RocwooD RWCM63 Manuale utente

RocwooD

Instruction Manual

NOTE: PLEASE READ INSTRUCTIONS CAREFULLY BEFORE USE.

CEMENT MIXER

MODEL: RWCM63

SYMBOL AFFIXED TO THE MACHINE

SAFETY WARNINGS & INSTRUCTIONS

lUNDERSTAND YOUR MIXER

Read and understand the owner’s manual and labels affixed

to the mixer. Learn its application and limitations as well as

the specific potential hazards peculiar to it.

Become familiar with the controls before operating this mixer.

lSTAY ALERT

Do not operate the mixer while under the influence of drugs,

alcohol, or any medication that could affect your ability to use

it properly.

Do not use this mixer when you are tired or distracted from

the job at hand. Watch what you are doing at all times. Use

common sense.

lAVOID DANGEROUS CONDITIONS

Make sure there is adequate surrounding workspace.

Keep

your work area clean and well lighted. Cluttered areas

invite

injuries. Keep area around the mixer clear of obstructions,

grease, oil, trash and other debris which could cause others

fall onto moving parts.

Only use or operate the mixer on solid, flat, level ground that

is capable to support the weight of the mixer and its load to

prevent the mixer from tipping over.

Do not attempt to move the mixer when it is loaded and/or

in operation.

This mixer is intended for the production of concrete, mortar

and plaster. It is not suitable for the mixing of flammable or

explosive substances. Do not use it in areas where fumes

from paint, solvents or flammable liquids pose a potential

hazard.

lINSPECT YOUR MIXER

Check your mixer before turning it on. Keep guards in place

and in working order. Do not plug mixer with motor cover off.

Check all bolts, nuts, and screws for tightness before each

use, especially those securing guards and drive mechanisms.

Vibration during mixing may cause these to loosen.

Form a habit of checking to see that all the adjusting tools,

shovels, hand trowels and other tools/equipments are removed

from mixer area before turning it on.

Replace damaged, missing or failed parts before using it.

Warning labels carry important information. Replace any

missing or damaged warning labels.

SAFETY WARNINGS & INSTRUCTIONS SYMBOL AFFIXED TO THE MACHINE

lDRESS PROPERLY

Do not wear loose clothing, gloves, neckties or jewelry (rings,

wrist watches). They can be caught in moving parts. Protective

electrically non-conductive gloves and non-skid footwear are

recommended when working. Wear protective hair covering

to contain long hair, preventing it from getting caught in

machinery. Wear a face or dust mask if the operation is dusty.

Always wear safety goggles and/or face shields. Everyday

eyeglasses have only impact resistant lenses. They are not

safety glasses.

lDO NOT ABUSE CORD

Never carry mixer by cord or yank it to disconnect it from

socket.

Keep cord from heat, oil and sharp edges.

lEXTENSION CORDS

Extension cords must be no longer than 50 meters in length.

The wire section must be 1.5mm2on 230V to allow sufficient

current flow to the motor. Improper use of extension cords

may cause inefficient operation of the mixer which can result

in overheating and motor damage.

Only extension cords to H07RN-F specification intended for

outdoor purpose may be used. Avoid use of free and

inadequately insulated connections. Connections must be

made with protected material suitable for outdoor use. Make

sure that any extension cord connections are dry and safe.

Ensure that the extension cord is carefully laid out avoiding

liquids, sharp edges and places where vehicles might run over

it. Avoid allowing the extension cord to be trapped underneath

the mixer. Unroll it fully or it will overheat and could catch fire.

lAVOID ELECTRICAL SHOCK

Check that the electric circuit is adequately protected and that

it corresponds with the power, voltage and frequency of the

motor.

Do not plug or unplug the mixer while standing in or around

damp or wet ground. Do not use the mixer in wet or damp

areas or expose it to rain.

Prevent body contact with grounded surfaces: pipes, radiators,

ranges, and refrigerator enclosures.

Make sure your fingers do not touch the plug’s metal prongs

when plugging or unplugging the mixer.

lKEEP VISITORS AND CHILDREN AWAY

Keep unauthorized persons away from the mixer.

Do not allow children to handle or climb on or in the mixer.

SAFETY WARNINGS & INSTRUCTIONS SYMBOL AFFIXED TO THE MACHINE

lDO NOT OVERREACH

Keep proper footing and balance at all times when loading

or unloading the mixer.

Never stand on mixer. Serious injury could occur if the mixer

is tipped or if the moving parts are unintentionally contacted.

Do not store anything above or near the mixer where anyone

might stand on the mixer to reach them.

lAVOID INJURY FROM UNEXPECTED ACCIDENT

Keep hands out of the way of all moving parts. Do not place

any part of your body or any tool, like shovel in the drum

during operation. When operating, do not pass hands through

the clearance between frame and support arm or the one

between the drum and support arm.

lDO NOT FORCE TOOL

It will do a better and safer job at its design rate. Always work

within the rated capacity.

Do not start the motor if the drum is fully loaded. Do not turn

mixer off while full of concrete.

Do not use the mixer for a purpose for which it was not

intended.

The mixer is not to be towed by any vehicle.

lNEVER LEAVE MIXER RUNNING UNATTENDED

Do not leave mixer until it has come to a complete stop.

lDISCONNECT POWER

Never open the motor cover before unplugging the mixer.

Disconnect from power supply when not in use, before moving,

making adjustments, changing parts, cleaning, or working on

the mixer. Consult technical manual before servicing.

lMAINTAIN YOUR MIXER WITH CARE

Clean the mixer immediately after use. Keep the mixer clean

for best and safest performance.

When maintaining this mixer, only the manufacturer’s original

replacement parts may be used.

lPROTECT THE ENVIRONMENT

Take left over materials to an authorized collection point or

follow the stipulations in the country where the mixer is used.

Do not discharge into drains, soil or water.

lSTORE IDLE EQUIPMENT

When not in use, the mixer should be stored in a dry location

to inhibit rust. Keep the mixer away from children and others

not qualified to use it.

Safety Warnings & Instructions ………………...…………………………………………….….......... 2

Electrical Connection ……………………………………………………………………………………...5

Specifications……………………………………………………………………………........................ 5

Contents of Shipping Container ………………………………………………………………….......... 6

Assembly Instructions ………………...…………………………………………………………........... 6

Operation Instructions …………………………………………….……………………………............. 9

Maintenance Instructions ………………………………………………………………………............10

Wiring Diagram ………………..…………………………………………………………………...........11

Parts Schematic ……………………………………………………………………………….............. 12

TABLE OF CONTENTS

SPECIFICATIONS

Model Number

Motor

Drum Capacity

Drum Mouth

Drum Speed

Overall

Sizes

Weight

RWCM63

220W S6 30%

70 Litres

267 mm

27.5 / min

1110 mm

550 mm

935 mm

27 kg

ELECTRICAL CONNECTION

This mixer is double insulated to Class

II protection and IP44D rated. The

insulation will only remain effective if the

original insulating parts are used for

repairs and the spaces between the

original insulation are maintained.

Do not connect either core

to the earth pin.

The use of an Residual Current Device (“RCD”),

(earth leakage trip), on 230V electrics is

recommended. If using an extension cable, plug it

directly into the RCD.

When operating in Switzerland, plug the mixer only

in sockets protected by fault current breaker.

Double insulation eliminates the need

for the three-wire grounded power cord

and grounded power supply system.

Double insulated tools can use either a

two or three wire extension cord.

This mixer is double insulated

to Class II protection and

IP44D rated. Assembly and

disassembly of the enclosure

of electric control are critical

to keep them remain effective.

Only qualified electrician is

allowed to repair the enclosure

of electric control.

CONTENTS OF THE SHIPPING CONTAINER

Two people assist in assembly

recommended.

ASSEMBLY INSTRUCTIONS

THE STAND

M8 40

M8 60

M8 20

M8 55

M8 60

M8 55

M8 25

M8 16

M6 16

M8 40

M8 60

M8 40

M8 60

THE MIXING BLADES

THE BOTTOM DRUM

Turn the frame over and attach the axle

bracket with wheels in the same manner.

Make sure all bolts and nuts are tightened.3.

Carefully, and with two people, set the bottom

drum with support arm onto the side supports

of the stand as shown, so that the bearing

blocks slot into the channels provided by the

side supports. The larger diameter shaft

should be at the leg end of the stand.

At each side, line up the holes in the side

support with those in the bearing block and

insert a M8X55 hex bolt from one side, then

two flat washers and a lock nut from the

other side. Tighten with a wrench.

With the frame lying on its side, attach the

support leg as shown. Insert a M8X60 hex

bolt through the holes from one side, then

flat washers and a lock nut from the other

side. Also screw a M8X40 hex bolt with a

flat washer to the nut on the frame. Tighten

down.

M8 55

M8 20

Mount the mixing blades inside the bottom drum

loosely as shown - Two holes are provided at

the base of the drum into which a M8X20 cross

headed screw may be inserted from the outside.

A leather washer and a lock nut should be

threaded on loosely on the inside. The leather

washer should be placed under the blade down

against the drum.

NOTE: Two arrows are labeled on upper

drum and bottom drum to make

their position relation. If you have

any difficulty in correctly

positioning the mixing blades, it is

helpful if you temporarily mount

the upper drum on the top of the

bottom drum, rotating it so that the

two arrows line up.

Slide the bracket onto the drive shaft sleeve.1.

M8 40

M8 60

THE UPPER DRUM THE TIPPING BAR

Position the upper drum on bottom drum

over the rim, making sure the mounting holes

align in both as well as the labeled arrows.

Secure the mixing blades to the upper drum

by inserting two M8X16 cross headed screws,

from the outside through the holes in the

drum.

Slide the locking plate over the large diameter

shaft at the leg end of the frame with the rim

facing inwards as shown. Secure with two

M8X25 bolts, each with a flat washer and a

lock nut.

Finally, ensure top and bottom mixing blade

mountings are tight.

A leather washer should be positioned inside

between the drum and blade. Secure the

mixing blade on the inside using a lock nut.

M8 55

2. Insert a M6X16 cross headed screw into each

mounting holes in the rim. Secure each screw

from below with a spring washer and a cap

nut. Make sure the tightening process is

carried out progressively.

M8 25

M8 16

M6 16

THE TRANSMISSION CASE

The bar must be allowed to pivot

about the bolt so that the lug on

the bracket can be engaged or

disengaged from the hole in the

locking plate.

NOTE:

Insert the spring into the bar pipe. Holding

it in place with a finger, place the bar over

the larger diameter shaft so that the shaft

retains the spring. Press down on bar until

the holes in the bracket line up with the hole

drilled. Insert a M8X55 hex bolt and screw

on a lock nut with flat washers from the other

side. Screw the nut up against the bracket

firmly, but not so tightly so as to prevent the

bar from pivoting about the bolt.

Lining up the keyways, slide the transmission

case over the pinion shaft. Screw two lock nuts

to the threaded stub on the transmission case.

Secure the lower mount bracket to the frame

with one M8X60 bolt, two flat washers and a

lock nut.

OPERATION INSTRUCTIONS

The spring-loaded tipping bar with locking lug

provides an easy positive control of the drum

which can be locked in the mix, discharge and

stored position.

DRUM TILTING

M8 60

The drum is locked in position by lug on the

self-locating tipping bar which engages into the

locking plate on the mixer frame. To tilt the

drum, withdrawn the tipping bar to dis-engage

the locking lug. This then allows the tipping bar

and drum to be turned in the same direction.

To retain the drum in position, aligning the lug

with the hole, release the tipping bar a little

while retaining the drum. Rotate the tipping bar

until the locking lug engages into the locking

plate on the mixer frame.

Loading/Mixing Position

For Mortar For Concrete

Emptying Position Storage Position

Completely unwind the extension

cord. Connect it to the concrete

mixer first before plugging in power

supply.

Always start the mixer before

loading the drum. Loading the drum

with drum rotating.

Do not throw material into the mixer

to avoid sticking firmly to the back

of the drum. Trickle it steadily over

the ram.

For best results, proceed as follows:

1. Add the required amount of gravel into the

drum.

Add the required amount of cement into the

drum.

Add the required amount of sand into the

drum.

Pour the required amount of water into the

drum.

EMPTYING

Do not turn mixer off while full of

load. Emptying the drum with drum

rotating.

CLEANING

Never put hands inside the drum

with drum rotating.

Thoroughly clean the mixer at the end of each

day’s operation. Keep your mixer clean. The

slightest trace of material left in the drum will

harden and attract more each time you use it

until the machine is useless. Dried cement

should be scraped out of the drum. Do not throw

bricks into mixer drum to clean it out. Do not

beat on the drum with a shovel, a hammer or

other tools to break up accumulations of dried

cement mix, as damage to the mixer may result.

The drum may be scoured for approximate 2

minutes, using 1” gravel and water mixture.

Then discharge the gravel/water mixture and

hose down the drum assembly inside and out.

The IP44D protection class construction of the

concrete mixer enables you to hose down the

drum assembly safely.

A built-in thermal protector is

arranged in the motor to prevent it

from overheating. The thermal

protector restores automatically

when the motor cools down.

NOTE:

Do not pour or spray water directly

over the motor cover, especially

the openings in it.

Wipe off any external material on

the motor cover. Do not use petrol,

turpentine, lacquer or paint thinner,

dry cleaning fluids or similar

products. The use of chemical

products or solvents may affect

the properties of the cover which

was made of high density

polyethyiene PET.

Ensure the extension cord is

always unplugged before the motor

cover is removed.

The mixer is fitted with a preset tensioned belt.

No adjustment apart from a touch of grease on

the spindle.

MAINTENANCE INSTRUCTIONS

The bearings are sealed for life.

Indice

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