Sterling 1200, 1500, SMS 850, 2000 User Manual

SMS Medium Duty Single Shaft Shredder

SMS 850, 1200, 1500, 2000

Part Number: ESS-0039-S

Bulletin Number: BJ5-615

Effective: 9.30.2008

Write Down Your Serial Numbers Here For Future Reference: _________________________ _________________________

_________________________ _________________________ _________________________ _________________________

We are committed to a continuing program of product improvement. Specifications, appearance, and dimensions described in this manual are subject to change without notice.

Shipping Info

Unpacking and Inspection

You should inspect your equipment for possible shipping damage. Thoroughly check the equipment for any damage that might have occurred in transit, such as

broken or loose wiring and components, loose hardware and mounting screws, etc.

In the Event of Shipping Damage

According to the contract terms and conditions of the Carrier, the responsibility of the Shipper ends at the time and place of shipment.

Notify the transportation company’s local agent if you discover damage. Hold the damaged goods and packing material for the examining agent’s inspection. Do not

return any goods before the transportation company’s inspection and authorization.

File a claim with the transportation company. Substantiate the claim by referring to the agent’s report. A certified copy of our invoice is available upon request. The original Bill of Lading is attached to our original invoice. If the shipment was prepaid, write us for a receipted transportation bill.

Advise customer service regarding your wish for assistance and to obtain an RMA (return material authorization) number.

If the Shipment is Not Complete

Check the packing list as back-ordered items are noted on the packing list. You should have:

; Bill of lading ; Packing list ; Operating and Installation packet ; Electrical schematic and panel layout drawings ; Component instruction manuals

Re-inspect the container and packing material to see if you missed any smaller items during unpacking.

If the Shipment is Not Correct

If the shipment is not what you ordered, contact the parts and service department immediately at [262] 641-6410. Have the order number and item number available.

Hold the items until you receive shipping instructions.

Returns

Do not return any damaged or incorrect items until you receive shipping instructions from the shipping department.

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Storage, Disposal, Transportation

Storage

Clean the machine (see “Cleaning the Machine”). Preserve all polished metal surfaces using a suitable rust preventing agent. Store the machine in a dry, enclosed space. Cover the machine completely with a plastic sheet.

Disposal

The disposal of machines, machine components, and process materials is partially subject to legal controls. More detailed information is given at the relevant administrative authority (i.e. regional and national Water Conservation Bureau and Environmental Protection Agencies). Only deposit the material to be disposed of at authorized drop-off points.

Transportation

WARNING! Suspended load!

• Falling loads can cause serious injury or death. Only use a crane or

forklift that can withstand the weight and dimension of the load!

• Use suitable stopping means and pay attention to gravity center

location!

• Do NOT step under the suspended load!

• Wear protective helmet in addition to basic protective gear!

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Table of Contents

CHAPTER 1: SAFETY................................................................5

1-1 How to Use This Manual.............................................................................................5

Safety Symbols Used in this Manual.....................................................................5

1-2 General Safety Regulations ........................................................................................6

1-3 Responsibility..............................................................................................................6

1-4 Warnings and Precautions..........................................................................................7

CHAPTER 2: FUNCTIONAL DESCRIPTION...........................11

2-1 Models Covered in This Manual................................................................................11

2-2 General Description...................................................................................................11

2-3 Typical Features and Components ...........................................................................12

2-4 Safety Features.........................................................................................................20

CHAPTER 3: INSTALLATION..................................................23

3-1 Uncrating the Equipment...........................................................................................23

3-2 Electrical Connections...............................................................................................24

3-3 Initial Start-up............................................................................................................26

CHAPTER 4: OPERATION.......................................................28

4-1 Start-up......................................................................................................................28

4-2 Operation Procedures...............................................................................................28

4-3 Shut-down.................................................................................................................31

CHAPTER 5: MAINTENANCE .................................................32

5-1 Preventative Maintenance Schedule.........................................................................32

5-2 Preventative and Corrective Maintenance ................................................................33

CHAPTER 6: TROUBLESHOOTING .......................................53

6-1 Introduction................................................................................................................53

APPENDIX ............................................................................57

A-1 Returned Material Policy...........................................................................................57

A-2 Technical Specifications............................................................................................58

A-3 Drawings and Diagrams............................................................................................59

A-4 Spare Parts List.........................................................................................................63

A-5 Technical Assistance.................................................................................................84

Parts Department ................................................................................................84

Service Department.............................................................................................84

Sales Department................................................................................................84

Contract Department...........................................................................................84

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Chapter 1: Safety

1-1 How to Use This Manual

Use this manual as a guide and reference for installing, operating, and maintaining your equipment. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivity.

This manual covers only light corrective maintenance. No other maintenance should be undertaken without first contacting a service engineer.

The Functional Description section outlines models covered, standard features, and safety features. Additional sections within the manual provide instructions for installation, preoperational procedures, operation, preventive maintenance, and corrective maintenance.

The Installation chapter includes required data for receiving, unpacking, inspecting, and setup of the equipment. We can also provide the assistance of a factory-trained technician to help train your operator(s) for a nominal charge. This section includes instructions, checks, and adjustments that should be followed before commencing with operation of the equipment. These instructions are intended to supplement standard shop procedures performed at shift, daily, and weekly intervals.

The Operation chapter includes a description of electrical and mechanical controls, in addition to information for operating the equipment safely and efficiently.

The Maintenance chapter is intended to serve as a source of detailed assembly and disassembly instructions for those areas of the equipment requiring service. Preventive maintenance sections are included to ensure that your equipment provides excellent, long service.

The Troubleshooting chapter serves as a guide for identification of most common problems. Potential problems are listed, along with possible causes and related solutions.

The Appendix contains technical specifications, drawings, schematics, parts lists, and available options. A spare parts list with part numbers specific to your machine is provided with your shipping paperwork package. Refer to this section for a listing of spare parts for purchase. Have your serial number and model number ready when ordering.

Safety Symbols Used in this Manual

The following safety alert symbols are used to alert you to potential personal injury hazards. Obey all safety messages that follow these symbols to avoid possible injury or death.

DANGER! DANGER indicates an imminently hazardous situation that, if not avoided,

will result in death or serious injury.

WARNING! WARNING indicates a potentially hazardous situation or practice that, if

not avoided, could result in death or serious injury.

Caution! CAUTION indicates a potentially hazardous situation or practice that, if

not avoided, may result in minor or moderate injury or in property damage.

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1-2 General Safety Regulations

This machine uses cutters for the performance of its intended use. Consequently, it can be a dangerous machine to operate and maintain unless these safety regulations are followed.

These regulations should be read, understood and periodically reviewed by all personnel involved in any way with this machine.

Never operate or remove any machine components that are secured by wrench-type fasteners unless the motor is electrically locked out and the rotor is motionless.

Never operate the machine or jog the rotor unless the cutting chamber covers, discharge chute, or any guards or covers are in place and secure. Do not circumvent the safety interlocks.

Prior to clearing a jam or performing any maintenance, the motor should be turned off and electrically locked out. Be sure that the rotor has come to a stop. Hands must not be inserted into the machine to clear the jam.

Do not extend any part of the body into feed roll openings or discharge area unless the motors are electrically locked out and the rotor and feed rolls are motionless.

Never extend fingers through holes in screen. Be sure that the v-belts are properly aligned and that tension is at its maximum. Extreme care should be taken to see that all screws are properly tightened at all times. During

the operation of the machine, rotor cutter screws may come loose. Although fine threads are used on the rotor cutter screws because vibration does not easily loosen them, you should inspect the tightness of the screws frequently.

This machine is designed for the granulation of plastic materials. Do not feed any other materials into the machine.

1-3 Responsibility

These machines are constructed for maximum operator safety when used under standard operating conditions and when recommended instructions are followed in the maintenance and operation of the machine.

All personnel engaged in the use of the machine should become familiar with its operation as described in this manual.

Proper operation of the machine promotes safety for the operator and all workers in its vicinity.

Becoming familiar with materials, inspection, speed limitations, screens, and guard maintenance and total user responsibility will assist you in learning potential areas in need of observation for danger.

Each individual must take responsibility for observing the prescribed safety rules as outlined. All caution, warning and danger signs must be observed and obeyed. All actual or potential danger areas must be reported to your immediate supervisor.

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1-4 Warnings and Precautions

Our granulators are designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes.

To avoid possible personal injury or equipment damage when installing, operating, or maintaining this granulator, use good judgment and follow these safe practices:

; LEARN AND OBEY your company’s safety policy regarding granulating

equipment.

; MOVING OR LIFTING THE GRANULATOR: Although our equipment is built

and engineered for great ruggedness in operation, care must be taken when moving the machine along the floor or lifting it. Damage may occur to sheet metal covers, electrical cabinets, or small brackets if pressure is applied to them when moving the granulator. When lifting the granulator, be certain of total machine weight and the capability of the lifting equipment. (See the Granulator Specification Sheets for machine weights and dimensions.)

; SHREDDER LOCATION: Adequate area for routine maintenance should be

provided in order to open the machine for cutter, screen, or cleanout service. Proper service area clearances also should allow people who are working on the machine to be clearly visible to others, thereby reducing the potential safety hazards.

; SAFE HOUSEKEEPING: The work area must be kept clean and uncluttered during

periods of operation or maintenance. No hand tools or other metal objects should be left on or around the machine. Any tools or other metal objects that mistakenly fall into the hopper feed opening can cause severe damage to internal cutting chamber, rotor and screen components.

; SAFETY GLASSES OR A FACE SHIELD MUST ALWAYS BE WORN when

servicing or operating the machine. Although our machines are designed for the maximum in flyback control, caution must be used when operating near the hopper feed opening in order to guard against unexpected material flyback.

; EAR PROTECTION may be required when operating the machine during

granulation of very hard or noisy materials. The Occupational Safety and Health Act of 1970 has established guidelines for Permissible Noise Exposures (OSHA 1910.95) that should be followed.

; NEVER attempt to operate the machine unless it is fully assembled with all guards

and interlocks in place and functional.

; OBSERVE all danger, warning, caution and safety labels on the equipment. ; Upon completion of any machine maintenance, be certain ALL SAFETY GUARDS

AND COVERS are securely and properly fastened prior to resuming machine operation. All fasteners must be in place and properly tightened. ANY

SHORTCUTS MAY RESULT IN INJURY TO PERSONNEL OR DAMAGE TO EQUIPMENT.

; NEVER wear any loose fitting clothes, neckties, or dangling items such as earrings,

belts, or shoestrings. Jewelry, such as wristwatches, bracelets, or rings should NEVER be worn. Long hair must be tied back or placed in a tight fitting hairnet. NEVER lean against or rest hands or feet on the granulator when it is in operation or open for maintenance. NEVER stand on the granulator when it is in operation.

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; ROTATION OF MOTORS: The correct rotating direction for the machine motor is

clearly marked on the machine. Always check for proper rotation of motors. Incorrect rotation direction can cause severe damage.

; ELECTRICAL GROUNDING: All electrical equipment on the granulator must be

grounded in accordance to all local codes and Article 250 of the National Electric Code.

; ALWAYS DISCONNECT AND LOCKOUT the main electrical power to the

granulator before performing any service.

; SAFETY INTERLOCKS MUST NOT BE BYPASSED. The mechanical and

electrical safety interlocks ensure the safety of personnel. They should never be tampered with or removed for ANY reason. They should be checked frequently by a qualified mechanic for proper operation.

; NEVER modify the machine configuration or any individual component without

written notice from the factory.

Remaining Risks The machine is constructed so that you are able to operate it safely. Structurally non-

avoidable dangers are prevented as well as possible by the protective devices. Certain risks still remain. It is imperative to be aware of these risks in order to avoid accidents. To avoid danger, please observe all safety advice provided.

Type of Danger Activity Possible

Consequences

Danger of crushing by heavy parts falling down/over

Cutting caused by sharp cutters—even when rotor is stationary

Crushing when opening/closing maintenance doors on front side of machine

Tripping over cables and other objects

Crushing, cutting, amputation caused by run down of the rotor

Unloading and transporting the machine and/or components

Cutter replacement, cutter setting, cutter sharpening and other maintenance work

Maintenance work Serious injury

All activities Serious injury

Maintenance work Serious injury or death

Serious injury

Serious injury particularly to hands and fingers

Preventative Measures

• Wear personal protective gear

• Follow safety instructions in

manual

• Wear personal protective gear

• Follow safety instructions in

manual

• Make sure no persons are in the danger area while closing the door

• Lay cables in accordance with regulations.

• Keep work station clean and tidy.

• Maintenance doors must always

be tightly locked during operation.

• DO NOT make the run down safety devices ineffective by using technical aids or other manipulations.

• NEVER use hands to check if the rotor has stopped.

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Type of Danger Activity Possible

Consequences

Preventative Measures

Pulling in caused by running V-belts

Direct/indirect contact with live parts in terminal box.

Failure of Emergency Stop function

Fire/explosion caused by throwing dangerous objects (i.e. spray cans) into the shredder

Damage to hearing All activities Diminished hearing,

Instability of machine caused by vibration

Loosening of the cutting cutter mountings caused by vibration

Inhalation of grinding dust

All activities Serious injury can result

from hair, jewelry, etc. being pulled into the machine.

Maintenance work, start up

All activities Serious injury or death

Grinding Serious injury or death

All activities Serious injury

All activities Diseases of the

Serious injury or death

headaches, impaired balance, deterioration of concentration

respiratory tract, etc.

• Never dismount V-belt protection and window.

• Only trained electricians may carry out all work on the electrical equipment. If work is necessary on parts that conduct dangerous voltage, a second person should be present to break the power supply in case of emergency.

• The yellow-marked lines conduct voltage at all times—even when the machine is switched off.

• Only use original safety fuses with stipulated intensity of current.

• Faulty electrical components must be replaced immediately.

• If faults occur in the electrical energy supply, switch machine off immediately.

• The terminal box must be locked during operation. Before opening the terminal box switch too off (“O”).

• It must be guaranteed that failure of an Emergency Stop button is displayed and leads to an immediate stop.

• Only grind material which corresponds to the agreed customer-specific specifications in all points.

• Reduce noise emissions by taking suitable measures.

• Wear ear protection.

• Install the machine according to

the instructions in the manual.

• Check the cutting cutter mountings regularly according to the instructions in the manual.

• Mount a suitable air suction device and wear breathing equipment if necessary.

• When cleaning the machine, use suction; do not blow out grinding dust.

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Type of Danger Activity Possible

Consequences

Preventative Measures

Crushing, cutting, amputation caused by manipulation of protective devices

For further information on granulator safety, installation, and operation, see the American National Standard for Plastics Machinery Size Reduction of Plastics

We have long recognized the importance of safety and have designed and manufactured our equipment with operator safety as a prime consideration. We expect you, as a user, to abide by the foregoing recommendations in order to make operator safety a reality.

All activities Serious injury or death

⎯

Granulators, Pelletizers, and Dicers Used for

⎯

Construction, Care, and Use. ANSI B151.11-1982.

• Never make the protective devices ineffective.

• Check the protective devices regularly for proper function according to the manual’s specifications.

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Chapter 2: Functional Description

2-1 Models Covered in This Manual

The models included in this manual are the Sterling SMS 850, 1200, 1500 and 2000 Medium Duty Single Shaft Shredders. The SMS Series is designed for processing scrap from wood industries—miscellaneous trim and panel scraps, furniture, injection and extrusion mold start-up purge, heavy wall parts, paper and cardboard, and film (baled and loose).

2-2 General Description

Mechanical Section

After the machine has been switched ON, a hydraulically controlled “swing-style” ram pushes a quantity of material onto the slow-running profiled rotor. The in-feed is controlled according to load.

The material can be placed (unsorted) in the hopper mounted on top of the machine. Pay attention to this material; it cannot contain any other metal parts except for staples and nails. (The guarantee does not cover any damage to the machine as a result of metal parts being fed into the machine.) The material in the hopper is shredded by the cutters on the rotor. This shredding process is repeated as often as required until the whole diameter of the screen below the rotor has been reached.

The shredder can also be switched off with material still in the hopper.

Control

The machine is fitted with an automatic shut-down; i.e. when set to automatic, the machine switches off after a pre-set period in the time relay.

The ram feeds the shredding unit (rotor) with as much material as it is able to process. Upon reaching 70 to 90 % of rated current, the feeding of the ram will be stopped and automatically started again after the power consumption has fallen by 20% in comparison with rated current. If the high current is applied longer than 0.7 - 1.5 seconds, the main drive motor switches off and runs back after about 3 seconds standstill time. The ram plate also runs back while the rotor runs back. The drive motor then stops for another 3 seconds before starting again.

Duration of pauses and return and current settings can be adjusted.

NOTE: Any alterations should only be carried out after consulting the manufacturer.

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Machine (Standard Execution)

(1) Base Frame (2) Machine door (3) Hopper door (4) Gear Box (5) Drive motor (6) V-belt guards (7) Ram hydraulic guards (8) Discharge area

The machine housing, drive motor, gear box, hydraulic system and terminal box are mounted on the base frame for electrical connections.

2-3 Typical Features and Components

Material In-feed

The material can be fed into the shredder in the following ways:

• Manual in-feed of the material directly into the in-feed hopper.

• Manual in-feed of the material with the help of an additional in-feed device

(e.g. hydraulic feeding unit).

• Automatic in-feed of the grinding material via an additional in-feed device

(i.e. conveyor belt).

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Special hopper with hydraulic cover

In-feed Hopper

The material in-feed flows through an in-feed hopper to ensure the grinding material is delivered safely and correctly.

NOTE: An optional top-hinged cover to prevent in-feed material fly-back during size reduction is available.

Additional In-feed Device

If the machine has an optional in-feed device such as a conveyor belt, please refer to the additional information about the accessory in the manufacturer’s manual that accompanied the accessory. A special hopper for an in-feed with conveyor arrangement can be supplied as an option to the standard hopper.

Hopper for conveyor belt in-feed

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Drive

The drive of the rotor runs using an electric motor via V-belts. The motor (mounted on sliding rails or a motor plate) can be adjusted for regulating the tension of the V-belts using tensioning screws. The V-belt pulley is attached to the motor shaft with a special tensioning element.

Drive motor

NOTE: Please observe the operation manual from the manufacturer!

Rotor, Cutters, Bed Cutters

Rotor, cutters, bed cutters

• The material is shredded between the cutters assembled on the rotor and the bed

cutters; they are mounted in a fixed position in the machine lower section.

• All rotors are equipped with square cutters. These cutters make light work of the

heaviest pieces.

NOTE: The cutters have four corners so they can be easily turned once a corner has

worn out.

• The design of the rotor has a significant influence on the quality of the shredding

process and the results. The rotor construction, the type of cutter mounting and the number of cutters have been matched to the application.

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(1) Rotor cutter (2) Screen support

(hydraulic)

(3) Bed cutter

(1) Rotor cutter (2) Screen support

The rotor is accessible after opening the machine door and removing the screen.

The rotor is arranged on roller bearings that situated outside the housing. The V-belt pulley is attached to the rotor axis with a taper brush. The rotor is dynamically counterbalanced and has vibration-free concentricity.

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An optional feature is a water cooling system for the rotor used for special applications.

Bearing with water plug for rotor cooling

Screen and screen support

The screen and the screen support are welded together and fixed to the housing by screws in the standard execution.

The screen is slightly larger in radius than the cutting circle of the rotor cutters. The screen perforation is selected according to the desired grain size of the grinding material. All shredding material parts which are smaller than the screen perforation fall through the screen. The screen is replaceable and can be taken out after opening the machine door.

Standard screen

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(1) Hydraulic cylinder (2) Screen support (3) Screen

Another optional feature is a screen support that can be lowered by a hydraulic system.

Discharge with conveyor

Discharge of Shredding Material

Normally the shredded material will be discharged onto a conveyor belt. (Options include a discharge with blower or with a screw conveyor.)

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Hydraulic Ram

The hydraulic ram is fixed on two arms arranged on flange bearings. Two heavy duty hydraulic cylinders move the ram back and forth. The ram moves automatically after switching ON the hydraulic system and the shredder when the machine is operated in automatic mode.

NOTE: The ram can be moved by hand on the control panel when run in manual

(1) Hydraulic cylinder (2) Flange bearing (3) Ram arm (4) Ram (5) Hydraulic unit

mode.

(1) Serrated ram front

plate

(2) Rotor

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Pulse Push Function

In normal process mode, the ram pushes forward continuously until the ram arm reaches the proximity switch, reverses the function, and the ram moves backwards.

The ram moves forward in steps when the switch (1) is changed to “Pulse Push”. This means that after each step, the ram remains in position for a couple of seconds before it moves forward again.

This function should be used for very heavy applications and when overloading the system is a concern.

(1) Pulse push switch

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2-4 Safety Features

Safety device: machine door

Protective Devices

CAUTION: The Machine may under no circumstances be operated without these

protective devices. The use of faulty or manipulated protective devices is strongly prohibited.

Safety Device for Housing Flap

Safety device: hopper door

The shredder can only be operated if the doors are closed—deactivating the safety switch. The safety contact is broken when the machine or hopper door is open, thus switching off the machine.

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V-Belts and Ram Guards

V-belt and ram guards are screwed to the machine. They can be dismounted for installation and maintenance work only when all rotating parts have come to a complete standstill and the machine is electronically locked out.

(1) Ram guarding (2) V-belt guarding

NOTE: The operator must fit and mount the protective devices delivered with the

machine according to current legal safety regulations if a machine is delivered without drive motors per request of the customer.

Safety Markings

Safety markings are attached to the machine. Should one of these markings becomes detached or is no longer recognizable, it must be replaced. New safety markings can be ordered through safety signage provides or from the manufacturer.

Personal Protective Gear

Wear close-fitting clothing. Hair must be pulled back, and loose jewerly is prohibited.

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The following protective gear must be worn when carrying out the following tasks:

Unloading machine. x x x Connecting machine. x Operation. x x x x

Cleaning. x x x Maintenance of bearings. x Screen replacement. x x Maintenance of V-belts. x Maintenance of cutting

cutters. Cutter sharpening. x x x x

Safety helmet

Emergency Stop Button

The machine may only be operated with the installed Emergency Stop buttons. An Emergency Stop Button must be mounted to the control cabinet and another on the grinding material in-feed.

Immediately press one of the Emergency Stop buttons in case of an emergency.

CAUTION! The Emergency Stop must be activated in all situations where injury or

damage could result!

Re-operation:

Safety boots

Safety gloves

x x

Safety goggles

Ear muffs

1. Eliminate cause of Emergency Stop.

2. Unlock Emergency Stop button

3. Acknowledge fault.

4. The machine is now ready for operation.

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Chapter 3: Installation

3-1 Uncrating the Equipment

Requirements at Application Site

Check the application site to make sure it conforms to the qualifications listed below.

• The site is an enclosed space.

• The ground has sufficient load-bearing capacity (Refer to “Technical

Specifications” in the Appendix for machine weight). The unevenness of the ground surface may not exceed 5 mm.

• The machine must be freely accessible from all sides.

• There must be sufficient room available for operating and service personnel.

• Spatial requirements: Refer to “Drawing and Diagrams” in the Appendix for

machine dimensions . All hinged parts must be able to be opened completely.

• Vibration-free environment.

• The site has sufficient lighting.

• The machine may not be exposed to direct radiation caused by radiators or

the sun.

• Room temperature: +41 to 104 °F (+5° to +40°C)

• Relative atmospheric humidity according to DIN 40040:

15 to 70 % (indoor)

NOTE: By humidity levels higher than 70 %, apply anticorrosive agent

to the metallic-finished machine parts. Insulation for the tropics is also necessary.

• The machine may not be operated within range of static discharges or strong

magnetic fields as this could lead to faults in the machine control system.

Unloading and Installing the Machine

The machine and components are packed so they arrive safely. Use a suitable crane or forklift for unloading the packaged machine and/or components.

1. Remove the packaging material and all transportation safety devices after

unloading the machine.

2. In the case that the shredder and its accessory components have been

delivered as individual items, mount them at the site of application in accordance with the Assembly Drawing. This is the only way to guarantee there are sufficient piping parts, tubing, and cable connections, and that the linking places match.

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WARNING! SUSPENDED LOAD!

• Falling loads can cause serious injury or death.

• Only use a crane or forklift suitable for the weight and the

dimensions of the load.

• Use suitable stopping equipment and pay attention to the gravity

center location.

• DO NOT step under the suspended load.

• Wear a safety helmet in addition to basic protective gear.

WARNING! OVERTURNING OR FALLING MACHINE!

• Serious injury or death can result.

• If erecting the granulator over a pit, on a frame, or on a platform,

you MUST secure the machine by putting mounting screws through the holes on the mounting pads (see Assembly Drawing). If assembling the machine on solid ground, this safety device is not always necessary.

3. Align the machine horizontally with the help of a suitable spirit level.

4. Do not use blocks to place underneath the machine; use metal strips to

prevent buckling of the base frame. Make sure that an even distribution of weight is achieved on all the points of support.

3-2 Electrical Connections

CAUTION! Electrical connections should only be made by a qualified electrician.

WARNING! DANGEROUS VOLTAGE! Touching live parts can lead to serious injury or death. All work relating to the electricity of the machine may only be carried out by trained electricians. Observe the currently effective EMC regulations.

Voltage, current, frequency, and protection are marked on the type plate. The voltage tolerance is +/- 10%.

The electrical connection is to be carried out in accordance with the wiring diagram in the terminal box for machines not pre-wired by the manufacturer.

NOTE: When making electrical connections, the regulations of the local electricity

authority must be followed. The required cable cross section required is determined according to the rated capacity of the units.

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WARNING! Use caution when operating specific equipment to prevent electrical shock. Installation, service, alterations, and/or modifications must only be done by qualified personnel and with high regard for safety. Not conforming to the requirements could result in bodily harm, death, or costly damage.

NOTE: Alterations to the wiring diagrams require approval. Failure to do this will

exclude all guarantee claims.

The wiring schematics are located in the control panel.

Connection of Emergency Stop Button

The machine may only be operated with installed Emergency Stop buttons. An Emergency Stop button must be installed at the control cabinet and at the grinding material in-feed if no Emergency Stop buttons have been installed at the factory.

NOTE: The control panel with the switches and Emergency Stop button must be installed

near the machine. The distance should not exceed 5 m. The distance between the floor and the lower edge of the control panel should be

at least 1 m.

The connecting cables between the control panel and the machine must be protected against damage (cable tray, protective sleeve).

An additional Emergency Stop button has to be installed on the machine if the control box cannot be installed according to these rules.

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Checking the Rotational Direction

Rotational direction of the motors must be checked before initial start-up. The following steps must be completed.

1. Switch the machine ON and then immediately OFF again.

2. Observe whether the discharge air fan in the drive motor is rotating in the

direction of the direction arrow.

NOTE: If running in the wrong direction, reconnect the motor connection immediately. Damage to the machine will result from operation in the wrong direction.

3-3 Initial Start-up

General Advice

• All work related to start-up may only be carried out by trained and specialized

personnel.

• Check the machine for possible transportation damage or other damage. If any

damage exists, confirm it with the freight company and report it to the manufacturer.

• After setting up for service and before starting up for the first time, necessary checks

must be completed.

• Check the oil level of the gear box before operating the machine.

• Fill oil into the hydraulic tank.

• Please observe the operation manual from the manufacturer

Machine Check Prior to Start-up

9 Use a torque wrench to check the cutter mounting screws when lower housing flap is

open.

9 Search the grinding chamber for foreign matter. 9 Open the lower housing flap and make sure the screen has been inserted in

accordance with the regulations.

9 Close upper housing flap and fasten screws tightly. 9 Check oil level of the gear box. 9 Fill oil into the hydraulic unit. 9 Examine in-feed device (accessories) for foreign matter. 9 Check that the Emergency Stop buttons are unlocked. 9 Check all safety devices for proper functioning.

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