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 (only for the dual-hose
system).
The pressure relief valve on the pump is open
(only for the CORE™ system).
The change-over valve on the pump is in the
wrong position (only for the dual-hose system if
present).
The pump does not build up any pressure.
XR4360 (C)
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
Replenish the oil.
CORE™ system:
•
Disconnect the hose from the tool.
•
Let the pump run idle for one minute.
•
Connect the tool.
•
Open and close (entirely) the tool once.
Dual-hose system:
•
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.
Close the pressure relief valve by using a
screwdriver to turn it anti-clockwise as far as the
stop.
Set the change-over valve to the correct position.
See the user manual of the pump.
916.000.966_006
EN
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