maltech M5-Eco Maintenance Manual

USE AND MAINTENANCE MANUAL

PLASTER SPRAYER

M5 - Eco

M a l t e c h G m b H - S r l

I-39040 Freienfeld – Campo di Trens (BZ)

Gewerbezone Reifenstein 15

Zona Artigianale Reifenstein 15

Tel. [phone] Fax [phone]

ITO1449180213

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M5 – Eco CE

INTRODUCTION

Dear Client!

Thank you for your choice. With the purchase of this Maltech
plaster sprayer you have chosen one of the most modern
machines in the sector, guaranteeing you high performance and
impeccable quality.

The M

ALTECH M5 - Eco series plaster sprayer is suitable for all types

of use both internally and externally. With this machine it will be
possible to carry out plastering work internally and externally, rustic
finish, insulating plastering, and ready and self-levelling mortar for
floors.

The present manual contains all the use and maintenance
instructions relating to the machine. Careful observation of the
following regulations guarantees impeccable functioning and
durability of the plant.

We also recommend reading the present manual
carefully for reasons linked to safety and the prevention
of accidents.

For problems possibly not treated by the present manual call our
representative who can give you all the necessary information.

Important

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M5 – Eco CE

CONTENTS

I

N T R O D U C TI ON ................................................................................................... 2

C

O N T E N T S ............................................................................................................ 3

G

U A R A N T E E A ND MO D I F I C A T I O N S ................................................................4

R

E G U L A T I O N S REL AT I NG T O T H E U S E A N D MA IN TE N A N C E M A N U A L ......5

G

E N E R A L S A FET Y RE G U L A T I O N S .....................................................................7

T

E C H N I C A L D AT A .............................................................................................13

R

A N G E O F N O R MAL U SE ................................................................................14

T

R A N S P O R TING .................................................................................................15

D

I S M A N T L I N G ....................................................................................................16

F

I R S T S T A R T -UP ..................................................................................................17

S

T A R T I N G -UP .....................................................................................................19

U

S E ...................................................................................................................... 26

E

N D I N G W O R K A ND CL EA N I N G ....................................................................28

M

A I N T E N A N C E ..................................................................................................32

S

O L V I N G P R O BLE MS ........................................................................................ 34

S

P A R E P A R T S .....................................................................................................35

D

I S P O S A L A N D DEM OL I T I O N ......................................................................... 35

A

S S I S T A N CE ....................................................................................................... 35

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M5 – Eco CE

GUARANTEE AND M O D I F I C A T I O N S

Guarantee

MALTECH offers a guarantee of a year from delivery of the apparatus for
the single production machine, as established by law.

For the validity of the guarantee the client must supply proof of the date of
purchase (e.g. the receipt).

The guarantee includes the dispatch of the component recognised as
defective and its replacement if the fault is due to recognised defects of
the materials or manufacture.

The MALTECH machines are covered by insurance for damage to things
or people. The purchaser accepts the impossibility of claiming any
compensation for damage for the following:

- Production accidents

- Loss or profit from sale.

The costs of dispatch and transport and possible taxation due to
importation will be, where there has not otherwise been an agreement in
writing with the manufacturer, at the expense of the purchaser.

The guarantee loses its validity in the following cases:

- Insufficient care by the user (failure to clean);

- Incorrect or inappropriate use of the machine;

- In the case of failing to observe the use and maintenance instructions
and the safety regulations indicated in the present manual;

- In the case of modifications made by the client or third parties;

- In the case of the installation of non-original spare parts;

- In the case of exceeding the capacity limits indicated in the technical
data;

- In the case of connection to unstable electric power (with fluctuations
of current).

MALTECH recognises its responsibility for damage caused during normal
use of the machine or caused by its possible breakdown, except when
these events are later verified as due to the failure to observe the
instructions contained in the present manual.

Possible damage occurring during transport up to delivery of the machine
is also covered by the guarantee.

Modifications

In relation to the effort for constant improvement of single products,
MALTECH has the right at any moment to make possible modifications to
machines previously produced.

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M5 – Eco CE

REGULATIONS REL A T I N G T O T H E USE AND MAINTENANCE MAN U A L

If the use and maintenance manual of the MALTECH machine
is not understood by the operator because of language
barriers, it will be the responsibility of the owner to offer an
adequate translation of the present use and maintenance
manual to the operator or, alternatively, choose a different
operator.

The present use and maintenance manual is an integral part of the
MALTECH machine and must be conserved in a recognisable place of
easy and rapid access for the operator.

For the remaining risks existing, always in relation to the use in
conformity of the machine, refer to the safety regulations
contained here.

The above-mentioned preventive measures must be fully
observed.

Use and maintenance manual symbols

The following symbols refer to particularly important passages in the text.

This symbol refers to particularly important passages in the text
concerning the use and maintenance instructions.

This symbol refers to dangers and relevant references to safety.
The above instructions must be followed carefully!

In the case of failure to observe them it is possible that the
operating personnel or workers in the vicinity will be in danger
of their health or accidents.

This symbol refers to recommendations by the manufacturer.

Recomm.

ATTENTION

Important

ATTENTION

Recomm.

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M5 – Eco CE

Symbols on the machine

The following symbols (references or also pictograms) are applied to the
machine and indicate dangerous areas and situations. These references
(pictograms) must be kept clean and immediately replaced in case of
defacement or damage.

Read the manual carefully
before beginning work.

Attention: electrified parts!
Extract the plug from the
socket before possible
direct contacts.

Parts that carry pressure!
Make sure to empty the
pressure from the machine
before possible cleaning or
maintenance work.

Attention: rotating parts!
Avoid performing
cleaning or maintenance
work with the machinery
in movement and without
adequate protection.

If using a lifting device for
transport, it is necessary to
use the reference points
envisaged and, if
necessary, marked.

Positions of the pictograms at the machine.

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M5 – Eco CE

GENERAL SAFET Y R E G U L A T I O N S

The following general safety regulations and the information contained in
the present manual need to be followed completely to guarantee safe
functioning and to avoid damage near the machine.

Failure to observe them can lead to damaging the plant or danger to
people.

The above-mentioned aspects are to be considered as additional to the
references present in the manual.

It is above all a matter of your safety!

General

Before eventually starting work with the MALTECH machine it is necessary
to read and fully understand the content of the general safety regulations
and the use and maintenance manual.

If, after reading, specific points are not clear or problems arise not treated
in the use and maintenance manual, please call the manufacturer
immediately who will provide all the relevant explanations.

MALTECH as manufacturer of the MALTECH machine does not accept
responsibility in the case of modifications made to the plant to whom the
machine has been sent.

Possible modifications to the plant must be performed by the manufacturer
or by those approved in writing.

MALTECH declines any responsibility for damage or possible accidents
due to incorrect use, insufficient maintenance or the use of non-original
spare parts.

The present use and maintenance manual is an integral part of the
MALTECH machine and must be conserved in a recognisable place of
easy and rapid access for the operator.

For the remaining risks existing, always in relation to the use in conformity of
the machine, refer to the safety regulations contained here.

The above-mentioned preventive measures must be fully observed.

Working clothes

Always wear suitable working clothes.

Accident prevention shoes/ Protective helmet

Wear accident prevention shoes and protective helmets during
all uses of the machine.

Danger of being cut

The bag-breaker is to be considered a dangerous area.
Technical preventive measures are not possible because of
restrictions to the function. Protective gloves must be worn while
using the machine to avoid possible cuts.

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M5 – Eco CE

Protective goggles

Protective goggles must be worn during working to protect the
eyes from possible spurts of material.

Pollution from dust

An increase in pollution from dust may take place while filling the
machine. Use suitable masks with an anti-dust filter (according to
the material assigned).

Protecting hearing

Although the MALTECH machine does not produce excessive
noise pollution, we recommend using suitable hearing
protection in the building yard.

Sprayer

The sprayer must not be directed at people or dangerous
objects.

Pictograms

In the case of lack of clarity or loss of symbols or pictograms
installed on the plant (indications of danger or relative to suitable
behaviour), the operator must immediately replace them.

Lighting

The MALTECH machine is delivered without lighting. The operator
must provide for suitable lighting of the work area.

Range of use

The MALTECH machine must be used exclusively for mixing and
pumping ready mortar and plaster for treating interiors and
exteriors indicated by the manufacturer and cannot be
employed for other uses or activities.

Use outside the range of use can cause damage!

In any case it is necessary to pay attention to the preparation
instructions of the material used or to the compatibility of the
material with the movement of the machine.

Electrical power

Only specialised personnel can carry out work on the electrical
plant. Turn the MALTECH machine off immediately in the case of
a fault in the electrical plant. The machine can be connected
only with dispensers of current in conformity with the law.

Fire

In the case of fire in the electricity box do not in any way use
water to extinguish the fire.
Carbon dioxide extinguishers must be available for this possibility.

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M5 – Eco CE

Transport

In case of transporting the components of the plant, it is necessary to make
sure that they are sufficiently protected and that a suitable means of
transport has been chosen with sufficient load capacity. The overall
measurements of the machine can be calculated from the technical data.

Any other means of transporting the MALTECH machine not envisaged by
the manual is absolutely forbidden.

The manufacturer is not responsible for possible damage due to transport
carried out by third parties in dispatching the plant.

The plant can be divided into its single elements for transport. However, the
electricity supply must be separated from the water supply.

Montage

Before mounting, it is necessary to prepare the area according to the
indications of the data in the present manual.

The machine has been conceived to be installed on a flat and stable
base. Any other type of position must be considered an inappropriate use
for which the manufacturer declines any responsibility.

To obtain sufficient stability, the MALTECH machine must not slope. Slopes
in the ground must be flattened out on the basis of the measurements
supplied so that they do not influence the stability of the machine
negatively!

The MALTECH machine must be fixed so that it cannot slide away.

Incorrect or unsatisfactory montage can cause damage to the machine or
to its singular parts and cause grave danger to people! To avoid this, the
operator must keep rigorously to the instructions contained in the use
manual for carrying out a correct montage.

The manufacturer declines any responsibility in the case in which
unauthorised personnel carry out the montage!

The danger of crushing exists during mounting and dismantling due to
lifting and lowering the components.

It is necessary to wear at least accident prevention shoes and
protective gloves during montage. It is necessary to wear a
protective helmet during the loading and unloading phase
whenever a crane is going to be used.

If a crane is used, nobody must stay within the range of action of
the crane’s arm.

The tension and the frequency of the supply cables must be tested before
connecting the MALTECH machine so that they conform to the technical
data of the plant.

Only technicians, on the basis of the data contained in the present use
manual, can carry out cabling the MALTECH machine.
Creating temporary solutions on the electrical plant is rigorously forbidden!

The supply and control cables, other than the water tubing, must be
installed without meeting possible obstacles and on the basis of the
technical data provided in the use manual.

All the protections requested must be worn at the end of the
montage and the first start-up of the plant!

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M5 – Eco CE

First start-up of the machine

It is necessary to read the present manual in detail before starting-up and
using the plant. The regulations contained within must be rigorously kept in
mind.

An incorrect or unsatisfactory start-up can cause damage to the single
components of the plant or be the cause of grave danger to people!

The manufacturer declines any responsibility if unauthorised
personnel carry out the first start-up!

It is necessary to keep the correct direction of rotation of the
pump of the motor! Inverse direction during use can damage
the machine. The exact procedures for the relative adjustment
can be found in the use manual.

If malfunctioning is discovered during the first start-up, this malfunctioning
must be repaired before using the machine. The coordinator is responsible
for the correct and sufficient training of all the operators of the machine.

Access of unauthorised personnel close to the machine during
the first start-up must be forbidden.

Start-up

The MALTECH machine can be used only in a perfect technical state.

All the safety devices must be examined before every new start
to check their efficiency. The use of the machine with defective
or extraneous safety devices is severely forbidden.

Only trained personnel can start the plant. The person in charge must
check the application of the safety regulations at work.

At least one operator must be near the control unit during the starting of
the machine.

During the mixing process it is necessary to check that the material has
been emptied from or placed into suitable containers and that no
damage has been caused by possible loss of material.

The machine must never be used outside its limit of efficiency or in ways
other than those described in the present manual.

The pump can be used only up to a maximum pressure of 40 bars,
otherwise the machine must be converted or hoses for suitable pressure
must be used.

Unauthorised people cannot use the machine.

Never open the electricity box during use in the building yard to carry out
repairs or checks.

Only materials indicated by the manufacturer can be used with the
MALTECH machine and/or it is necessary to pay attention to the
indications of the relative manufacturers on the packaging of the materials
to check their compatibility for use on the machinery. In the contrary case,
materials can possibly damage the plant.

The MALTECH machine cannot be exposed to temperatures below 0°C to
avoid the elements that carry water freezing, because they would dry up.
Operating at temperatures less than 0°C and with frozen elements is
forbidden. Inobservance can cause damage to the plant and danger to
people.

Important

Important

Important

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M5 – Eco CE

The hoses must not have breaks or bottlenecks so that the material
contained can flow freely.

If, in spite of all the procedures having been carried out correctly,
anomalous pressure values exist, put the machine on standby and carry
out a check as indicated in the present manual. Do not make
modifications, check the condition of the rotor and the stator. If the cause
of the problem is not discovered, turn the machine off and have it
examined by an authorised technician.

Make sure that the jet is not directed at people or dangerous objects
during the spraying phase.

After an emergency shutdown, the machine operator must make sure of
the cause of the problem in detail. This problem must be solved before
starting the machine up again to guarantee its correct functioning.

In the case of electrical problems, stops, strange noises or defects in
general, the machine must be immediately turned off at the main switch.

Only competent personnel can be authorised to solve electrical
problems. If the problem is not solved despite the information in
the present manual, turn the machine off and protect it from
possible accidental start-up. Then call the representative of your
zone to receive more detailed information.

Cleaning

Inadequate cleaning or failure to observe the cleaning regulations can
cause damage to the single parts of the machine or danger to people!

Cleaning must take place only with the machine off and in the absence of
electrical power (interruption of supply and protection from accidental
start-ups). The safety devices must not be deactivated or rendered useless.

It is necessary to check on the manometer that the pressure has
been completely emptied out before removing a hose. The
pressurised tubing must be completely emptied, depending
upon the type of hose, as indicated elsewhere in the present
manual.

Only a qualified electrician can carry out cleaning the inside of the
electrical box.

The use of detergents is forbidden to avoid damaging the plant.

Maintenance

Only the relative qualified technical personnel can carry out maintenance
work!

The machine must be turned off during maintenance work,
disconnecting it from the supply, turning the main switch off,
and removing the plug from the socket. The machine must be
protected from possible accidental start-ups!

No maintenance work can be carried out with the plant
functioning.

The safety devices installed on the plant must never be
tampered with. In the case of accidental tampering this
condition must be clearly indicated on the plant (e.g.
defective functioning of the machine). Modifications to the
safety system are not permitted!

ATTENTION

ATTENTION

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M5 – Eco CE

It is necessary to check on the manometer that the pressure has
been completely emptied out before removing a hose. The
pressurised tubing must be completely emptied, depending
upon the type of hose, as indicated elsewhere in the present
manual.

Only qualified electricians can repair damage to the electrical plant.

If damaged or missing parts are revealed during maintenance, these
problems must be solved immediately to guarantee the correct and safe
functioning of the machine.

Periodic maintenance / Repairs

Only the relative qualified technican personnel can carry out periodic
maintenance work!

The machine must be turned off during maintenance work,
disconnecting it from the power, turning the main switch off,
and removing the plug from the socket. The machine must be
protected from possible accidental start-ups!

No maintenance work can be carried out with the plant
functioning.

It is necessary to check on the manometer that the pressure has
been completely emptied out before removing a hose. The
pressurised tubing must be completely emptied, depending
upon the type of hose, as indicated elsewhere in the present
manual.

Repairs carried out in non-conforming ways can cause damage to the
plant and danger to people! The manufacturer declines any responsibility
for repairs carried out in non-conforming ways!

All the safety covers must be applied before re-starting the
machine again!

Spare parts must always conform to the technical standards. This
conformity is guaranteed using original Maltech spare parts. (The use of
non-original spare parts forfeits the guarantee).

If it is necessary to modify the machine, the manufacturer must first
approve these modifications in writing!

The control and safety units cannot undergo any modifications.
The declaration of CE conformity loses its validity.

Deactivating/dismantling

Only qualified technical personnel can dismantle the plant on the basis of
the data supplied in the present use manual!

Apply the safety regulations previously described in paragraphs „Transport“
and „Montage“.

Disposal

The regional regulations relative to the disposal of waste must be observed
in the case of partial or total disposal of the machine.

ATTENTION

ATTENTION

ATTENTION

ATTENTION

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M5 – Eco CE

TECHNICAL DATA

Identification plaque

The type, the model, the series
number and the year of
construction are shown on the
identification plaque.

If the plaque is lost, the
coordinator must replace it!

This data might be requested in the case of orders for spare
parts or requests from clients for assistance.

Capacity data

Level of sound pressure 90 dB (A)

Production capacity about 5–30 lt/min

Max. load distance 30 m

Compressor capacity 220 lt/min

Average water pressure 3 bars

Use tension 400 V

50 Hz

Pump motor 5.5 kW

400 V

50 Hz

Cell motor 0.55 Kw

400 V

50 Hz

Measurements and dimensions

Length 1100 mm

Width 730 mm

Height 1520 mm

Container jet 900 mm

Container capacity about 130 lt

Total weight without
compressor and hoses

170 kg

Mixing pump weight 75 kg

Compressor weight 23 kg

Acoustic pollution and vibrations

Vibrations are measured below the Drop-Out Value (R

v

2.5 mm/s2 R

v(sum)

= <

2.5 mm/s2

The acoustic pollution of the machine (according to the 2003/10/EG
guidelines) is below 80 dB(A). Acoustic pollution near the nozzle is, however,
above 80 dB(A). This is why we recommend that the operator wears
hearing protection.

Important

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M5 – Eco CE

RANGE OF NORMAL US E

The range of normal use of the machine will be described in this chapter.
An analysis of the dangers relative to these uses has been carried out.
Other uses, not described here, are not to be considered part of the range
of normal use, and for which the manufacturer declines any responsibility.

The MALTECH M5-Eco has been designed exclusively for mixing
and pumping ready mortar and plaster and must not be used
for non-conforming uses or activities.
Only specific ready mortar and plaster that the manufacturers
have indicated on the packaging as compatible with the use
of the machinery can be used exclusively.

The coordinator must make sure that the machine is not used erroneously.

Restrictions on the group of operators

Only adults who have been instructed in its functioning (training by the
responsible person) and who have read and understood the present use
and maintenance manual are allowed to use and maintain the MALTECH
machine.

The responsible person must document the completed trainng!

 Only prepared personnel can operate the plant. The

responsible person must check the application of the
safety regulations on the work.

 At least one operator must be close to the control unit

while operating the machine.

 Unauthorised people cannot use the machine.

 The electrical box must remain closed and the key kept

elsewhere.

The operator must be aware of the national and/or regional operative
procedures and the regulations for official authorisation of the plant before
starting-up and using the MALTECH machine.

Important

ATTENTION

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M5 – Eco CE

TRANSPORTING

One of the amazing characteristics of the MALTECH M5-Eco plaster
sprayer is the simple handling, obtained thanks to light, but at the same
time robust, construction materials.

The MALTECH machine can be transported both complete and
dismantled into its single segments.

Useful handles have been installed on the four
sides of the machine for transporting the
complete machine without having to dismantle
the motors.

The mixing chamber, the support with the material container and the
possible cell disc will be dispatched separately when transporting the
machine in single segments.

In both cases some parts of the machine (sprayer, compressor, etc….)
must be dismantled. Refer to the instructions in the „DISMANTLING”
paragraph for this.

If a lifting device is used for transporting, the anchoring points to use are
indicated by

(A).

Fixing the anchoring points to other parts is strictly forbidden!

Use only the relative lifting points to lift the machine! Take the
weight and the dimensions of the machine into account.

If the machine is transported on a means of transport, this must
be suitably blocked! Take the weight and the dimensions of
the machine into account.

A

A

ATTENTION

ATTENTION

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M5 – Eco CE

DISMANTLING

Description of the points needed for dismantling the machine into its single
parts.

First turn off all the function keys and the switches on the electrical box.
Then remove all the possible electrical power connections.

Check that the sprayer and the hoses have been properly cleaned.

In the case of particularly resistant dirt and incrustations the
machine must be cleaned according to the instructions in the
„ENDING WORK and CLEANING“ paragraph and the
incrustations removed.

The water, transport and aeration hoses of the machine must be
detached from the sprayer, the mixing chamber and the compressor. The
compressor must then be removed from the machine.

It is necessary to check on the manometer that the pressure has
been completely emptied out before removing a hose. The
pressurised tubing must be completely emptied, depending
upon the type of hose, as indicated elsewhere in the present
manual.

Turn the mixing chamber up, unblocking the
fixing lever

(A);

Rotate the mixing chamber upward and
extract it from the relative guide

(B) near the

grill.

The brakes

(C) of the wheels can be

loosened once the present procedure is
completed.

B

A

ATTENTION

ATTENTION

C

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M5 – Eco CE

FIRST START-U P

The present manual must be read and understood in detail
before starting-up and using the machine.

The machine is supplied complete on a pallet with hoses uncoupled and
separately packed or dismantled into the relative single parts.

These parts have to be mounted to start-up.

The mixing chamber, the pumping unit and the compressor, possible
dispatched separately, must be assembled. Therefore, the machine must
be lifted from the relative transport pallet.

Only use the relative lifting points to lift the machine! Take
account of the weight and the dimensions of the machine.

Position the machine on a flat and stable base and
make sure that it cannot move by using the brakes on
the wheels.

Installing the compressor

The compressor can be positioned on the specific
support under the machine.

Connect the air hose of the machine to the rapid
closure mechanism

(A) of the compressor.

Connect the electrical cable to the specific socket on
the machine

(B).

Installing the mixing chamber

The mixing chamber can be installed after
installing the compressor.

To do this insert the two horizontal pins

(1) in

both the guides until they block into position,
then turn the mixing chamber downwards
and block with the relative fixing lever

(2).

Connect the electrical cable of the pump motor to the
apposite socket

(3) on the machine.

A

1

2

ATTENTION

ATTENTION

B

3

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M5 – Eco CE

Installing the pumping unit

The pumping unit, dispatched separately from the
rest, can be installed after installing the mixing
chamber.

To do this turn the mixing chamber upwards and
prevent its possible overturning by blocking the
fixing lever

(1) in position on the sleeve.

Mount the pumping unit and lock the two
threaded nuts well with a spanner for nuts.

Various pumping units can be installed on the machine. In any
case make sure that the pumping unit has been mounted
centred on the mixing chamber.

Installing the cell disc

The cell disc can be dispatched separately and must be installed before
starting the machine. It is, therefore, necessary to dismantle the protective
grill, then insert the cell disc on central cone

(A) of the machine and

check that central pin

(1) is inserted on the cell disc. Unscrew the

hexagonal flange nut manually

(2), fix with a suitable tool, and insert the

protection, fixing both safety pins (3). Then mount the grill and fix it to the
funnel

(4) of the machine.

Danger of being hurt!

The machine cannot be used without the use of fixed grills!
Extreme danger of being hurt!

1

Important

1

A

2

4

3

ATTENTION

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M5 – Eco CE

STARTING-UP

The procedures for starting-up the machine are described in the following
paragraph.

Positioning

Position the machine on a flat and stable base
and make sure that it cannot move by using the
brakes on the wheels.

Danger of being hurt!

The brakes on the wheels must be locked when using the
machine to give it sufficient stability.

Check that all switches, including the switch for adjusting the
direction of rotation of the machine and especially the main
switch of the machine, are deactivated before fixing the single
parts.

Electrical connection

Make sure that the fuses and switches cabinet in the building
yard is equipped with a grounded switch and a 25 A safety
device.
In addition, it is necessary to make sure that the power supply
is stable and that there are no possible rapid fluctuations of
tension. If this cannot be guaranteed, MALTECH forbids the
use of the machine and does not offer any guarantee for the
electrical parts of the machine.

The machine is equipped with a central supplier of
current

(A). The entire machine is supplied electrically

thanks to the connection to this plug.

Attention!

The machine must be turned off, disconnecting the power by
removing the plug from the socket, before any intervention
(cleaning, maintenance, repair).

A

ATTENTION

ATTENTION

ATTENTION

ATTENTION

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M5 – Eco CE

Water connection

Two water connections have been envisaged
on the machine.

The main connection

(1) supplies the water

needed for mixing.

The secondary connection

(2) is for cleaning

the machine.

The machine is equipped with a water pump for setting sufficient pressure,
independent of the pressure of the water supply connection.

A rubber hose (at least 10 bars) at least ¾“ in diameter must be
used as a connecting hose. It is necessary to check the
compatibility of the attachments to the hose and the machine
before connecting the hose. Unsuitable connections must be
replaced by suitable ones.

A filter to avoid contamination must be installed
at the entrance of the water. The filter must be
cleaned regularly and replaced if damaged.

In the case of particularly dirty water we also recommend
cleaning the filter several times during the day.

Damaging the machine!

Damage because of particles of dirt can occur if the filter is not
used. Inobservance forfeits any possible guarantee.

Connect the hose for the water supply

(B) of

the machine to an external tap and expel
the air. To do this it is necessary to leave the
unloading valve open until there are no
bubbles left in the hose.

The pressure of the water entering must be at least 3 bars. If this
amount of pressure is not guaranteed (check the plant water
pressure

(A)), it is necessary to use an overpressure pump with

the following characteristics between the water input and the
machine:

x Maximum flow pressure (water column 42 m)
x Maximum capacity 45 l/Min.

2

1

B

A

Important

Important

Recomm.

Important

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M5 – Eco CE

Control elements

Main electrical cabinet

Main switch: Turning on the main switch provides power to the

machine, which is, therefore, ready for use.

Cell disc selector: Two states are possible for the cell disc switch:

0 = „OFF“ or 1 = „AUTOMATIC“.

These uses correspond to the following ways of
adjustment:

OFF:

If the switch is set on „0“ the cell disc will be
turned off and filling the mixing chamber with the relative
material will be interrupted.

AUTOMATIC:

The use of the cell disc is coupled to the
mixing pump work cycle. The cell disc rotates as soon as
the air in the sprayer is opened and stops as soon as the
sprayer is closed.

Start / Stop key: Pressing the „I“ start key will start the mixing pump and/or

pressing the „0“ stop key will stop the pump.

Phase shifter: The phase shifter adapts the direction of rotation of the

machine to the electrical power of the building yard.

It is possible to change the
direction of rotation of the
machine by means of the
phase shifter on the plug. Turn
the phase shifter using a
screwdriver.

The phase exchanger can only be used if the machine is off
and the power supply has been disconnected (main switch on
„0“ and supply plug removed).

Water key: Supplies water. Pressing the key inserts more water into the

mixing chamber. Keep the key pressed until the quantity
of water wanted is reached.

ATTENTION

Cell disc selector

Start / Stop key Water key

Central plug of current
with phase shifter

Main switch

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M5 – Eco CE

Controls for the direction of rotation

Check that the direction of rotation is correct before using the
machine. If not, the machine may suffer damage.

Procedure:

After having turned off the machine by turning off the main

switch (Pos. „0“), remove the power supply plug.

Then open the side blocking device

(1) of the inclinable flange and tilt

the pressure reduction motor
sideways. Remove the shaft from
the mixing chamber and close the
pressure reduction motor again.
Block the inclinable flange again.

It is now possible to test the rotation of the machine.

To do this, turn the main switch on, position the cell
disc selector on Automatic „1“ and press the „I“ Start
key briefly to begin.

It is necessary to observe the rotation of the cooling
fan on the front of the motor to establish the
direction of rotation.

The direction of rotation is indicated on the motor by an arrow.

If the direction of rotation is wrong, turn the machine off and position the
phase shifter on the currnet plug in the opposite direction. (The procedure
is described in the control elements paragraph).

After having turned the machine off, turning off
the main switch (Pos. „0“) and remove the
power supply plug.

Tilt the pressure reduction motor and mount the
mixing shaft. Close the pressure reduction motor
again and block the inclinable flange.

Note: Before closing the pressure reduction motor with the mixing shaft
mounted, check that the joint

(1) is in the relative position with respect to

the shaft

(2).

It is not possible to close the pressure reduction motor if the
joint is not positioned correctly.

The main switch must always remain turned off when opening
and closing the pressure reduction motor!

To guarantee good treatment of the material, the
manufacturer recommends: direction of the cell-disc rotation
clockwise and direction of the pump motor anticlockwise.

The use of the machine in inverse rotation directions can
damage the machine!

1

Important

1

2

Important

ATTENTION

ATTENTION

Important

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M5 – Eco CE

If the pump motor does not rotate, check the electrical
connections and the position of the main switch in the
electrical box. If the pump still does not rotate even with all the
electrical connections correct and the main switch on, do not

open the electrical box but leave the machine to be examined
by an authorised technician or a qualified electrician.

The water plant can be connected to joint

(A) of the

mixing chamber after having checked the correct
direction of rotation of the machine.

Attention!

In the case of rapid binding materials
(with many additives) the water hose will
be connected to the

(B) joint of the

mixing chamber.

Air connection

Air connection

(1) on the machine provides a

possible cleaning pistol.

Check the compatibility of the attachments to
the hose and the machine before connecting
the hose. Unsuitable connections must be
replaced by suitable connections.

The supplied manometer

(2) adjusts the

compressor and is preset by the factory.

Compressor

There is an on/off switch

(3) on the compressor.

Since the compressor is controlled by the
manometer the switch must be „On“ to be able
to use it.

The compressor can be turned off thanks to this
switch if there are electrical or maintenance
problems.

Adjusting the quantity of water

Pressure flow indicator

Pressure flow adjustor

It is possible to adjust the desired flow of water pressure with the pressure
flow adjustor.

The first adjustment acts as a rough calibration. Thanks to successive micro­adjustments it is possible to adjust the machine perfectly, depending upon
the composition of the desired material. Take the instructions of the
manufacturer of dry materials into consideration during the adjustment of
the values.

1

2

3

ATTENTION

B

A

ATTENTION

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M5 – Eco CE

It is possible that the hose that transports the mixed material to
the sprayer becomes obstructed if there is an insufficient
quantity of water.
This can cause grave wear to the pumping unit. We
recommend, therefore, beginning with a lot of water in order
to be able later to dinimish the flow of water desired.

Adjusting the water pressure

A pressure reducer for adjusting the water pressure
has been installed and preset by the factory.
If the water pressure needs adjusting again, it can be
done by turning the adjustment knob

(1) to have the

relative new adjustment on the pressure reducer.

Preparing material

Fill the container of the machine with dry material.

Check after emptying the dry material that possible fragments
of the bag have not fallen into the material container,
becoming mixed with the material and obstructing the sprayer,
causing grave damage to the machine.

The mixing chamber must be filled with water before starting to
operate the machine. Press the „water key “ on the electrical
box To do this.

Then set the „cell disc selector“ on AUTOMATIC „1“, turn on the main
switch and press start key „I“.

(Description and functioning of the switches available in the Control
elements paragraph).

If the machine does not start, check the electrical connections
and the position of the main switch in the electrical box. If the
machine still does not start even with all the electrical
connections correct and the main switch on, do not open the

electrical box but leave the machine to be examined by an
authorised technician or a qualified electrician.

Next check the consistency of the material emerging from the pump

(1)

and the quantity of water supplied possibly corrected.

The material coming out will initially be rather fluid, so it will be possible to
close the flow pressure adjustor a little at a time until reaching the
consistency wanted. Once the consistency wanted has been reached,
turn the machine off at the main switch (Pos. „0“) and remove the plug.
Connect the air

(2) and transport (3) hose to the sprayer first, and then

connect the machine.

1

1

3 2

ATTENTION

ATTENTION

Important

ATTENTION

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M5 – Eco CE

A manometer for the pressure of the mortar
must be mounted between the pump outlet
and the transport hose as an additional
control device.

This manometer supervises and indicates the
pressure present in the transport hose.

ATTENTION!
It is possible to use only transport hoses that can guarantee an
operative pressure of at least 40 bars!

We recommend, before connecting the transport hose to the
machine, to use water internally so that the material can flow
easier and does not dry up. In this way it is possible to avoid the
hose becoming obstructed.

Check whether the air tap

(4) on the

sprayer has been closed and whether
this sprayer has been well cleaned
before connecting the air and transport
hoses.

Adjusting the sprayer

Next the distance between the air jet tube

(A) and the opening of the nozzle (B) must

be adjusted by unscrewing the fixing screw

(1) on the nozzle.

The ideal adjustment corresponds to the
diameter of the opening of the nozzle.

You must consider, choosing the nozzle for

the sprayer and the relative opening, that
with large diameters a more copious spray is obtained but a minor
distance of spray.

Using a small opening instead, a less copious spray is obtained but greater
speed of spray with better vaporisation of the material.

During the procedures of connection and adjustment, the
sprayer must be directed at a free zone where there are no
people or objects that might be hit. In any case, people must
be kept away from the range of action of the plaster sprayer
(see the technical data of the machine).

Material container cleaning hole

There is a cleaning hole on the lower side of
the material container of the machine,
closed by a flat disc

(A) and fixed with a ring

screw

(B).

The cleaning hole is for emptying the used
materials remaining in the container.

Always check that the cleaning hole is closed before
beginning to use it.

4

ATTENTION

ATTENTION

Important

B

A

1

ATTENTION

A

B

Important

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M5 – Eco CE

USE

It is possible to start when the machine is ready for use.

Check the machine before every use. In particular, check that
all the protective covers are integral, mounted and fixed.

It will not be possible to use the machine if damage eventually
occurs!

Automatic functioning

Set the cell disc selector on the electrical box on „1“ (Automatic), move
the main switch onto „I“. The machine is now ready for use.

It is now possible to put the dry material into the relative container of the
plaster sprayer. A comb to facilitate the opening of the bags is installed on
the protection grill of the material container.

Danger of being cut!

The possibility exists of being cut on the sharp surface of the
comb. Gloves for protecting the hands must be worn while
filling the plaster sprayer.

Health danger!

Pollution from dust cannot be completely avoided while filling
with dry material. Use suitable masks equipped with an anti­dust filter in the case of high pollution. Also consider the data
supplied by the manufacturer of the material with regard to
this.

Pressing the green start key „I“ on the electrical box starts the treatment
procedure.

We recommend regularly examining the consistency of the material that
emerges from the sprayer and if necessary adjust the quantity of water.

While adjusting the quantity of water, look at the length of the
transport hose because the quantity of water takes a little time
to emerge effectively at the quantity wanted after having
been adjusted. On the average it takes 20 seconds for every 15
m of hose.

Possible interuptions of the vaporising procedure can cause
small irregularities in the composition of the material. These
irregularities are in any case balanced at the restarting of the
machine.

The operator can now start the vaporising procedure. The machine can
be turned on or/and off by opening and closing the air tap on the sprayer.
We recommend spraying from left to right or from above downwards to
apply the material as uniformly as possible.

The distance of the sprayer from the surface to be treated must
be about 30 cm. This distance, however, can vary according to
the degree of opening of the sprayer nozzle (read the
instructions in paragraph „Adjusting the sprayer “ carefully).

ATTENTION

ATTENTION

ATTENTION

Important

Important

Important

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M5 – Eco CE

If there is insufficient pressure in the jet, examine the air nozzle
for possible obstructions and both hoses for possible bends. In
the case of obstruction the parts must be cleaned
immediately! In the same way promptly eliminate possible
bends found on the hoses!

During the vaporising procedure the difference of maximum height
between the sprayer and the machine can be 20 m. If this distance is
exceeded bring the machine closer to the intervention zone. To do this,
observe the instructions relative to transporting the machine present in this
manual!

During the vaporising procedure check whether the flow has
been interrupted. In any case avoid the formation of possible
bends and obstructions on the hoses.

Stopping the work

It is enough to close the air tap in the case of a brief interruption of work
(less than 20 minutes).

The machine must be cleaned in the case of interruptions longer than 20
minutes. Observe the instructions in the „Ending work and cleaning”
chapter during the procedure. Interruption time is reduced to 10 minutes
using rapid binding material. In any case we recommend observing the
instructions provided by the manufacturer of the material.

Refilling dry material

The material at the outlet of the sprayer becomes increasingly watery as
the dry material is slowly used up. At this point the work must be interrupted
and the instructions in the next chapter followed. It is possible to restart the
work after filling the container with new dry material.

Choosing the dry material

The material previously used must be removed before being able to fill the
container with the new material In the case of using another type of dry
material in the container.

The machine must be stopped and the electrical power
disconnected by removing the plug from the electrical box to
do this!

It is now possible to remove the protection grill from the sprayer and
remove the dry material.
Install and fix the grill again before restarting the machine.

The pump and the hoses must also be emptied and cleaned if
changing the material used. Consult the information in the
„Ending work and cleaning“ paragraph to do this.

Attention!

The machine must be turned off, disconnecting the power by
removing the plug from the socket, before any intervention
(cleaning, maintenance, repair).

Check the machine before every use. In particular, check that
all the protective covers are integral, mounted and fixed.

It will not be possible to use the machine if damage eventually
occurs!

ATTENTION

ATTENTION

ATTENTION

ATTENTION

ATTENTION

Important

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M5 – Eco CE

ENDING WO RK AND CLEAN I N G

In the case of ending the work or interruptions longer than 20 minutes (10
minutes if using rapid binding material) the machine must be turned off
and cleaned to avoid incrustations forming in the hoses and the mixing
chamber. The individual steps to do so are described in this chapter.

Cleaning as described here is a condition for long-lasting use of the
machine and without problems.

The parts of the machine that must not come into contact with
water (electrical box, cables and electrical connections) have
to be protected with impermeable material (e.g. Nylon)
before beginning cleaning.

Attention

!

The selector of the cell disc must be put in position „0“ to turn
the disc off at the end of the work.

If the hoses still contain material, continue to use
the sprayer until only water emerges.

It is then possible to close the air tap on the
sprayer.

Attention!
Closing the air tap stops the machine but does not turn it off!

The machine must be turned off, disconnecting the power by
removing the plug from the socket, before any intervention
(cleaning, maintenance, repair).

After having turned off the machine by
turning off the main switch (Pos. „0“), remove
the power supply plug.

Then open the side blocking device

(A) of

the inclinable flange and tilt the reduction
motor sideways.

Remove the shaft

(B) from the mixing chamber and insert cleaning device

(C).

After introducing the cleaning device rotate it slowly until it blocks and
close the pressure reduction motor again. Block the inclinable flange
again.

Note: Before closing the pressure reduction motor with the cleaning device
inserted, check that the joint

(1) is in the relative position with respect to

the device

(2).

A

Important

ATTENTION

ATTENTION

C

1

2

B

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M5 – Eco CE

The next step is to turn the machine on for about 30
seconds. At the same time it is possible to clean the
shaft with a jet of water.

Note: If there is a blackout, cleaning the mixing
chamber can also be carried out manually by inserting
the cleaning device into it and hand rotating it.

Then clean the walls of the mixing chamber manually and rinse with water.

The cone of the joint of the shaft must in any case be cleaned
carefully.

Attention!

The water must not wet the dry material that otherwise would
become thick, causing obstruction at the outlet of the hose
that could intensify wear on the pumping unit.

The dirty water remaining must be pumped out of the mixing chamber.

After having turned off the machine by turning off the main switch (Pos.
„0“), remove the power supply plug. Then open the side blocking device
of the inclinable flange and tilt the pressure reduction motor sideways.
Remove the shaft from the mixing chamber, extract the cleaning device
and introduce the shaft.

Close the geared motor again and block the inclinable flange again.

The next step is to detach the hoses from the machine and the sprayer.

Attention!

Before detaching the hoses make sure that there is no pressure
remaining inside them. It is possible to check the installed
manometer for mortar visibly or by touching the hoses (these
must feel soft and without lumps in particular zones) to do this.

Hoses under pressure can be emptied as follows on the basis of the type of
hose:

Transport hose: the hose only contains water if the correct procedures
have been followed to the letter. To empty it, bring it to the level of the
machine and position it horizontally. Remove the attachment of the hose
to the pump slowly and lift the end of the hose from the sprayer to let the
water flow out.

Air hose: To empty the pressure on the air hose, open the air tap on the
sprayer until air no longer emerges from the hose.

Danger of being hurt!
The sprayer must not be directed toward people or dangerous
objects.

The transport hose used must be cleaned with a
suitable sponge ball (supplied).

Place the ball inside the
hose and connect the
latter to the water tap.

With the machine off, open the tap and wait.

Important

ATTENTION

ATTENTION

ATTENTION

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M5 – Eco CE

The ball will emerge from the other end of the hose. Repeat the procedure
a sufficient number of times to eliminate all the dirt. After cleaning, empty
the hose carefully of any possible remaining water.

If the ball does not emerge, close the tap. Look for possible hard
parts to the touch from the opposite side of the tap. If they are
found, there is an incrustation that is preventing the emergence
of the ball. Hit the hose without damaging it until the hard part
softens. Open the water tap again and wait for the ball to
emerge. If the difficulty persists, repeat the procedure or, if
necessary, replace the hose.

Rinse with water to clean the pumping unit.

Procedure:

Fill the mixing chamber with clean water, start the
machine „with the cell disc deactivated“ and pump
the water out of the machine.

Use a jet of water to clean the
sprayer and the nozzle. First remove
the nozzle from the sprayer and pre­treat the tube with a pipe cleaner
(supplied).

It is possible to use a non-metallic
brush together with a jet of water In the case of
particularly resistant incrustations in the sprayer or the
nozzle.

In this way damage to the surfaces will not be possible
in any case.

Empty the container of material before cleaning the cell disc
and the container.

The machine must be stopped and disconnected from the
electrical power by removing the plug on the electrical box to
do this!

It is now possible to remove the protective grille
and take the dry material out.

It is first necessary to remove the cover and extract and remove the disc
from the central cone to clean the cell disc. The container and the disc
can be cleaned dry or with water. It is possible to use a non-metallic brush
in the case of persistent incrustations. This avoids damaging the cell disc.

Important

Important

ATTENTION

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M5 – Eco CE

The material entrance

(A) of the mixing chamber

and relative container must also be cleaned.

Procedure:

Tilt the mixing chamber upwards and use the
blocking lever

(1) to make sure that the chamber

cannot fall.

Danger of being hurt!
The blocking lever must be secured to the side handle to avoid
the mixing chamber falling.

There is a cleaning hole on the lower side of the
material container.

The cleaning hole is for emptying the used materials
remaining in the container.

Everything must be carefully dried after cleaning the cell disc
and the container with water, otherwise the dry material would
thicken, obstructing the mixing chamber and overloading the
cell disc. „Danger of damaging the machine!“

Note:

The dry material can stay in the machine even for a year if the
relative conservation regulations have been followed. In any case, we
recommend cleaning the container every two months if the machine is
not used during this period.

Opening the release taps

(A) of

the pressure reduction motor and
the flow adjustment device
empties the water in the water
plant.

This procedure must be carried out every day in winter to avoid
the water freezing inside the plant. We recommend emptying
the water every two months in the case of non-use to avoid the
formation of crustations due to deposits of impurities.

At night, and when the machine is not being used, it should be kept in a
dry place.

The cleaning hole must be closed, the cell disc mounted
correctly and the protection grill installed and fixed again
before restarting the machine.
(The description of the procedure is in the Chapter („FIRST
START-UP OF THE MACHINE“).

A

1

ATTENTION

Important

Important

ATTENTION

A

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M5 – Eco CE

MAINTENANCE

The necessary maintenance procedures are described in the following
paragraph. Carrying out regular and periodical maintenance very much
extends the life of the machine.

The M5-Eco plaster sprayer does not require complex maintenance.
Carrying out the normal cleaning operations described in the present
manual daily is enough for a use of the machine without problems.

Attention!

The machine must be turned off, disconnecting the power by
removing the plug from the socket, before any intervention
(cleaning, maintenance, repair).

Cleaning the filter applied to the water connection

The filter must be cleaned regularly and
replaced if damaged.

In the case of particularly dirty
water we recommend cleaning
the filter even several times a day.

Damage to the machine!

Damage can occur because of particles of dirt if the filter is not
used. Inobservance forfeits any possible guarantee.

Cleaning the filter applied to the pressure reducer

An additional filter has been installed around the pressure reducer for
protection.

This filter must be cleaned
regularly on the basis of the dirt
present in the water but at least
once a week.

To do this the cap must be unscrewed with a suitable tool to be able to
clean the filter.

After having cleaned the filter, screw the cap up again.

Pump and cell disc motor

The pump and cell disc motor must undergo a maintenance cycle every
300 hours of use unless problems (strange noises) arise before that
deadline.

ATTENTION

Racomm.

ATTENTION

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M5 – Eco CE

Screw and rotor

The rotor and the screw must undergo a
maintenance cycle if irregularities in the pressure
or changes in the thickness of the material are
met during the vaporising phase (e.g. the material
is too thick or too fluid).

These problems depend upon wear of one of the
above-mentioned parts.

The worn part must be replaced to guarantee
a use without problems.

(The description of the procedure for
mounting the pumping unit can be consulted
in the „FIRST START-UP OF THE MACHINE“
chapter).

Attention!

Check that a suitable rotor relative to the screw has been
installed. Only use MALTECH spare parts!

ATTENTION

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M5 – Eco CE

SOLVING PROBLEM S

Attention!

The machine must be turned off, disconnecting the power by
removing the plug from the socket, before any intervention
(cleaning, maintenance, repair).

Mistakes and faults should not occur if the instructions just described are
observed carefully. For possible problems not treated in this manual call
your zone representative who will be able to provide you with all the
necessary information.

Problem Possible cause Solution

Check the electrical
connection

Power interrupted

Check the switches

Fault at the electrical plant

Apply to the

MALTECH assistance

service

Check that all the taps
are open

Check that the hoses
have no bends

Water flow interrupted

Clean possibly
obstructed hoses

Water pump stopped

Apply to the

MALTECH

assistance

service

Water pressure too low

Check the water
pressure on the indicator

Clean the filter

The plant does not
start-up.
The plant stops and
does not start-up
again

Filter obstructed

Install a new filter

The plant makes
strange noises

Apply to the

MALTECH assistance

service

Defective dry material

Fill the material
container

Only water emerges
from the sprayer

Cell disc or shaft
defective/not installed
correctly

Check by specialised
personnel

Defective pressure
reduction motor

Apply to the

MALTECH

assistance

service

Material does not
emerge from the
sprayer

Direction of rotation
incorrect

Check direction of
rotation

Material of the wrong
consistency emerges
from the sprayer

Adjust the quantity of
water

Adjust the quantity of
water on the flow
adjustor

Defective/worn rotor or
screw

Replace rotor/screw

Defective pressure reducer

Apply to the

MALTECH assistance

service

Material of different
consistencies emerge
from the sprayer

Worn mixing shaft

Install new mixing shaft

ATTENTION

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M5 – Eco CE

SPARE PARTS

Modifications, changes or other tampering with the mixing plant are
absolutely forbidden. Possible problems for special work must be solved
without intervening on the machine. Another model must be used if the
performance of the machine is insufficient.

Spare parts are available indicating the name of the piece wanted, the
series number and the date of manufacture to your zone representative.
These data can be found on the plaque installed on the machine.

Only MALTECH spare parts should be used.

DISPOSAL AN D D E M O L I T I O N

The relative national regulations must be observed in the case of
demolishing and disposal of the machine. Apply to your zone
representative in the case of doubt or questions.

ASSISTANCE

Apply to your zone representative immediately in the case of possible
problems. If doubts possibly persist, apply to our main office.

39040 Campo di Trens/Freienfeld (BZ) - Italien
Zona Artigianale Reifenstein 15
Gewerbezone Reifenstein 15
Tel.: (+39) 0472 - 76 50 65
Fax.: (+39) 0472 – 76 42 95
e-mail:

[email protected]

www.maltech.eu

ATTENTION

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