1985 THAYCO THAYCO Recall

Campaign:

86V072000 on 06/05/1986

Component:

Service brakes, air:drum

Affected:

180

Defect:

A resonant vibration can be initiated under certain operating conditions, causing a deterioration of the brake chamber which results in reverse brake cam rotation creating grabby brakes, brake chatter, or spring brake damage. consequence of defect: if this occurs, complete brake failure could be experienced, and could lead to an accident.

Correction:

Remove spring seats, reverse the axle, reweld and assemble suspension.

Notes:

System: brakes. vehicle description: flatbed trailers, model tfb245.

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