piping
(b) Defective control valve and
related parts
* Missing or damaged tie Tool or
control cable
(c) Insufficient hydraulic oil
(d) Internal breaker defects
|
(a) Check, clean and repair piping
or replace with new ones.
(b) Check and repair valve and its
related parts or replace with
new ones.
(c) Refill the oil tank.
(d) Consult with our service station.
|
2. Breaker hammer with
hamering force reduced.
(1) Sufficient high pressure
oil does not flow to
breaker inlet.
(2) Sufficient high pressure
oil flows to breaker
inlet.
|
(a) Defective hose or pipes
* Clogged or damaged piping
(b) Defective control valve and
related parts
* Deformed pedal
* Deformed control valve
* Stuck control valve
* Insufficient control valve
stroke due to loose screws
(c) Clogged filter in return line of
base machine tank
(d) Insufficient hydraulic oil
(e) Contaminated or deteriorated
hydraulic oil
(f) Defective pump
(g) Internal breaker defects
* Entry of containated articles
(h) Decrease in N2-gas sealing
pressure of Back-Head
|
(a) Check, clean and repair piping
or replace with new ones.
(b) Check control Valve and
related parts or replace with
new ones.
(c) Clean or replace.
(d) Refill
(e) After flushing tank, change
oil entirely
(f) Ask service station for base
machine service.
(g) Consult with our service station.
(h) Adjust the gas pressure
reffering to Chpt. 9, 10
|
3. Hammering force plumments
suddenly and high pressure
hose vibrates excessively
during operation.
|
(a) Defective Back-Head
* Gas leakage
|
(a) Ask our service station for
repairs
|
4. Excessive oil leakage from
front head or Tool.
|
(a) Worn cylinder seals
|
(a) Ask our service station for
repairs
|
5. Piston works but does not
hammering.
|
(a) Stuck Tool
|
(a) Remove front parts and pull
out Tool and check it.
|
