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6.4.3
Cleaning and storage
•
Clean the pump and any accessories before storage.
•
Clean the couplers and dust caps. Make sure the dust caps are installed.
•
Dry the pump if it was used in wet conditions. Use additional preservatives on the external steel
parts.
•
Store the pump horizontally in a dry, 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
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 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.
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.
30
Solution
Clean the couplers.
Use the pressure relief tool to release the
pressure. Refer to section 5.4.
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
Hold the hose at the bending restriction during
connecting.
•
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.
Have it repaired by a Holmatro Certified
Technician.
916.000.192_003
HTW/FTW/HTT
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