Spicer Steer Axle Failure Analysis Manual de usuario descargar pdf (Pagina 2)

Bushing and Kingpin Wear – Contamination

Grooving

Bushing – Clogged with Contamination Kingpin – Grooving From Contamination

Rust, No Grease

Scoring, Rust

Bushing - Lack of Grease Kingpin – Lack of Grease

General Description:

Rust, grooving and scoring to the bushing area of the kingpin, bushings excessively worn and contamination built

up in bushing.

Usual Causes:

x Lack of Grease (Greasing intervals to infrequent)

x Contamination Damage (Greasing not long enough to flush contaminants from kingpin joint)

x Excessive Knuckle Vertical Play

x Wrong Grease Type

Failure Prevention:

x Grease intervals must be adjusted to match the environment of the vehicle. More contamination the more

you need to grease.

x Greasing should continue until clean grease is seen coming from between the joints.

x Knuckle vertical play should not exceed .040”.

x Use # 2 lithium grease only.

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Spicer Steer Axle Failure Analysis Manual de usuario Pagina 2