EN
30
916.269.264_008
HMC
7.3
The couplers do not stay connected
/i
7.4
The tool is not operating or no longer operating satisfactorily
/i
The tool and/or hose are under pressure. This can
happen due to temperature fluctuations during
storage and transport.
Use the pressure relief tool to release the
pressure.
The pump is under pressure.
Set the pressure relief valve on the pump in the
"neutral" position.
The female coupler is faulty.
Have it repaired by a Holmatro Certified
Technician.
The couplers are not placed properly in line with
each other for connecting.
Position both couplers properly in line with each
other and press them together in one smooth
action.
The couplers are not properly placed in line with
each other for disconnecting.
Support and guide the male coupler when
disconnecting.
The snap ring of the female coupler is blocked by
dirt.
Check the snap ring of the female coupler and
clean it.
Possible cause
Solution
The external ring jams during connecting.
Hold the hose at the bending restriction during
connecting.
The locking mechanism in the female coupler does
not work.
•
Clean the female coupler with clean running
water.
•
Dry it and threat the inside of the external ring
with preservative oil.
•
Place and remove the dust cap repeatedly
until the external ring springs back.
The female coupler is faulty.
Have it repaired by a Holmatro Certified
Technician.
Possible cause
Solution
One or more couplers are not connected properly. Disconnect and reconnect the coupler(s).
The pressure relief valve on the pump is in the
"neutral" position.
Set the pressure relief valve on the pump to the
"operation" position.
There is no oil left in the pump.
Add hydraulic oil.
There is air in the 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.
The change-over valve on the pump is in the
wrong position (if present).
Set the change-over valve to the correct position.
The pump does not build up any pressure.
See the user manual of the pump.
Possible cause
Solution
Summary of Contents for HMC 8 U
Page 4: ...4 916 269 264_008 HMC Fig 3 1 9 2 8 8 6 4 3 3 8 5 4 8 5 7 3 10...
Page 186: ...ZH 186 916 269 264_008 HMC 1 1 1 1 2 1 3 i 1 4 1 5 1 5 1 1 6 1 7...
Page 187: ...ZH HMC 916 269 264_008 187 1 8 CE 2 2 1 2 2 1 i A 920 299 567 B 920 299 572...
Page 188: ...ZH 188 916 269 264_008 HMC 2 3 2 4 2 5 2 6 IEN ISO 12100 C CE...
Page 192: ...ZH 192 916 269 264_008 HMC 5 1 3 5 2 5 2 1 5 2 2 4 5 2 3 5 5 3 5 3 1 5 3 2 6 0 0...
Page 193: ...ZH HMC 916 269 264_008 193 5 3 3 7 5 4 5 4 1 5 4 2 8 5 4 3 9 1 2 3 4 0 0...
Page 195: ...ZH HMC 916 269 264_008 195 7 7 1 7 2 i 7 3 i 7 4 i 8 8 1...
Page 198: ...ZH 198 916 269 264_008 HMC 8 5 1 7 8 6 9 NBR...
Page 199: ...HMC 916 269 264_008 199 i Fig 4 Fig 5 Fig 6 Fig 7 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4...
Page 200: ...200 916 269 264_008 HMC Fig 8 Fig 9 Fig 10 Fig 11 Fig 12 Fig 13 1 2 3 4 1 2 3 4 2 1 2 1 2 1...
