Holmatro HWC Serie Manual página 33

6.4.2 Inspection
• Check the cutters for completeness, oil leaks and damage. Do not use the cutters if it leaks or is
damaged and contact the Holmatro dealer.
6.4.3 Cleaning and storage
• Clean the equipment and the used accessories before storing them.
• Clean the coupler(s) and make sure the dust caps are mounted.
• Dry the equipment if it was used in wet conditions. Rub a light layer of WD-40 preservative oil on the
steel parts.
• Store the equipment in a dry and well-ventilated area.
7 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.
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 snap ring of the female coupler is blocked by
dirt (single-hose coupler only).
The female coupler is faulty.
7.3 The couplers do not stay connected
/i
Possible cause
The external ring jams during connecting.
HWC/HCC
Solution
Set the pump in its neutral/release position.
Clean the couplers.
Use the pressure relief tool to release the
pressure. Refer to chapter 5.4.1.
Set the pressure relief valve on the pump to the
relieve 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 and fasten.
Support and guide the male coupler when
disconnecting.
Check the snap ring of the female coupler and
clean it.
Have it repaired by a Holmatro Certified
Technician.
Solution
Hold the hose at the bending restriction during
connecting.
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