Nidec NRA-04 Manuel utilisateur

NIDEC CORPORATION

Pugmill Instruction Manual

NRA-04/04S

Please make sure to read the entire instruction manual thoroughly before initial

set-up, operation, maintenance and inspection to ensure proper use.

Please keep this instruction manual in a location that is available to the user.

Contents

Safety precautions 1

Specifications 4

List of contents 4

Installation Instructions 5

Operating Instructions 6

Maintenance Instructions 7

Warranty Provisions 9

Disposal Method 9

Please make sure to read the entire instruction manual thoroughly before initial set-up, operation,

maintenance and inspection to ensure proper use.

Please start using only after you have read the equipment’s function, safety information and

precautions.

This instruction manual provides three grades of safety warnings: “Danger”, “Warning” and “Caution”.

All precautions described here under which concern to the safety are to be read carefully. Please be

sure to follow them.

Danger marking indicates possible death, severe injury or fire if the user

disregards the instruction.

Warning marking indicates the possibility of severe injury if the user does not

follow the instruction.

Caution marking indicates the possibility of minor or damage if the user operates

the pug mill improperly. However, depending on the circumstances, it is still

possible to cause severe injury. Please make sure to pay close attention to these

warnings.

Danger

Warning

Caution

We call your attention to these warnings throughout the manual using the following symbols:

Warning; Pay Close Attention

Do Not

Please Follow Instructions

SAFETY PRECAUTIONS

DANGER

These are safety precautions regarding with installation of pug mill.

Installation

Do not set up in a location that is

susceptible to rain and water or an

area of high moisture.

Operation

Do not let anyone operate the pug

mill without proper instructions

and supervision.

Be careful of clothing.

Do not operate any switches with

wet hands.

Do not overload the electrical

outlet.

Do not insert hands.

Secure long hair away from

pug mill.

This may cause a fire or failure form electrical shock or

electrical leakage.

Check the amperage rating of the outlet and of

any other equipment that may be on the same

circuit. A fire could result from overloading the

circuit.

Please assign a specific person to supervise the use of

the pug mill in facility where many people operate the

unit. Make especially sure not to let children operate the

pug mill.

Please do not insert hands into the clay hopper

or clay nozzle. Serious injury could occur.

Loose fitting ties aprons and other clothing may hang

into clay hopper clay nozzle and become entangled in

the internal moving parts causing serious injury.

This may cause an electrical shock if you operate

switches or plug / unplug cord into the power outlet.

Serious injury may occur if a person’s hair becomes entangled

in the internal moving parts.

MAINTENANCE

These are safety precautions regarding the maintenance of pug mill.

Maintenance

Switch the power off before doing

any inspection. Unplug the power

cord.

Place the pug mill on a flat

horizontal surface.

Please turn the power switch off if

you will not be using the pug mill

for an extended period of time.

Unplug the power cord

carefully by pulling the power

plug, not the power cord.

Be careful with handling

since this product is heavy.

Do not pour water on pug

mill to clean it.

Please make sure to switch the power off and unplug the

power cord from the outlet before doing any cleaning,

inspection, adjustment, or moving the pug mill.

Do not pull on the cord when you unplug the

power cord. This may cause damage to the

cord and/ or plug, which could also, result in a

fire created by an electric short or injury from an

electrical shock.

Please make sure to place pug mill unit

on a horizontal surface since bumps

and slopes may cause vibration and

noise. Please make sure to tighten

the lock nut on the adjustable leg

after adjusting the height.

Please handle pug mill with extreme care since

serious injury can occur if the unit should fall on

(hands or feet) body parts.

If you will not be using the pug mill for a long period of

time please switch the power off and unplug the power

cord from the outlet to prevent damage from possible

power surge such as a lighting strike.

Please do not pour water on pug mill to clean it. This may cause

an electric short or damage to the pug mill. Clean off pug mill

with a damp cloth. The clay hopper, screw case, and nozzle are

washable only after disassembly.

Do not use damage power cord

Please do not use damaged power cord, damaged

plug or worn power outlet. It may cause a fire due to an

electrical shock or electrical short.

Installation These are safety precautions regarding with installation of the pug mill.

These are safety precautions regarding with operation of

the pug mill.

These are safety precautions regarding the

maintenance of pug mill.

Operation Maintenance

WARNING

CAUTION

Model NRA-04 NRA-04S

Dimension 25 1/2” (40” Including Plate) x 12” x 22 1/2” Height

Weight 144 lbs 166 lbs

Anger Rotation 20 rpm / 60Hz 20 rpm / 60Hz

Motor 200W 4P Single Phase 115V 200W 4P Single Phase 115V

Extruding Capacity 880 lbs / hour 880 lbs / hour

Structure Twin Anger Twin Anger

Anger material Stainless Steel Stainless Steel

Anger Case Material Aluminum Stainless Steel

Nozzle Diameter 3 1/2” 3 1/2”

SPECIFICATIONS

LIST OF CONTENTS

Description Quantity Reference

Drive Housing 1

Clay Roller Shelf 1

Hopper Cover 1 Cover for Clay Hopper

Front Cover 1 Cover for Nozzle Opening

Wrench 1

Double-head Wrench 1 each

Allen Wrench 1

Bolt 2 M10 x 1” for screw case removal

Instruction Manual 1

Warranty Card 1

Pug Mill Diagram

1. Remove the front cover and hopper cover.

2. Place the roller clay shelf in front of the nozzle.

3. Lossen lock nut on afjustable leg.

4. Set the adjustable leg level on the pug mill and allow all four

feeton frame to touch the surface.

INSTALLATION

Installation

OPERATION

After Operation

Operation

Precautions

* Do not operate any switches with wet hands.

* Do not insert hands or body parts into any opening on the pug mill.

* The breakers may shut down by overloading if you forcibly operate the lever. (Operation of

Breaker, refer to P. 8)

* In the event that dry clay remains in the clay hopper, please remove the nozzle and clean the

internal parts. (Disassembly Procedures, refer to P. 7)

*Please do not put a chunk of dry clay or clay refuse into the clay hopper.

* Before placing clay into the hopper clay, please be sure to add water into the clay in order to

put in the condition that you can knead by hands. Otherwise, screw may stop and clay may not

mix well.

1. Switch the power on.

2. Pull the lever up (screw stop). Place clay into the clay hopper in small amounts.

3. Pull the lever down (screws rotate).

4. When the lever is all the way down it can be lifted back up to place more clay in

clay hopper. Continue with this process until you have proceeded all of your clay.

5. Switch the power off when you are finished processing clay.

6. Pull the lever down.

7. Unplug the power cord from the outlet.

1. Pull the lever down and install the hopper cover over the clay hopper.

2. Install the front cover over the end of the pug mill nozzle.

Precautions

*Never operate the pug mill with dry clay remaining in the main body.

*When total cleaning of the pug mill is desired clean internal parts of the main body by following

the disassembly procedures (Disassembly Procedure, refer to P.7).

Please do not leave clay in the main body for a long period if time. Just in case dry clay remains

in Drive housing, do not operate the pug mill in such a condition. Please disassemble the pug mill

and remove the clay (Disassembly Procedures, refer to P.7).

SWITCH

ON (START)

OFF (STOP)

BREAKER

MAINTENANCE

Oil Inlet Opening

Cleaning

* When total cleaning of the pug mill is desired clean the internal parts of the main body by

following the disassembly procedures.

1. Switch the power off.

2. Unplug the power cord from the outlet.

3. Remove the hopper cover and front outlet.

4. Remove two nuts that secure the nozzle to the screw case using the wrench supplied. Then

remove the nozzle from screw case.

5. Remove the four bolts that secure the clay hopper to the screw case using the wrench supplied.

6. Remove screw case by detaching four nuts that secure the screw case to the drive housing using

the wrench supplied.

1. Pull the lever down and install the hopper cover over the clay hopper.

2. Install the front cover over the end of the pug mill nozzle.

Precautions

*Rinse each of the disassembled parts with water and dry them well. Do not disassemble parts, which

are not described, since this may cause the pug mill to fail and will void the warranty.

Disassembly Procedures

Disassembly Diagram

In the event that it is

difficult to remove hard clay

remaining in screw case for

an extended period thread

the 1” bolt into the tapped

holes at the rear of the screw

case to gently pry the screw

case from the drive housing

Precautions

*Fuel oil or grease is not suitable for lubrication.

*Please do not inject unknown substances or water into the oil inlet opening.

MAINTENANCE

Operation if Breaker

Assembly Procedures

1. Install the screw case into the drive housing and tighten with nuts for attaching the screw case.

2. Install hopper onto the screw case and tighten with bolts for attaching the clay hopper.

3. Install nozzle onto the screw and tighten with nuts for attaching the nozzle.

4. Pull the lever down, plug the power card into the outlet, and switch the power on. Check for unusual

sounds. Recheck assembly if necessary.

The breaker will not shut off under normal use. If you forcibly push a large amount of clay, or hard clay,

into the hopper it will cause the breaker to shut off the pug mill. In the event that the breaker shuts off the

pug mill will stop. In this case press the breaker switch inward, the breaker switch is under a waterproof

cap. Do not remove the water cap. Press the breaker with the cap in place.

Precautions

*Do not operate any switches with wet hands.

*Do not insert your hands into any pug mill opening.

Trail Operation

1. Plug the power cord into the outlet.

2. Do not set anything into the clay hopper, pull the lever down, switch the power on,

and then allow the unit to run for a short time.

3. Check if the pug mill has any vibration, rattles, or unusual sounds (If none then

proceed to the section on operation).

4. Switch the power off and unplug the unit.

5. Make adjustments to level and position the pug mill.

6. Return to step one.

SWITCH

ON (START)

OFF (STOP)

BREAKER

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