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Product: TRACK-TYPE TRACTOR Model: D10R TRACK-TYPE TRACTOR 3KR Configuration: D10R Track-Type Tractor 3KR00001-UP (MACHINE) POWERED BY 3412 Engine
Reuse And Salvage Guidelines Turbine Wheel For Torque Converters Used With Power Shift Transmissions Media Number -SEBF8008-04Publi -SEBF8008-04Publicatio cation n Date -02/10/200 -02/10/2003 3Date Update Update
SEBF80080001
Turbine Wheel For Torque Converters Used With Power Shift Transmissions SMCS - 3131
SEBF8008-04 May 2001 SMCS Code: 3131
GUIDELINE FOR REUSABLE PARTS AND SALVAGE
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OPERATIONS Turbine Wheel For Torque Converters Used With Power Shift Transmissions Summary of Revisions Page All
Description Revised format.
Introduction This guideline enables dealers and their customers to benefit from cost reductions made possible through an established parts reusability and salvage program. Every effort has been made to provide the most current and relevant information known to Caterpillar Inc. Since the Company makes ongoing changes and improvements to its products, this guideline must be used with the latest technical information available from Caterpillar to ensure such changes and improvements are incorporated where applicable. For questions or additional information concerning this guideline, contact Caterpillar Service Support Division, Dealer Support (309) 675-5156.
Summary The 1T-0020, 1T-0052, 1T-0079, 1T-0221, 1T-0245, 1T-0662, 1T-0782, 1T-0792, 1T-0842, 1T-0862, 1T-1088, 2P-4470, 2P-5680, 8P-5696 and 8P-9265 Turbine Wheels are used in power shift transmissions for the models shown in Chart 1. Illustration 1 shows a 1T-0221 Turbine Wheel.
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Illustration 1 1T-0221 Turbine Wheel.
Chart 1
Type*
Turbine Wheel Part No.
Models
A
1T0020
815 Compactors; 930, 936, G936, 941, 941B, 944, 944A, 950, 950B, 951B, 951C, 955H, 966A, 966B, 966C Loaders; 613, 613B, 613C Tractors; 518 Skidders; D4D, D4E, D4H, 814, Tractors.
A
1T0052
977H, 988 Loaders; 561D, 571F, 571G, 572F, 572G, Pipelayers; 627, 627B, 627E, Scrapers; D5, D5B, D6C, D6D, D6H, D7F, D7G, D7H, D8N Tractors.
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A
1T0079
IT12, IT18, IT18B, IT28, IT28B Integrated Tool Carriers; 910, 916, 922A, 922B, 926, 931B, 931C, 935B, 935C, 950, G910, G916, G926 Loaders; D3B, D3C, D4B, D4C Tractors.
A
1T0221
583H, 583K, 594, 594H Pipelayers; D8H, D8K, D9G, D9H Tractors.
A
1T0245
571A, 572E Pipelayers; D7E Tractors.
C
1T0662
621, 621B, 621E, 621R, 623, 627, 627B, 627E, 631E, 633C, 631C, 631D, 637, 637D, 637E Tractors; 637, 637D, 637E, 639D, 657E Scrapers; 977K, 977L, 980, 980B Loaders; D35 Trucks.
C
1T0782
641B, 650B, 651B, 657B, 660B, 666B, 768C, 824B Tractors; 825B, 826B Compactors; 992 Loaders; D400, 769C Trucks.
C
1T0792
657B, 666B Scrapers; 772B, 834 Tractors; 773B Trucks; 835 Compactors.
A
1T0842
920 Loaders.
C
1T0862
983, 983B Loaders; 824C Tractors; 825C 826C Compactors.
B
1T1088
777 Trucks; 776 Tractors.
C
2P4470
992B, 992C Loaders; 834, 834B Tractors.
C
2P5680
980C, 988, 988B Loaders; 623B, 623E,
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627E, 633D, 639D Tractors. C
8P5696
D10, D11N Tractors.
C
8P9265
D8L, D9L, D9N, D10N Tractors; 589 Pipelayers.
* Refer to Illustrations 2, 3 and 4.
Illustration 2 Type "A" turbine wheel.
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Illustration 3 Type "B" turbine wheel.
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Illustration 4 Type "C" turbine wheel.
The areas that must be checked to see if the turbine wheels can be used again are: 1. The splines for wear (type "A" turbines). 2. The fins for damage (all types). 3. The clearance between the turbine wheel and the stator (type "A" turbines). 4. Both ends of the hub for wear (type "A" turbines).
Spline Wear The 1T-0221 and 1T-0245 Turbine Wheels cannot be used again if the spline teeth are worn too much. Use a flexible ruler to measure the tip width on the top and bottom of three spline teeth, 120° apart as shown in Illustration 5. Do not use a 1T-0221 or 1T-0245 Turbine Wheel whose width is less than the Use Again Minimum Width shown in Chart 2.
Illustration 5 Measure width of spline teeth.
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Chart 2 Turbine Wheel
Use Again Minimum Width
1T-0221
3.5 mm (.14")
1T-0245
2.5 mm (.10")
For the 1T-0020, 1T-0052, 1T-0079 and 1T-0842 Turbine Wheels, put the turbine wheel on the drive flange splines. These turbine wheels must fit on the splines of the drive flange with no obvious (easily felt) looseness.
Fin Damage Do not use any turbine wheel that has cracks in the fins. Most fin cracks will be located on the inside circumference as shown in Illustration 6. However, the fins should also be checked on the outside circumference.
Illustration 6 Turbine wheel has cracks in the fin.
Do not use again
Clearance Between Stator and Turbine Wheel Failure or normal wear of bearings and splines in a torque converter
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eventually causes contact and wear of the seal (inside) bore and outside diameter of the turbine wheel.
Measure Running Clearance The running clearance (B) (see Illustration 7) between the stator wheel and the turbine wheel for type "A" turbines must be limited if the torque converter is to operate with efficiency.
Illustration 7 Maximum running clearance (B).
Before the running clearance is measured, check the turbine wheel for a lip on the inside circumference. Use a machinist scraper or file to remove this lip (see Illustration 8). If this lip is not removed, the running clearance cannot be measured with accuracy.
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Illustration 8 Remove any lip from the inside circumference of the turbine wheel.
Use the following procedure to measure the running clearance between the stator wheel and the turbine wheel. 1. Put four steel balls in the turbine wheel as shown in Chart 3 and Illustration 9. Put the balls approximately 90° apart. Chart 3 Turbine Wheel
Ball Part No.
1T-0020
2D-6642
6.35 mm (0.250 inch)
1T-0052
1M-6718
3.96 mm (0.156 inch)
1T-0079
1M-6718
3.96 mm (0.156 inch)
1T-0221
4B-9880
7.92 mm (0.312 inch)
1T-0245
5H-1472
5.54 mm (0.218 inch)
1T-0842
2D-6642
6.35 mm (0.250 inch)
Ball Diameter
2. Put the stator that is used with the turbine in position on the balls as shown in Illustration 9. Make sure the balls do not move. Turn the stator until the flat surface of the turbine wheel is against the balls.
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Illustration 9 Preparation to check running clearance.
3. Install an 8T-5096 Indicator Group on the turbine wheel as shown in Illustration 10. Move the stator toward the stem of the dial indicator until its outside diameter is against the inside diameter of the turbine wheel. Move the stem of the dial indicator against the stator. Put the dial indicator on zero. 4. Push the stator away from the stem of the dial indicator until the stator outside diameter is in contact with the opposite inside diameter of the turbine wheel. Measure the clearance. Make this measurement at four points, 45° apart, around the turbine wheel. Do not use the turbine wheel again if the measurement is more than 0.76 mm (0.030 inch).
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Illustration 10 Measure the clearance with a dial indicator.
Salvage Procedures Turbine wheels with excessive wear can be reused after the inside and outside circumferences are built up with metal spray. The surfaces to be built up must be be absolutely clean. Degrease and wire brush the surfaces to remove all contaminants. 1. Use either Step a or b to build up the turbine wheel. a. Build up the worn bore and outside diameter with a MIG welder using 0.76 mm (0.030 inch) diameter or 1.14 mm (0.045 inch) diameter AWS ER4043 wire. Use Argon shield gas at 1.0 cmh (35 cfh) to minimize heat input and penetration. Set the wire feed speed to 150-170 mm per second (350-400 inches per minute), and set the voltage to 19-22 volts. b. Metal spray is an acceptable method of restoring a surface to the original size. Consult the manufacturer of the metal spray equipment for powder recommendations, machine settings, and application procedures. Each step in the procedure is critical in achieving the desired coating bond and finish. Note: METCO, Inc., is one manufacturer of acceptable metal spraying equipment and powder. A list of METCO's sales offices is at the back of "Guideline For Reusable Parts - Repair of Transmission, Torque Converter and Torque Divider Shafts", SEBF8060. 1. Next, machine the diameter to size: a. Secure the turbine in a lathe. Check with an indicator to ensure the mounting bore spline teeth (types "A" and "B" turbines - see Illustrations 2 and 3) or the mounting flange pilot bore (type "C" turbines - see Illustration 4) are within 0.10 mm (0.004 inch) Total Indicator Reading. b. Turn the inside diameter (seal bore) and outside diameter to specifications shown in Chart 4. Note: Be sure that no weld or metal spray is protruding into
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Measure dimensions (C) and (D) to see if the turbine wheel can be used again.
Illustration 11 Turbine wheel.
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Illustration 12 Measurement of Dimension (C).
1. 2. Two people are needed to measure Dimension (C). One person holds a rigid 150 mm (6 inch) steel ruler. The other person uses a depth micrometer. 3. Put the straight edge of the ruler on face (E) of the turbine wheel as shown in Illustration 12. Use both hands to hold the ruler firmly (without movement) against face (E). Point the other end of the ruler toward the hub, but do not allow the ruler to touch the curved surface of the turbine wheel. 4. Use a depth micrometer to measure dimension (C) from face (F) to the straight edge of the ruler as shown in Illustration 12. Be sure the base of the micrometer is held firmly against face (F). 5. If dimension (C) is greater than or equal to the minimum dimension given in Chart 5, go to Step 5. If dimension (C) is less than the minimum dimension, machine face (F) until dimension (C) equals machined dimension (C) as shown in Chart 5. Make a spacer from SAE 1020 steel that is 3.18 ± 0.08 mm (0.125 ± 0.003 inch) thick and has the outer and inner diameters shown in Chart 5. The sides of the spacer must be parallel within 0.08 mm (0.003 inch). 6. Measure dimension (D) with a micrometer. If a spacer was made in step 4, place the spacer on the end of the hub when measuring dimension (D). 7. If dimension (D) as measured in step 5 is equal to or greater than the minimum dimension given in Chart 6, the turbine wheel can be used again. If dimension (D) is less than the minimum dimension, machine face (G) until dimension (D) equals the
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machined dimension (D) shown in Chart 6. Make a spacer from SAE 1020 steel that is 3.18 ± 0.08 mm (0.125 ± 0.003 inch). The sides of the spacer must be parallel within 0.08 mm (0.003 inch). Note: The 1T-0221 and 1T-0245 Turbine Wheels have oil slots on each end of the hub that are 12.7 mm (0.50 inch) wide and 3.0 mm (0.12 inch) deep. Machine new slots in the ends of the hub as needed. 8. Assemble the turbine wheel spacers as needed.
Chart 5 Turbine Wheel Part No.
Dimension (C) Minimum
Dimension (C) Machined
Face (F) Spacer Outer Diameter
Face (F) Sp Inner Diam
1T-0020
26.37 mm (1.038 inch)
24.71 ± 0.05 mm (0.973 ± 0.002 inch)
71.1 ± 0.5 mm (2.80 ± 0.02 inch)
51.08 ± 0.1 mm (2.011 ± 0.0 inch)
1T-0052
27.41 mm (1.079 inch)
25.76 ± 0.05 mm (1.014 ± 0.002 inch)
76.2 ± 0.5 mm (3.00 ± 0.02 inch)
63.96 ± 0.1 mm (2.518 ± 0.0 inch)
1T-0079
21.56 mm (0.849 inch)
19.91 ± 0.05 mm (0.784 ± 0.002 inch)
57.2 ± 0.5 mm (2.25 ± 0.02 inch)
44.83 ± 0.1 mm (1.765 ± 0.0 inch)
1T-0221
14.73 mm (0.580 inch)
13.08 ± 0.05 mm (0.515 ± 0.002 inch)
122.2 ± 0.5 mm (4.81 ± 0.02 inch)
110.72 ± 0. mm (4.359 ± 0.0 inch)
1T-0245
17.17 mm (0.676 inch)
15.52 ± 0.05 mm (0.611 ± 0.002 inch)
108.0 ± 0.5 mm (4.25 ± 0.02 inch)
90.30 ± 0.1 mm (3.555 ± 0.0 inch)
1T-0842
26.37 mm (1.038 inch)
24.71 ± 0.05 mm
71.1 ± 0.5 mm (2.80 ± 0.02
51.08 ± 0.1 mm
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(0.973 ± 0.002 inch)
inch)
(2.011 ± 0.0 inch)
Chart 6 Turbine Wheel Part No.
Dimension D Minimum
Dimension D Machined
Face G Spacer Outer Diameter
Face G Spa Inner Diam
1T-0020
53.47 mm (2.105 inch)
50.80 ± 0.05 mm (2.000 ± 0.002 inch)
60.5 ± 0.5 mm (2.38 ± 0.02 inch)
51.08 ± 0.13 (2.011 ± 0.0 inch)
1T-0052
57.00 mm (2.244 inch)
54.33 ± 0.05 mm (2.139 ± 0.002 inch)
76.2 ± 0.5 mm (3.00 ± 0.02 inch)
63.96 ± 0.1 mm (2.518 ± 0.0 inch)
1T-0079
43.94 mm (1.730 inch)
41.28 ± 0.05 mm (1.625 ± 0.002 inch)
57.2 ± 0.5 mm (2.25 ± 0.02 inch)
44.83 ± 0.1 mm (1.765 ± 0.0 inch)
1T-0221
66.40 mm (2.614 inch)
63.73 ± 0.05 mm (2.509 ± 0.002 inch)
127.0 ± 0.5 mm (5.00 ± 0.02 inch)
110.72 ± 0. mm (4.359 ± 0.0 inch)
1T-0245
65.53 mm (2.580 inch)
62.86 ± 0.05 mm (2.475 ± 0.002 inch)
117.3 ± 0.5 mm (4.62 ± 0.02 inch)
90.30 ± 0.1 mm (3.555 ± 0.0 inch)
1T-0842
53.47 mm (2.105 inch)
50.80 ± 0.05 mm (2.000 ± 0.002 inch)
60.5 ± 0.5 mm (2.38 ± 0.02 inch)
51.08 ± 0.1 mm (2.011 ± 0.0 inch)
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Wed Apr 21 13:47:14 EST 2010
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