GEK-76184

July 5, 2017 | Author: jcgarciarios | Category: Turbine, Turbocharger, Mechanical Engineering, Technology, Business
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GE Transportation

Turbocharger Rotor n o i Balancing Instructions mat r

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Doc No. GEK-76184, Rev. D

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GEK-76184D

© 2007 General Electric Company. All rights reserved. This publication contains proprietary information that has been identified as “GE Restricted” and intended for GE internal use only. Distribution of this publication and the information contained herein is limited to authorized GE employees, and any distribution or disclosure outside GE is strictly prohibited absent written consent from GE management. If you are not an authorized recipient of this publication, you are hereby notified that any perusal, use, distribution, copying or disclosure is strictly prohibited. If you have received this publication in error, please immediately return to GE at the following address: GE Transportation, Technical Publications Department, Building 14, 2901 East Lake Rd., Erie, PA 16531.

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GEK-76184 Rev.D BALANCING INSTRUCTIONS for GE Turbocharger Rotor Assemblies CONTENTS Page 1. 1.1. 1.2. 1.3. 2. 3. 4.

GENERAL INFORMATION.......................................................................................................................................................................................... INTRODUCTION .......................................................................................................................................................................................................... RELATED PUBLICATIONS.......................................................................................................................................................................................... CONTROLS AND INDICATORS................................................................................................................................................................................ FUNCTIONAL DESCRIPTION ................................................................................................................................................................................... SCHEDULED MAINTENANCE.................................................................................................................................................................................. BALANCING PROCEDURE........................................................................................................................................................................................

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GEK-76184 Rev.D BALANCING INSTRUCTIONS for GE Turbocharger Rotor Assemblies LIST OF FIGURES Figure. 1

Page

GE Turbocharger Rotor Balancing Information. .......................................................................................................................................... 7

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GEK-76184 Rev.D BALANCING INSTRUCTIONS for GE Turbocharger Rotor Assemblies

1.

GENERAL INFORMATION

1.1.

INTRODUCTION This instruction covers the procedure for balancing General Electric turbocharger rotor assemblies. Refer to Section 1.2, for assembly instructions for the rotor built up from turbine disk and compressor wheel assemblies.

1.2.

RELATED PUBLICATIONS

Turbochargers -Model 7S1408

GEK-61249

Turbochargers - Models 7S1612/7S1616

GEK-61381

Turbochargers - Model 7S1712

GEK-76704

Turbochargers - Model 7S1716

GEK-76393

7S1408D9 and 7S1408M Turbochargers, Inspection and Service

GEK-114281

7S1408D9 and 7S1408M Turbocharges, Repair and Overhaul

GEK–114282

1.3.

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CONTROLS AND INDICATORS

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NOT APPLICABLE

2.

FUNCTIONAL DESCRIPTION NOT APPLICABLE

3.

SCHEDULED MAINTENANCE

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ar t BALANCING PROCEDURE ie r p NOTE: It is no longer o necessary to balance turbine disk and compressor wheel assemblies separately before r balancing the turbocharger rotor. P E 1. AssembleG the turbocharger rotor per instructions in the appropriate Turbocharger publications (refer to SecNOT APPLICABLE

4.

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tion 1.2). Include a drive pulley if it is required for the balancing machine.

NOTE: Any tooling used for balancing, such as a drive pulley, must be balanced itself so that it does not contribute more than 0.002 in. oz. out of balance to the balancing operation 2. Support the rotor at the bearing center lines in the balance machine (Figure 11). See TABLE 1 for setup data. Rotate the rotor at 1100 rpm minimum. 3. Dynamic balance the rotor to within 0.03 in. oz. in each of the two planes shown in Figure 1 (planes A and B) by removing material from the two areas indicated. Observe the limits for material removal as shown in Figure1.

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GEK-76184 Rev.D BALANCING INSTRUCTIONS for GE Turbocharger Rotor Assemblies TABLE 2. SUMMARY DATA Model

"E"

"F"

"G"

"H"

"J"

"K"

7S13––

.50

5.44

3.12

3.06

0.1

6.95

7S14––

.50

5.44

3.12

3.06

0.1

7.70

7S16––

.75

6.88

4.50

3.81

0.2

8.25

7S17––

.75

6.88

4.50

3.81

0.2

8.50

NOTE: Refer to Figure 1 for positions.

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GEK-76184 Rev.D BALANCING INSTRUCTIONS for GE Turbocharger Rotor Assemblies

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Figure 1. GE Turbocharger Rotor Balancing Information.

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