2B2994 DOWEL (1.50" LONG) Caterpillar parts
12F, 14E, 16, 517, 527, 571G, 572G, 583H, 583K, 594, 594H, 824B, 826B, 834, 916, 920, 926, 930, 930R, 936F, 938F, 955H, 955K, 955L, 966F, 966F II, 970F, 977H, 983, 983B, 988, D342, D342C, D364, D375D,...
Rating:
Alternative (cross code) number:
CA2B2994
2B-2994
2B2994
CA2B2994
2B-2994
2B2994
![Caterpillar 2B2994 DOWEL (1.50" LONG)](https://storage.googleapis.com/a2109_c1_300/p/caterpillar/dowel/2b2994.png "Caterpillar 2B2994 DOWEL (1.50" LONG) parts catalog")
Weight: 0.20 pounds 0 kg.
Information:
OVERALL LENGTH
38
mm
OUTSIDE PIN DIAMETER
18.893
mm
END TYPE A
CHAMFER
END TYPE B
CHAMFER
FLAT/VENTED
N
INSIDE DIAMETER
0
GAS ENGINE, WHEEL LOADER,
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$13.98
09 Jun 2022
US: Florida-Parts-Z
2B2994 - PIN fits Caterpillar (CAT)
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$7.64
09 Jun 2022
Amazon.com
CTP 2B2994 Dowel Pin for Heavy Equipment
CTP Dowel Pin Only || Sold in each || Easy in-and-out fit
CTP Dowel Pin Only || Sold in each || Easy in-and-out fit
$8.69
08 Jan 2019
CATERPILLAR AFTERMARKET: CATERPILLAR AFT
Caterpillar PIN 2B2994 New
Number on catalog scheme:
None
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Compatible equipment models: 2B2994:
LANDFILL COMPACTOR
826B
Information:
Testing a Brushless Exciter Rotating Rectifier With A Test Light
Illustration 1 g03864606
Test LightIf an ohmmeter is not available, a rectifier can be tested by using a test light. A test light consists of two standard flashlight batteries and a flashlight bulb. Refer to Illustration 1. If the failure of a rectifier is suspected, use the following procedure.
Remove the cover from the exciter.
Remove the nut that secures the rectifier to the heat sink.
Remove the diode lead.
Lift the rectifier from the heat sink.
Connect the leads of the test light across the rectifier. Notice if the bulb is illuminated.
Reverse the leads of the test light across the rectifier. Notice if the bulb is illuminated.The bulb should be illuminated when the leads of the test light are across the rectifier in one direction. The bulb should not be illuminated when the leads are reversed.If the bulb is illuminated in both directions, the rectifier is shorted. If the bulb is not illuminated in either direction, the rectifier is open.Replace any faulty rectifiers with rectifiers that have comparable operating characteristics. Include the following information when a rectifier is being ordered for replacement:
Part Number of the rectifier
Model number of the exciter
Type of the exciter
Serial number of the generatorRectifier Diode Test Procedure
A true RMS digital multimeter and an IR thermometer are needed in order to measure voltage, resistance, current up to 10 A, or temperature. Rectifier diodes can be checked by using the diode function.An insulation tester (megohmmeter) is needed in order to measure the insulation resistance of the main armature, main field, exciter armature, and exciter field.The following procedure tests all three diodes within a block. Check the positive rectifier block and the negative rectifier block. If any meter reading does not fall within the given ranges, replace the rectifier block.
Set the digital multimeter on the diode range. Remove all leads from the rectifier block.
To test the positive rectifier block, follow these steps:
Place the black test lead on the positive "+" rectifier diode module terminal.
Place the red test lead on the following rectifier terminals: "AC1", "AC2" and "AC3". Note: All meter readings should be between 0.4 VDC and 1.0 VDC.
Place the red test lead on the positive "+" rectifier terminal.
Place the black test lead on the following rectifier terminals: "AC1", "AC2" and "AC3". In all cases, the meter should read "OL" (overload).
To test the negative rectifier block, follow these steps:
Place the red test lead on the negative "-" rectifier diode module terminal.
Place the black test lead on the following rectifier terminals: "AC1", "AC2" and "AC3". Note: All meter readings should be between 0.4 VDC and 1.0 VDC.
Place the black test lead on the negative "-" rectifier diode module terminal.
Place the red test lead on the following rectifier terminals: "AC1", "AC2" and "AC3".Note: In all cases, the meter should read "OL" (overload).Note: A shorted diode can damage the exciter rotor. If a diode is shorted, check the exciter rotor. Refer to the Testing and Adjusting, KENR5284, "Winding - Test" and the Testing and Adjusting, "Insulation - Test"
Illustration 1 g03864606
Test LightIf an ohmmeter is not available, a rectifier can be tested by using a test light. A test light consists of two standard flashlight batteries and a flashlight bulb. Refer to Illustration 1. If the failure of a rectifier is suspected, use the following procedure.
Remove the cover from the exciter.
Remove the nut that secures the rectifier to the heat sink.
Remove the diode lead.
Lift the rectifier from the heat sink.
Connect the leads of the test light across the rectifier. Notice if the bulb is illuminated.
Reverse the leads of the test light across the rectifier. Notice if the bulb is illuminated.The bulb should be illuminated when the leads of the test light are across the rectifier in one direction. The bulb should not be illuminated when the leads are reversed.If the bulb is illuminated in both directions, the rectifier is shorted. If the bulb is not illuminated in either direction, the rectifier is open.Replace any faulty rectifiers with rectifiers that have comparable operating characteristics. Include the following information when a rectifier is being ordered for replacement:
Part Number of the rectifier
Model number of the exciter
Type of the exciter
Serial number of the generatorRectifier Diode Test Procedure
A true RMS digital multimeter and an IR thermometer are needed in order to measure voltage, resistance, current up to 10 A, or temperature. Rectifier diodes can be checked by using the diode function.An insulation tester (megohmmeter) is needed in order to measure the insulation resistance of the main armature, main field, exciter armature, and exciter field.The following procedure tests all three diodes within a block. Check the positive rectifier block and the negative rectifier block. If any meter reading does not fall within the given ranges, replace the rectifier block.
Set the digital multimeter on the diode range. Remove all leads from the rectifier block.
To test the positive rectifier block, follow these steps:
Place the black test lead on the positive "+" rectifier diode module terminal.
Place the red test lead on the following rectifier terminals: "AC1", "AC2" and "AC3". Note: All meter readings should be between 0.4 VDC and 1.0 VDC.
Place the red test lead on the positive "+" rectifier terminal.
Place the black test lead on the following rectifier terminals: "AC1", "AC2" and "AC3". In all cases, the meter should read "OL" (overload).
To test the negative rectifier block, follow these steps:
Place the red test lead on the negative "-" rectifier diode module terminal.
Place the black test lead on the following rectifier terminals: "AC1", "AC2" and "AC3". Note: All meter readings should be between 0.4 VDC and 1.0 VDC.
Place the black test lead on the negative "-" rectifier diode module terminal.
Place the red test lead on the following rectifier terminals: "AC1", "AC2" and "AC3".Note: In all cases, the meter should read "OL" (overload).Note: A shorted diode can damage the exciter rotor. If a diode is shorted, check the exciter rotor. Refer to the Testing and Adjusting, KENR5284, "Winding - Test" and the Testing and Adjusting, "Insulation - Test"
Cat SIS web machinery list:
Parts dowel Caterpillar catalog:
16, 571G, 572G, 983, 983B, D7F, D7G, D7G2
571G, 572G, 983, 983B, D7F, D7G, D7G2
583K, D8H, D8K
515, 525, 583H, 583K, D10, D8H, D8K
120, 120B, 12E, 12F, 140, 140B, 14E, 931B, D3B
120B, 12E, 12F, 140, 14E, 350, 375, 375 L, 5080, 5110B, 5130B, 5230, 5230B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 637D, 637E, 637G, 666, 777, 793C, 797, 797B, 797F, 824C, 826C, 955H, 977H, D10
515, 518C, 918F, 924F, 924G, 924GZ, 924H, 924HZ, 924K, 928F, 928G, 928H, 928HZ, 930G, 930K, 936F, 938F, 938G, 938G II, IT24F, IT28F, IT28G, IT38F, IT38G, IT38G II
2470C, 2570C, 2670C, 2864C, 515, 518C, 525, 525B, 525C, 525D, 533, 535B, 535C, 535D, 543, 545, 545C, 545D, 553C, 555D, 563C, 573C, 586C, 814F, 814F II, 815F, 815F II, 816F, 816F II, 910E, 918F, 924F, ...
574, 627, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 637, 637B, 637D, 637E, 637G, 797, 797B, 797F, 814, 814F, 814F II, 815, 815B, 815F, 815F II, 816, 816B, 816F, 816F II, 936, 938F, 938G, 950, 950B...
910, 916, 918F, 920, 924F, 924G, 924GZ, 924H, 924HZ, 926, IT18B, IT18F, IT24F, IT28, PR-1000
916, 926A, 936F, 938F, 938G, 938G II, 938H, 950B, 950F, 950F II, 950G, 950G II, 950H, 960F, 962G, 962G II, 962H, 966D, 966F, 966F II, 966G, 966G II, 966H, 970F, 972G, 972G II, 972H, IT38G, IT38G II, I...
518, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 789D, 793B, 793C, 797B, 797F, 814, 920, 930, 950, 966C
120B, 120G, 12E, 12F, 12G, 130G, 140, 140B, 140G, 14E, 14G, 14H, 14H NA, 16, 160G, 1673B, 16G, 16H, 16H NA, 518, 518C, 528, 528B, 530B, 561B, 561C, 583H, 583K, 613, 613B, 641B, 650B, 657B, 7155, 772, ...
5F1749
DOWEL
16, 1676, 1693, 623, 641B, 650B, 657B, 772, 777, 980, 992, D10, D315, D336, D348
16, 1676, 1693, 623, 641B, 650B, 657B, 772, 777, 980, 992, D10, D315, D336, D348
163, 3406, 3408, 572R, 572R II, 578, 583H, 583R, 587R, 587T, 631C, 777, 824B, 825B, 977D, 980, 980B, D10, D326F, D337F, D343, D346, D348, D35C, D6H XL, D6H XR, D6R, D6R II, D6R III, D6R STD, D6T, D6T ...
120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 641B, 650B, 772, 777, 992, D10, D346, D348, D349
1693, 345B II, 517, 561M, 561N, 594H, 631C, 641B, 650B, 657, 769, 772, 777, 824B, 992, D10, D343, D346, D348, D349, D4H, D4H XL, D4HTSK II, D4HTSK III, D5H, D5H XL, D5HTSK II, D5M, D5N, D5R LGP, D6M, ...
9H5602
DOWEL
621, 7155, 992, D348, D8H
621, 7155, 992, D348, D8H
9F7674
DOWEL
16, 583H, 651, 834, D326F, D337, D337F, D342, D342C, D343, D353C, D375D, D397D, D8H, D9E, D9G
16, 583H, 651, 834, D326F, D337, D337F, D342, D342C, D343, D353C, D375D, D397D, D8H, D9E, D9G
6H4077
DOWEL
16, 583H, 621, 651, 834, 980, D326F, D342, D342C, D343, D353C, D375D, D397D, D8H, D9E, D9G
16, 583H, 621, 651, 834, 980, D326F, D342, D342C, D343, D353C, D375D, D397D, D8H, D9E, D9G
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12E, 12G, 12H, 12H ES, 12H NA, 12K, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 16, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163...
2A2352
DOWEL
16, 583H, 651, 834, 988, D326F, D337, D337F, D342, D342C, D343, D353C, D375D, D397D, D8H, D9E, D9G
16, 583H, 651, 834, 988, D326F, D337, D337F, D342, D342C, D343, D353C, D375D, D397D, D8H, D9E, D9G
3F1394
DOWEL
D346, D348, D8H, D9E, D9G
D346, D348, D8H, D9E, D9G
834B, 963B, 980C, 980F, 988F II, D379, D379A, D379B, D398A, D398B, D399, D4D, D4E, D4E SR, D6D SR, D6H, G379, G398, G399, R1700 II