MAYO 750 Manuale utente

BELTED

SCREEN SIZER

Model 750

OPERATOR'S MANUAL

MAYO MANUFACTURING, INC. LIMITED WARRANTY

THE FOLLOWING WARRANTIES FOR MACHINERY, EQUIPMENT OR PARTS SOLD BY MAYO MANU-

FACTURING, INC. ARE IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, OR THOSE

WARRANTIES IMPOSED BY STATUE, INCLUDING, BUT NOT LIMITED TO ANY AND ALL IMPLIED WAR-

RANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND OF ANY AND ALL

OTHER WARRANTY OBLIGATIONS ON THE PART OF MAYO MANUFACTURING, INC. (The Company).

The Company warrants the machinery, equipment or parts delivered against faulty workmanship or the

use of parts delivered against faulty workmanship or the use of defective materials for a period of one (1)

year from the date of shipment.

The Company's warranties set forth above are the only warranties made by the Company and shall not be

enlarged, diminished or aected by, and no obligation or liability shall arise out of the Company's rendering

technical or other advice or service in connection with the machinery, equipment or parts.

Parts or components furnished to the Company by third persons are guaranteed only to the extent of the

original manufacturer's guarantee to the Company, a copy of which will be supplied to the Purchaser upon

written request to the Company.

LIABILITY

THE COMPANY'S SOLE AND EXCLUSIVE MAXIMUM LIABILITY, AND PURCHASER'S SOLE AND EX-

CLUSIVE REMEDY under the above warranty shall be, at the Company's option, the repair, or replacement

of the machine, equipment or part which is found to be defective due to faulty workmanship or defective

materials, and is returned by the Purchaser to the Company within the warranty period. Shipment both

ways and in transit damage shall be at the purchaser's risk and expense. If the Company elects to repair or

replace the machine, equipment, or part, the Company will have a reasonable time within which to do so.

The remedies set forth above are available upon the following conditions:

1. Purchaser has promptly notied Company upon discovery that the machinery, equipment, or parts are

defective due to faulty workmanship or defective materials; and

2. Purchaser provides Company with a detailed description of the deciencies; and

3. Company's examination discloses that the alleged deciencies exist and were not caused by acci-

dent, re, misuse, neglect, alteration, or any other hazard or by Purchaser's improper installation, use or

maintenance.

Such repair or replacement shall constitute fullment of all Company's liability to Purchaser, whether

based on contract or tort.

This warranty does not apply to any machine that has been altered outside the factory in any way so as,

in the judgement of Mayo, to aect its operation, reliability or safety, or which has been subject to misuse,

neglect or accident.

In the event the Company breach any other provisions of the Purchase Agreement, the Company's EX-

CLUSIVE MAXIMUM LIABILITY AND PURCHASER'S EXCLUSIVE REMEDY, whether in contract or tort,

otherwise shall not in any event exceed the contract price for the particular machine, piece of equipment

or parts involved.

IN NO EVENT SHALL COMPANY BE LIABLE TO ANYONE FOR SPECIAL, COLLATERAL, INCIDENTAL,

OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY PROVISIONS OF THIS CONTRACT OR WAR-

RANTY. SUCH EXCLUDE DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, costs of REMOVAL AND

REINSTALLATION OF ITEMS, Loss of GOODWILL, LOSS OF PROFITS, LOSS OF USE OR INTERRUP-

TION OF BUSINESS.

WARRANTY VOID IF NOT REGISTERED

MAYO MANUFACTURING, INC.

MODEL 750 BELTED SCREEN SIZER

DEALER INSPECTION REPORT

SAFETY

_______All Decals Installed

_______Review Operating & Safety Instructions

_______Inspect Electrical System

_______Lubricate Machine

_______Drive Chain Tensioned and Aligned

_______Speed Reducer Gearbox Oil Level Checked

_______Check Condition of Sizing Belt

_______Check Condition, Tension and Alignment of

Elevator, Inline and Cross Conveyor

_______System Components

WARRANTY REGISTRATION FORM & INSPECTION REPORT

WARRANTY REGISTRATION

This form must be lled out by the dealer and signed by both the dealer and the customer at the time of

delivery.

Customer’s Name ____________________________ Dealer's Name ______________________________

Address _____________________________________ Address____________________________________

City, State/Prov., Code ________________________ City, State/Prov., Code _______________________

Phone Number ( _____ ) ______________________

Washer Model________________________________

Serial Number ________________________________

Delivery Date_________________________________

WHITE YELLOW PINK

MAYO MFG., INC. DEALER CUSTOMER

I have thoroughly instructed the buyer on the above described equipment which review included the

Operator’s Manual content, equipment care, adjustments, safe operation and applicable warranty policy.

Date ____________________________________ Dealer’s Rep. Signature _____________________________

Signature ________________________________

The above equipment and Operator’s Manual have been received by me and I have been thoroughly in-

structed as to care, adjustments, safe operation and applicable warranty policy.

Date ____________________________________ Owner's Signature _________________________________

SERIAL NUMBER LOCATION

Always give your dealer the serial number of your Mayo Belted Screen Sizer when ordering parts or re-

questing service or other information.

The serial number plate is located where indicated. Please mark the number in the space provided for

easy reference.

Model Number __________________________________

Serial Number __________________________________

SERIAL NUMBER LOCATION

TABLE OF CONTENTS

SECTION DESCRIPTION PAGE

1 Introduction ......................................................... 1

2 Safety.................................................................... 3

2.1 General Safety ....................................................... 4

2.2 Equipment Safety Guidelines ................................ 5

2.3 Storage Safety....................................................... 5

2.4 Safety Training ....................................................... 6

2.5 Safety Signs........................................................... 6

2.6 Preparation ............................................................ 7

2.7 Installation Safety .................................................. 7

2.8 Lock-Out Tag-Out Safety ...................................... 7

2.9 Operating Safety.................................................... 8

2.10 Maintenance Safety............................................... 8

2.11 Transport Safety .................................................... 9

2.12 Electrical Safety..................................................... 9

2.13 Employee Sign-O Form ..................................... 10

3 Safety Sign Locations ....................................... 11

4 Operation............................................................ 17

4.1 To the New Operator or Owner............................ 17

4.2 Machine Components ......................................... 18

4.3 General Operation Theory ................................... 20

4.4 Machine Break-In ................................................ 21

4.5 Pre-Operation Checklist ...................................... 22

4.6 Controls ............................................................... 23

4.7 Machine Preparation ........................................... 26

4.8 Operating............................................................. 28

4.9 Transport.............................................................. 33

4.10 Storage ................................................................ 36

TABLE OF CONTENTS

SECTION DESCRIPTION PAGE

5 Service and Maintenance ................................. 38

5.1 Service................................................................. 38

5.1.4 Service Record .................................................... 49

5.2 Maintenance ........................................................ 50

5.2.1 Electrical System Inspection ............................... 50

5.2.2 Speed Reducer Gearbox Oil ............................... 51

5.2.3 Breather Cleaning................................................ 52

5.2.4 Drive Chain Maintenance .................................... 53

5.2.5 Sizing Belt Maintenance ...................................... 54

5.2.6 Elevator Belt Maintenance................................... 56

5.2.7 Cross Conveyor Maintenance ............................. 57

5.2.8 Inline Conveyor Maintenance .............................. 58

6 Trouble Shooting................................................ 59

 7 Specications .................................................... 61

7.1 Mechanical .......................................................... 61

7.2 Bolt Torque .......................................................... 62

7.3 Electrical Schematic ............................................ 63

8 Index ................................................................... 64

1 INTRODUCTION

Congratulations on your choice of a Mayo Model 750 Belted Screen Sizer and welcome to Mayo's quality

line of potato handling equipment. This equipment is designed and manufactured to meet the needs of a

discriminating buyer in the agricultural industry for the loading, unloading, processing, sizing and storing of

harvest yields.

Safe, ecient and trouble free operation of your new Mayo Screen Sizer requires that you, and anyone else who

will be operating or maintaining the Screen Sizer, read, understand and practice ALL of the Safety, Operation,

Maintenance and Troubleshooting recommendations contained within this Operator's Manual.

This manual applies to all Model 750 Belted Screen Sizers manufactured by Mayo. Certain options may be

available to specically tailor the Screen Sizer to your operation and may not be included in this manual.

Please contact the manufacturer regarding additional information about these options. Use the Table of Con-

tents and Index as a guide to nd specic information.

Keep this manual handy for frequent reference and so that it will be passed on to new operators or owners.

Call your Mayo dealer if you need assistance, information or additional copies of this manual.

MACHINE ORIENTATION - The intake end of the frame is the front. The control panel is on the left side of the

frame.

The Safety Alert symbol identies

important safety messages on your

Mayo Belted Screen Sizer and in the

manual. When you see this symbol,

be alert to the possibility of personal

injury or death. Follow the instruc-

tions in the safety message.

2 SAFETY

SAFETY ALERT SYMBOL

If you have any questions not answered in this manual or require additional copies or the manual is damaged,

please contact your dealer or Mayo, P.O. Box 497, Bus Highway 2, East Grand Forks, Minnesota, 56721.

(Telephone) 218-773-1234, (FAX) 218-773-6693 or toll free at 1-800-223-5873.

Accidents Disable and Kill

Accidents Cost You Money

Accidents Can Be Avoided

Why is SAFETY important to you?

This Safety Alert symbol means

ATTENTION! BECOME ALERT!

YOUR SAFETY IS INVOLVED!

3 Big Reasons

DANGER -Indicates an imminently hazardous sit-

uation that, if not avoided, will result in

death or serious injury. This signal word

is to be limited to the most extreme

situations, typically for machine com-

ponents that, for functional purposes,

cannot be guarded.

WARNING - Indicates a potentially hazardous situ-

ation that, if not avoided, could result

in death or serious injury, and includes

hazards that are exposed when guards

are removed. It may also be used to

alert against unsafe practices.

CAUTION - Indicates a potentially hazardous situ-

ation that, if not avoided, may result in

minor or moderate injury. It may also be

used to alert against unsafe practices.

SIGNAL WORDS:

Note the use of the signal words DANGER,

WARNING and CAUTION with the safety

messages. The appropriate signal word for each

message has been selected using the following

guide-lines:

2.1 GENERAL SAFETY

1. Read and understand the

Operator's Manual and all

safety signs before supplying

power to, operating, maintain-

ing or adjusting the Screen

Sizer.

2. Only trained, competent persons shall operate the

Screen Sizer. An untrained operator is not quali-

ed to operate this machine.

3. Provide a rst-aid kit for use in

case of an accident. Store in a

highly visible place.

4. Provide a re extinguisher for use in

case of an accident. Store in a highly

visible place.

5. Install and properly secure all guards

and shields before

operating.

6. Wear appropriate

protective gear.

This list includes

but is not limited

to:

- Protective

shoes with slip

resistant soles

- Protective glasses or goggles

- Heavy gloves

- Hearing protection

7. Turn machine OFF, place all controls in their OFF

position, shut down and lockout power supply

and wait for all moving parts to stop before ser-

vicing, adjusting, maintaining, repairing or clean-

ing. (Safety lockout devices are available through

your Mayo dealer parts department).

8. Know the emergency medical center number for

your area.

9. Review safety related items with all operators

annually.

SAFETY

YOU are responsible for the SAFE operation and

maintenance of your Mayo Belted Screen Sizer. YOU

must ensure that you and anyone else who is going

to operate, maintain or work around the Screen Sizer

be familiar with the operating and maintenance pro-

cedures and related SAFETY information contained

in this manual. This manual will take you step-by-

step through your working day and alerts you to all

good safety practices while operating the Screen

Sizer.

Remember, YOU are the key to safety. Good safety

practices not only protect you but, also the people

around you. Make these practices a working part of

your safety program. Be certain that EVERYONE

operating this machine is familiar with the proce-

dures recommended and follows safety precautions.

Remember, most accidents can be prevented. Do

not risk injury or death by ignoring good safety prac-

tices.

• Read and understand the Operator's Manual

and all safety signs before supplying power to,

operating, maintaining or adjusting the Screen

Sizer.

• Screen Sizer owners must give operating instruc-

tions to operators or employees before allowing

them to operate the Screen Sizer, and at least an-

nually thereafter.

• The most important safety device on this equip-

ment is a SAFE operator. It is the operator’s re-

sponsibility to read and understand ALL Safety

and Operating instructions in the manual and to

follow these. Most accidents can be avoided.

• A person who has not read and understood all

operating and safety instructions is not qualied

to operate this machine. An untrained operator

exposes himself and bystanders to possible seri-

ous injury or death.

• Do not modify the equipment in any way.

Unauthorized modication may impair the func-

tion and/or safety and could aect the life of the

equipment.

• Think SAFETY! Work SAFELY!

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