Bertolini CHX Series Istruzioni operative

PISTON PUMPS

CHX Series

Via F.lli Cervi 35/1 42124 REGGIO EMILIA - ITALY

Operation,

maintenance and

repair manual

CHX Series

Pumps

Reggio Emilia - Italy

MANUFACTURER IDENTIFICATION DATA:

Manufacturer: IDROMECCANICA BERTOLINI S.p.A.

Address: Via F.lli Cervi 35/1

42124 REGGIO EMILIA - ITALY

Tel. +39 0522 306641 Fax +39 0522 306648

E-mail: email@bertolinipumps.com

Internet: www.bertolinipumps.com

Release: July 2018

Revised on: 1 June 2019

“BERTOLINI” thanks you for your preference. The product you have purchased is the

result of the most modern technology and has been manufactured with materials able to

ensure the best quality, durability and functionality.

Thank you for your confidence in us.

Please read this manual carefully and always keep it within easy reach. You will find it

useful in resolving any problem you may have concerning the characteristics and

functionality of the product.

Thank you for having chosen “Bertolini”

We at Idromeccanica Bertolini S.p.A.recommend that you read this

operation and maintenance manual before installing and using the pump.

Keep it within easy reach for further reference when required. This manual is

an integral part of the pump itself.

The pump user and plant engineer are obliged to know and comply with the pertinent laws

in force in the country where the pump is used. They are also required to follow the

instructions in this manual with care.

TABLE OF CONTENTS

1-GENERAL SAFETY REGULATIONS..................................................................................................5

2-DESCRIPTION OF THE PRODUCT ....................................................................................................6

3-TECHNICAL FEATURES .....................................................................................................................7

3.1 Identification of components.................................................................................................................... 8

3.2 Instructions for use.................................................................................................................................... 9

4-INSTALLATION...................................................................................................................................10

4.1 Pump connection to the frame ............................................................................................................... 10

4.3 Pump-motor coupling ............................................................................................................................. 10

4.3 V-belt transmission ................................................................................................................................. 11

4.4 Hydraulic connections ............................................................................................................................. 11

4.5 Filtering and feeding circuit .................................................................................................................... 12

4.6 High pressure circuit................................................................................................................................ 13

4.7 General installation layouts .................................................................................................................... 14

5- SAFETY AND FAULT PREVENTION DEVICES .............................................................................16

5.2 Fault prevention ...................................................................................................................................... 16

5.2 A) Protection against overpressure.................................................................................................... 16

5.2 B) Protection against abrasive particles ............................................................................................. 16

5.2 D) Protection against overheating...................................................................................................... 19

5.2 E) Protection against insufficient or no water supply........................................................................ 19

5.2 F) Energy saving / correct use of the pump........................................................................................ 19

6- FAQ .....................................................................................................................................................21

7- PUTTING INTO SERVICE .................................................................................................................22

7.1 Start-up .................................................................................................................................................... 23

7.2 Use ........................................................................................................................................................... 23

7.3 Leaking water from the gaskets.............................................................................................................. 23

7.4 How to stop the pump ............................................................................................................................ 23

8- TROUBLESHOOTING .......................................................................................................................24

9- WARRANTY .......................................................................................................................................25

10- ROUTINE MAINTENANCE..............................................................................................................26

10.1 Maintenance of drive mechanism and lubrication .............................................................................. 26

10.2 Hydraulic circuit maintenance……………………………………………………………………………………………………………27

10.3 Disassembly of head and sleeves ......................................................................................................... 27

10.4 Replacement of the suction and delivery valves.................................................................................. 28

10.4 A) Suction valves ............................................................................................................................... 28

10.4 B) Delivery valves .............................................................................................................................. 29

10.5 Replacement of high-pressure gaskets................................................................................................. 30

10.6 Complete re-assembly of the suction-delivery valves ......................................................................... 31

10.7 Replacement of low-pressure gaskets.................................................................................................. 32

10.8 Replacement of pistons......................................................................................................................... 33

10.9 Re-assembly of head and sleeves ......................................................................................................... 34

10.10 Replacement of shaft oil retainers ..................................................................................................... 36

10.11 List of tools required for repairs ......................................................................................................... 37

MANUFACTURER’S DECLARATION..................................................................................................38

a) This manual conforms to the state-of-the-art applicable at the time the product was

marketed and cannot be considered inadequate solely because it was updated on the

basis of new experience. IDROMECCANICA BERTOLINI S.p.A. is entitled to update

the products and relative manuals without being obliged to update previous products and

manuals, except in cases where this is required for exclusively safety reasons.

b) The “Bertolini Technical Service” is at your disposal for any requirement as may arise

when the product is used or serviced, or when relative accessories must be chosen.

c) No part of this manual may be reproduced without the written permission of

IDROMECCANICA BERTOLINI S.p.A.

The high energy produced by the high-pressure jet is a source of serious danger.

The pump must only be used by specifically trained personnel.

The high-pressure pipes must be type-approved for the permissible maximum

pressure of the installation and equipped with unions mechanically crimped by the

manufacturer. The maximum temperature and overpressure must be stamped on

them as well as the name of the manufacturer and date of manufacture.

Always check the conditions of the installation before beginning work.

More specifically, check the conditions of the high-pressure pipes and unions. Make

sure that the trigger of the gun functions smoothly, without jerking, and that it

immediately returns to its original position when released.

Never use a defective high-pressure pipe and do not attempt to repair it. Replace it

immediately with an original spare.

Keep children and animals well away from the system when it is operating.

The system must be installed on a stable, sound, secure base.

Wear protective goggles when using the system.

Always hold the spray gun with both hands when it is operating.

Do not point the jet towards people, animals or fragile objects in general.

Do not spray onto electrical equipment, electric power sockets or in their immediate

vicinity.

Keep all parts of the body well away from the pressurized jet.

Only use a fan spray to clean delicate surfaces and keep the nozzle at least 75 mm

away.

If the system is operated by an internal combustion engine, make sure that the

installation area is adequately ventilated. EXHAUST GAS FUMES CAN BE LETHAL!!!

All moving parts, especially the transmission components, must be adequately

protected against accidental contact.

Do not use the machine for cleaning surfaces containing asbestos.

Strictly comply with the laws in force governing the disposal of substances that detach

from the surfaces through the action of pressurized jets.

Idromeccanica Bertolini declines all civil or criminal liability for damage or accidents to persons or

things deriving from failure to comply with even only one of the aforementioned safety regulations.

1-GENERAL SAFETY REGULATIONS

Bertolini high-pressure piston pumps are suitable for use with clean water at a maximum

temperature of 60°C.

Contact the “Bertolini Technical Service”if particularly corrosive additives and higher

temperatures are used.

The pump must be used in compliance with the specifications given on the data plate (fig.

1). Removal of the data plate will void all forms of warranty.

As soon as the pump arrives, make sure that the data plate is similar to the one depicted

below.

The data plate gives the following information:

1. Pump model

2. Serial number

3. Maximum permissible pressure in bars

4. Maximum permissible pressure in P.S.I.

5. Flow rate in l/min

6. Flow rate in US GPM

7. Rotational speed

8. Power consumption of pump in kW

Never exceed the maximum pressure and rpm rate indicated on the

data plate.

If the data plate becomes worn or illegible during use of the pump, contact the

dealer or an authorized assistance center and have it replaced.

2-DESCRIPTION OF THE PRODUCT

PUMP CHARACTERISTICS CHX SERIES

PUMP

MAX motor

rpm

FLOW RATE

at max

pressure

MAX

PRESSURE

POWER trans. to shaft at

Shaft

PISTONS

MODEL CODE

MAX pressure and flow rate

rpm

l/min

GPM

bars

PSI

No.

Ø mm

CHX 13-1000 74.1035.97.3

750 17 4.4 1000 14500 32.9 44.1

1“3/8 DIN

9611

3 14

CHX 24-1000 74.1036.97.3

750 18.8 5 1000 14500 36.9 49.5 3 15

CHX 21-1000 74.1030.97.3

1000 21.2 5.6 1000 14500 41.7 55.9

Ø 40

3 14

CHX 25-1000 74.1037.97.3

1000 24.4 6.4 1000 14500 47.9 64.2 3 15

3-TECHNICAL FEATURES

3.1 Identification of components

1. Crankcase

2. Oil fill plug with level dipstick

3. Eyebolt for lifting

4. Head or pump body

5. Delivery duct

6. Suction duct

7. Bearing supports

8. Pump shaft

9. Identification plate

10. Oil level plug

11. Oil drain plug

12. Drain pipe union

3.2 Instructions for use

•The pump is exclusively designed for:

–Use with clean water at temperatures between +4°C and +60°C for non-food

purposes.

–Use of detergents in a watery solution.

•The pump cannot be used with:

–Watery solutions with viscosity and density values exceeding those of water;

–Chemical solutions of which compatibility with the materials with which the pump

is made is not known;

–Sea water or water with a high concentration of salt;

–Fuels and lubricants of all kinds and types;

–Inflammable liquids or liquefied gases;

–Food-grade liquids;

–Solvents and diluents of all kinds and types;

–Paints of all kinds and types;

–Liquids at temperatures lower than 4°C or higher than 60°C;

–Liquids containing granules or solids in suspension.

•The pump must not be used for washing: persons, animals, electrical equipment,

delicate objects, the actual pump itself or the system in which it is installed.

•The pump must not be used in places where there are particular conditions, such as

corrosive or explosive atmospheres, for example.

All other use is considered improper.

The manufacturer shall not be liable for any damage deriving from improper or

incorrect use.

The pump is supplied with oil type SAE 80W - 90. Use a product with the same

characteristics if the oil must be changed or topped up.

Bertolini pumps comply with the safety regulations laid down by standard EN 809 and are

designed to be coupled, either directly or via a transmission, to an electric, heat or hydraulic

motor.

The machine or system of which the pump is a part must be constructed in

accordance with good engineering practice and with the safety regulations in

force in the country in which the machine itself is installed.

In Europe, this condition is testified by the CE mark and by the declaration of

conformity provided by the machine manufacturer.

Correct installation is a key factor for the smooth running and long life of the

pump. 90% of faults and failures are caused by:

•Incorrect pump-motor coupling.

•Incorrect sizing or poor construction of the feeding circuit.

•Poor quality or incorrect calibration of the maximum pressure or bypass valve.

Idromeccanica Bertolini declines all liability regarding failure to comply

with the following instructions:

4.1 Pump connection to the frame

The system must be installed on a stable, sound, safe base using the six M14 holes at the

base of the crankcase.

4.3 Pump-motor coupling

The manufacturer of the system is responsible for choosing and correctly

sizing the drive system, also in relation to the risks to people that the chosen

system could cause.

When connecting to electric motors, comply with the instructions given by standard

EN60204.1 against risks of an electrical nature.

To prevent their accidental contact with parts of the body, all moving components that

transmit motion from the motor to the pump must be adequately protected, as

specified in Machinery Directive 2006/42/EC or according to the regulations in force in

the country of use.

If the pump shaft has a double prime mover, the unused one must be suitably

protected.

If the transmission or shaft protection is damaged or breaks, stop the system

immediately and have it checked by a specialized technician.

Do not touch the shaft protection with the hands or feet during use.

4-INSTALLATION

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