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7.3
The couplers do not stay connected
/i
Possible cause
The external ring jams during connecting.
The locking mechanism in the female coupler does
not work.
The female coupler is faulty.
7.4
The tool does not work or does not work properly
/i
Possible cause
One or more couplers are not connected properly. Disconnect and reconnect the coupler(s).
There is no oil left in the pump.
There is air in the system.
The pressure relief valve on the pump is in the
pressure relief position.
The pump does not build up any pressure.
7.5
The tool leaks oil from the return line safety valve
/i
Possible cause
The return line is not connected.
7.6
The cutting performance is poor
/i
Possible cause
The blades are damaged.
Check the tightening torque of the cutter bolt
7.7
The deadman's handle is jammed or does not return automatically to the
neutral position
/i
Possible cause
The deadman's handle is damaged.
The deadman's handle is stuck (in any position).
The deadman's handle is faulty.
32
Solution
Hold the hose at the bending restriction during
connecting.
•
Clean the female coupler with clean running
water.
•
Dry it and treat the inside of the external ring
with preservative oil.
•
Place and remove the dust cap or male
coupler repeatedly until the external ring
springs back.
Have it repaired by a Holmatro Certified
Technician.
Solution
Add hydraulic oil.
•
Disconnect the hoses from the tool and
connect them to each other.
•
Let the pump run idle for one minute.
•
Disconnect the hoses and connect the tool.
•
Open and close (entirely) the tool once.
Set the pressure relief valve on the pump to the
operation position.
See the user manual of the pump.
Solution
Connect the return line.
Solution
Have them replaced by a Holmatro Certified
Technician.
It must be 50 Nm.
Solution
Have it repaired by a Holmatro Certified
Technician.
916.000.375_003
ICU 40
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