1992 TRAILMOBILE TRAILER Recall

Campaign:

92V122000 on 08/27/1992

Component:

Service brakes, air:antilock

Manufactured:

08/31/1991 - 07/31/1992

Affected:

414

Defect:

The two (2) relay service valves are connected to the same reservoir resulting in 4.25 times, rather than 8 times, the combined volume of all chambers at maximum travel. this does not comply with fmvss 121, "air brake systems."

Consequence:

Repeated maximum brake applications can result in theactivation of the low pressure warning system as the reservoir is depleted athigher than specified rate.

Correction:

Change one of the relay service valve supply lines to the second reservoir.

Notes:

System: air brakes; fmvss 121.vehicle description: trailers with wabco anti-lock brake systems (abs).

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