GE gei-m1031 Installation and Maintenance Manual

GEI-M1031-B

Motor Installation and Maintenance Instructions

Horizontal AC Small Industrial Motors

NEMA 143-326 Frame

GE Energy

Totally Enclosed Fan Cooled Severe Duty, Energy Saver Models – 5KSxxxSTExxx

2012/08/24

GEI-M1031-B

Table of Contents

Subject Page

I. General Information……………………………………………………………………………………………………………………………………………………………………3

A. How to Properly use this Instruction Manual………………………………………………………………………………………………………………..3 B. Safety Symbol Legend…………………………………………………………………………………………………………………………………………………………3 C. Safe Motor Operation………………………………………………………………………………………………………………………………………………………….4

II. Receiving, Storage, Handling and Unpacking .......................................................................................................................................... 5

A. Receiving ............................................................................................................................................................................................................. 5

B. Storage ................................................................................................................................................................................................................ 5

C. Handling .............................................................................................................................................................................................................. 5

D. Unpacking .......................................................................................................................................................................................................... 6

E. Description of Labels and Nameplates……………………………………………………………………………….……………………………………….6 F. Model and Serial Numbers………………………………………………………………………………………………………………………………………………6

III. Installation ................................................................................................................................................................................................................... 7

A. Location ............................................................................................................................................................................................................... 7

B. Mounting ............................................................................................................................................................................................................. 7

C. Alignment .......................................................................................................................................................................................................... 7

1. Direct Coupling ....................................................................................................................................................................................... 7

2. End-Play Adjustment ........................................................................................................................................................................... 8

3. Belt Drive ................................................................................................................................................................................................... 8

D. Power Supply and Connections .............................................................................................................................................................. 9

1. Wiring and Grounding ........................................................................................................................................................................ 9

2. Allowable Voltage and Frequency ............................................................................................................................................ 10

3. Position of the Conduit Box .......................................................................................................................................................... 10

IV. Operation .................................................................................................................................................................................................................. 10

A. Prior to Starting ............................................................................................................................................................................................ 10

B. Insulation Resistance ................................................................................................................................................................................ 10

C. Steps Prior to Initial Start ......................................................................................................................................................................... 11

D. Initial Start ....................................................................................................................................................................................................... 12

E. Jogging and Repeat Starts ..................................................................................................................................................................... 12

F. Heating ............................................................................................................................................................................................................. 12

V. Maintenance ....................................................................................................................................................................................................... 13

A. General Cleanliness .................................................................................................................................................................................... 13

B. Insulation and Windings .......................................................................................................................................................................... 13

1. General .................................................................................................................................................................................................... 13

2. Vacuum and Compressed Air Cleaning ................................................................................................................................. 13

3. Cleaning with Water and Detergent ........................................................................................................................................ 14

4. Cleaning with Solvents .................................................................................................................................................................... 14

5. Revarnishing Windings ................................................................................................................................................................... 14

C. Lubrication and Bearings ........................................................................................................................................................................ 14

1. Anti-Friction Bearing Relubrication & Maintenance ........................................................................................................ 14

2. Recommended Regreasing Procedure and Frequency .............................................................................................. 15

D. Anti-Friction Bearing Maintenance .................................................................................................................................................... 16

1. Removal .................................................................................................................................................................................................. 16

2. Reassembly ........................................................................................................................................................................................... 17

VI. Operational Difficulties ...................................................................................................................................................................................... 18

VII. Failure ..................................................................................................................................................................................................................... 19

VIII. Repair ..................................................................................................................................................................................................................... 19

IX. Renewal Parts ......................................................................................................................................................................................................... 19

I. GENERAL INFORMATION

This manual has been written to assist the user with proper procedures when handling, installing, operating and maintaining the equipment. All of the safety warnings and instructions in this book must be followed to prevent injury to personnel.

The installation and maintenance manual must be kept for future reference during installation, operation and maintenance.

The use of a lightning bolt within an arrowhead symbol, enclosed in a yellow triangle, indicates warning of dangerous electrical voltage that could cause an electric shock to a person.

The use of an exclamation point within a yellow triangle indicates to the user that important installation operating and maintenance instructions must be followed.

This symbol identifies any terminal which is intended for connection to an external grounding conductor for protection against electric shock in case of a fault.

The use of a small case “i” enclosed

in a square indicates a general note.

CAUTION:

Indicates a procedure or condition that, if not strictly observed, could result in minor injuries to personnel.

WARNING:

Indicates a procedure or condition that, if not strictly observed, could result in personal injuries or death.

A. How to Properly use this Instruction Manual

B. Safety Symbol Legend

Below is a safety symbol table that identifies the safety symbols that appear in this manual and on the equipment.

GEI-M1031-B

I. GENERAL INFORMATION (cont’d)

WARNINGS: High voltage and rotating parts can cause serious or fatal injuries. Qualified personnel should perform installation, operation and maintenance of electrical machinery. For equipment covered by this instruction book, it is important to observe safety precautions to

protect personnel from possible injury. Be sure to keep the installation and maintenance information for future reference. All warnings and cautions must be followed.

Installation

 Avoid contact with energized circuits and rotating parts.  Avoid bypassing or rendering inoperative any safeguards or protective devices.  Avoid use of automatic-reset thermal protection where unexpected starting of equipment might be

hazardous to personnel.

 Avoid contact with capacitors until safe discharge procedures have been followed.  Be sure the shaft key is captive before the motor is energized.  Avoid long exposure in close proximity to machinery with high noise levels.  Use proper care and procedures in handling, lifting, operating and maintaining the equipment.  Use proper protective gear when handling, lifting, installing, operating and maintaining the equipment.  If eyebolts are used for lifting motors, they must be securely tightened, and the direction of the lift must

not exceed a 15 angle with the shank of the eyebolt. Do not use eyebolts in an ambient below 0F. At lower temperature, the eyebolt could fail resulting in injury to personnel and/or damage to equipment. Drop-forged eyebolts per American Society of Testing Materials A489 or equivalent must be used.

 Do not use the shaft as a means for lifting.  Do not lift both the motor and driven equipment with the motor lifting means.  Do not stand on or place objects on the motor.

Maintenance

Safe maintenance practices performed by qualified personnel are imperative. Before starting maintenance procedures, be positive that:

 Equipment connected to the shaft will not cause mechanical rotation.  Main motor windings and all accessory devices associated with the work area are disconnected from

electrical power sources.

 The motor has been given time to cool.

Failure to properly ground the frame of the motor can cause serious injury to personnel. Grounding should be in accordance with the National Electrical Code and consistent with sound practice.

These instructions do not purport to cover all details in equipment nor to provide for every possible

contingency to be met in connection with installation, operation or maintenance. Should further information

be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purposes

the matter should be referred to the General Electric Company.

This document contains proprietary information of General Electric Company, USA and is furnished to its customer solely to assist that customer in the installation, testing, operating and/or maintenance of the equipment described. This document shall not be reproduced in whole or in part, nor shall its contents be disclosed to any third party without the written approval of GE Energy.

C. Safe Motor Operation

GEI-M1031-B

II. RECEIVING, STORAGE, HANDLING AND UNPACKING

Warning

The lifting lugs or eyebolts on the motor are designed for handling only the motor. They are not

to be used to lift the motor plus additional equipment such as pumps, compressors, or other

driven equipment. In the case of assemblies on a common base, the lugs or eyebolts provided on

the motor are not to be used to lift the assembly and base. The assembly should be lifted by a sling around

the base or by other lifting means provided on the base. In the case of unbalanced loads (such as couplings or

other attachments), additional slings, or other effective means should be used to prevent tipping. Failure to

observe these precautions may result in damage to the equipment, injury to personnel, or both.

A. Receiving

Each shipment should be carefully inspected upon arrival. Any damage should be reported promptly to the carrier and a claim filed. The nearest GE sales office can provide additional guidance.

B. Storage

If the machine will not be put into service immediately, certain precautions should be taken to protect the machine while in storage. It is recommended that the machine be placed under cover in a clean, dry location.

During storage, windings should be protected from excessive moisture by some safe and reliable method of heating, such as space heaters, to keep the temperature of the windings a few degrees above the temperature of the surrounding air. It is recommended that the machine be inspected at periodic intervals, the windings meggered, and a log kept of pertinent data. (Refer to Operation section.) Any significant drop in insulation resistance should be investigated.

Precautions are taken by the factory to guard against corrosion. The machined parts are coated to prevent rust during shipment. If the equipment is to be stored, examine the parts carefully for rust and moisture and re-coat where necessary.

Grease-lubricated machines have the bearings greased at the factory with the cavity approximately 50% full.

Rotate the shaft of all two-bearing machines 10-20 revolutions at two-month intervals.

C. Handling

Before lifting the motor, ensure that the eyebolt shoulder is completely seated against the motor frame boss. Eyebolt should only be tightened by hand.

The angle of lift must not exceed a 15o angle with the shank of the eyebolt.

GEI-M1031-B

II. RECEIVING, STORAGE, HANDLING AND UNPACKING (cont’d)

C. Handling (cont’d)

D. Unpacking

If the machine or machine parts have been exposed to low temperatures, unpack it only after it has reached the temperature of the room in which it will be unpacked or located condensation will occur.

E. Description of Labels and Nameplates

Motor rating and identification data are furnished on labels and nameplates. Labels provide basic motor characteristics. Nameplates provide a permanent record of motor characteristics, plant identification and date of manufacture.

F. Model and Serial Numbers

As discussed in section E, every motor that is manufactured by GE is provided with a model and serial number which is permanently marked on the motor nameplate and shipping pack. These numbers identify basic motor characteristics and pertinent data. When contacting a GE Service Shop or representative, please refer to the model and serial number.

GEI-M1031-B

+ 13 hidden pages