Troubleshooting; The Couplers Do Not Connect Or Disconnect; The Tool Does Not Work Or Does Not Work Properly; The Tool Leaks Oil From The Safety Valve - Holmatro HMJ 10 S 15 U Manual Del Usaurio

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Troubleshooting

7.1 General
Consult the Holmatro dealer if the listed solutions do not give the desired result, or in case of other
problems. For malfunctions or repair, always specify the model and serial number of the equipment.
7.2

The couplers do not connect or disconnect

/i
Possible cause
There is pressure in the system.
The couplers are dirty on the front.
The tool and/or hose are under pressure. This can
happen due to temperature fluctuations during
storage and transport.
The pump is under pressure.
The female coupler is faulty.
The couplers are not placed properly in line with
each other for connecting.
The couplers are not properly placed in line with
each other for disconnecting.
The locking ring of the female coupler is blocked
by dirt.
7.3

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.
The pressure relief valve on the pump is in the
pressure relief position.
The pump does not build up any pressure.
7.4

The tool leaks oil from the safety valve

/i
Possible cause
Check all couplers.
HMJ
Solution
Set the pump in its neutral/release position.
Clean the couplers.
Use the pressure relief tool to release the
pressure.
Set the pump in its neutral/release position.
Have it repaired by a Holmatro Certified
Technician.
Position both couplers properly in line with each
other and press them together in one smooth
action.
Support and guide the male coupler when
disconnecting.
Check the snap ring of the female coupler and
clean it.
Solution
Add hydraulic oil.
Set the pressure relief valve on the pump to the
operation position.
See the user manual of the pump.
Solution
Disconnect and reconnect the couplers
916.219.121_006
EN
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