Reference Drawings.pdf

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W9127N26QA145 - PH2 BLADE SEALS REPLACEMENT for Bonneville Dam
Solicitation number
W9127N26QA145
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About this file

This document is a collection of engineering drawings and technical specifications for a 330-megawatt hydroelectric turbine runner assembly and related components, prepared for the Bonneville Project by Allis-Chalmers Corporation.

The drawings detail the design and manufacturing specifications for multiple turbine components including runner blades with anticavitation fin details, a runner hub assembly section, turbine shaft specifications, bushing details, gate mechanisms, and distributor sections. Key technical specifications include dimensional tolerances (primarily ±0.060" for 1-place decimals, ±0.030" for 2-place, and ±0.010" for 3-place), material requirements such as Greene Tweed #2410 and #2420-100 components, and MT (Magnetic Particle) Grade A inspection standards for casting quality. The drawings reference numerous other related drawing numbers (including 6574-series, 4296-series, 5845-series, and 4460-series documents) and specify welding requirements, including 100% ultrasonic testing in accordance with ASME Code Section VIII Appendix U. Design includes provisions for field assembly with specific installation procedures for lifting lugs, shim requirements, and prestressing bolt torque specifications (ranging from 400 to 1,100 foot-pounds depending on component). The drawings bear approval stamps from the Corps of Engineers, U.S. Army, North Pacific Division and are marked as confidential property of Allis-Chalmers Corporation, York Plant, Pennsylvania, with first use date of 20491.

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17 16 15 14 13 12 11 10

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,,.--PURCHASE ORDER N().2 HEAT NO., WEIGHT 4

\ SERIAL N(). TO 8£ STc.MPED ON £A BL4D£

\ AT TH/$ LOCATION BY FOUNDRY 4 TO BE

\MAINTAINED THROUGHOUT MACHINJPIG 4

5 4 3 2

/VOTES:

f. CLEAN f PAINT PER DWG 6172-EB-4 TO MAl?K NO'S AS SHOWN

IN SECT A-A

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: ASSEMBLY OPERATIONS. - -0 5~0 ' .... . ·-·--- -···-· / ff.JN:ER EOG£ AROUND TRUNNION 10 BE MT( GRADE A) /Mf'.._ INSPECTED AFTER M4CHINING I BEFORE WELD 0'\1£RLAY 11::,

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_,_ _____ ._3_8~t7 __ T~Y_P_L_l.F_Tl_N~G_ .. _·L_U_G ________ T ---ft· RUNNER HUB

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AS SHCMIN FOR A·C UNITS 14 3 THfrU8

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SEE NOTE: .,_8

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SEE NOTE"8

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SECT P-P

'• 19 18 17

York Blue Print Co., Inc. 19 1155-91153

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SEE NOTE"'6

RUNNER HUB ASSY PLANS DWG 4296-JM- I I 4296 -J0-1

GENEF?AL NaTES FOR 330" RUNNER HUB 4296 -JQ- 4

RUNNER HUB MECHANISM ASSY DWG 4296-JN-2

RUNNER HUB MECHANISM ASSY PROCEDURE FOR FfELD DWG 4065-AWN- 4 cf 4065-AWM~I .

9 B 6 s 4 '

SEE NOTE

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SEE 8

NOTE'8

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APPROVED,

CORPS OF ENGINEERS, u_ s_ ARMY

NORTH PACIFIC DIVISION

DATE MAR 2 0 1984

BYS-~

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MASTER~ 010 -

UNLESS OTHERWISE

NOTED •

UNLESS OTHERWISE NOTED

DIMENSIONS ARE IN INCHES

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2 PLACE DEC ± .030

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YORK PLANT YORK, PA.

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DIMENSIONS AIE IN INCHES

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