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AQUA 1320R (1450 об/мин)
Инструкция по эксплуатации Страница: 29

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HAWK
AQUA 1320R (1450 об/мин)
Инструкция по эксплуатации Страница: 29

HAWK AQUA 1320R (1450 об/мин) — руководство по эксплуатации и устранению неполадок насосов [29/31]

Превью страниц Страница 29 / 31

Instructions Manual

Motorpumps

Cod. doc. M.I. EP-18

Issue 0

Page 29 of 31

This Manual remains the property of the Manufacturer; it may not be reproduced or copied, even partially.



Check the condition of bearings, giving particular attention to any unusual noises or vibration.

For other maintenance, comply with any other instructions and/or procedures in use at the company or

described in the operating manual of the final machine (high pressure cleaner).

You must find the cause of any abnormality and remedy it before the machine can be put back into

operation. Contact the Manufacturer before undertaking any other maintenance (not described in this

manual or its attachments).

7 TROUBLESHOOTING

7.1 Trouble Shooting

Only authorised and qualified personnel may attempt troubleshooting.

This section suggests some solutions to common problems or malfunctions that may occur.

Some of the suggested solutions may be carried out by experienced personnel; others should only be attempted by Authorised

Service Centres as they require the use of specific tools as well as detailed knowledge of repairs.

Contact the Manufacturer for instructions if any faults are found on the machine or its parts and you are

unable to solve the problem.

PROBLEMS

POSSIBLE CAUSES

SOLUTION

The pump runs but does not

produce noise or pressure

The pump is not primed and is running dry

Check if there is water in the suction line

Check if the delivery line (gun) is open

Check the valves are NOT blocked

The pump runs but is too noisy

and/or does not reach the

expected pressure

Oversized or worn nozzle

Insufficient water supply

Replace the nozzle

Clean the filter. Replace the filter with an

appropriately sized filter.

Eliminate any possible intake of air.

Check the size of the suction pipe and replace with

a larger diameter pipe, if necessary.

Pressure control valve is not calibrated or

working properly.

Calibrate the valve.

Worn piston seals

Check the status of the seat of the seal.

Replace the seals

Low speed of rotation

Check the motor and the drive

The pump comes up to pressure

but pulsates and vibrates strongly

Foreign matter in the valves

Clean the valves

Worn valves

Replace the valves

High inlet water temperature

Reduce the water temperature

Worn piston seals

Replace the seals

The pump is very noisy

Worn bearings

Replace the bearings

High inlet water temperature

Reduce the water temperature

Pump-motor coupling problems

Check the status of the keys, flexible coupling or

pulley

Short piston seal life

Cavitation or air in the system

Check the state and size of the suction pipe and

replace with a larger diameter pipe, if necessary.

Damaged ceramic piston

Replace the piston

Excessive pressure and / or temperature

of the pumped water

Check the pressure and the temperature of the

inlet water

HAWK AQUA 1320R (1450 об/мин) — руководство по эксплуатации и устранению неполадок насосов [29/31]

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