Spicer Failure Analysis Guide Uživatelský manuál stáhnout pdf (Strana 2)

Tubing

Broken Weld

• Shock loads

• Improper welding procedures

• Excessive vibration

Universal Joints

Universal Joints

Spalling

• Water contamination

• Improper lube type

• Lubrication failure

HOW TO IDENTIFY FAILURE AND

PROBABLE CAUSE

Yokes

Broken Tang Half Round

• Improper bearing retainer bolt torque

• Improper installation

• Strap was re-used instead of replaced

Twisted Tubing

• Excessive torque

•

Driving into immovable object under power

• Spinning tires that suddenly grab hold

Fractured Yoke

• Excessive torque loads

• Shock loads

• Improper application

• U-joint kit failure

Tubing

Yokes

Fractured Spline

• Excessive torque loads

• Shock loads

• Improper application

Tube Shafts

Universal Joints

Brinelling

• Excessive continuous torque loads

• Seized slip yoke splines

• Excessive driveline angles

• Sprung or bent yoke

• Over tightened “U” Bolts

End Galling

• Excessive u-joint operating angles

• Improper assembly procedures

• Sprung or bent yoke

• Lack of lubrication (improper maintenance)

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