Dampeners Added To Steering Brake Group To Prevent Noise From Vibration Of Brake Band Assembly{4110}
Usage:
D3 Tractors and 931 Loaders
Description of Change: Dampeners have been added to the steering brake group to prevent noise from vibration of the brake band assembly on D3 Tractors and 931 Loaders (See Illustration 1). The new parts were first used starting with the serial numbers shown in the chart.
Adaptable As: The new parts are adaptable to all earlier D3 Tractors and 931 Loaders if a modification to the brake band assembly is made. See Illustration 2. The new parts are installed as shown in Illustration 1.
Illustration 1. Location of new parts.
Illustration 2. Location of new holes in brake band assembly.
Caterpillar Information System:
1979/04/23 New Retainer Used Between Bolt And Gear In The Torque Converter{3101}
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1979/04/16 Different Type Brake Lining In Steering Brake Group; Higher Oil Level Used With New Lining{4110,3004}
1979/04/16 New Flywheel Clutch Uses Three Driven Discs Instead Of Two; Must Be Used Only With New Flywheel{3052,3054,1156}
1979/04/16 90° Elbows On Quick Disconnect Couplers Make Installation Easier{0690}
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1979/04/23 New Oil Cooler Bonnets Used On 3408 And 3412 Engines{1378,1354,1380}
1979/04/23 New Retaining Rings Used In Planetary Groups For Power Shift Transmissions{3176,3150}
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1979/04/23 Reinforcement Of Draft Frame Gooseneck To Prevent Cracks{6220,6209,6207}
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1979/04/30 The 6B5067 Race And Roller Assembly, Used In Final Drive Group, Can Be Either Of Two Designs{4050,4091}
1979/04/30 New " Drive 6V94 Universal Joint Is Available{0612,1253}
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1979/04/30 New Ring Gears Used In Flywheel Assemblies{1158}