1989 PIERCE FIRE TRUCK Recall

Campaign:

92V049000 on 04/22/1992

Component:

Steering:hydraulic power assist:pump

Manufactured:

07/31/1989 - 04/30/1991

Affected:

1,225

Defect:

The key which secures the power steering pump mating gear to the pump drive shaft breaks and falls out, allowing the mating gear to spin on the shaft of the power steering pump, resulting in a loss of power steering.

Consequence:

The loss of power steering without prior warning causesan increased effort to steer the vehicle, and if the vehicle is in motion whenpower steering loss occurs, could result in a vehicle accident.

Correction:

Inspect the gear, key, keyway, and pump shaft and replace any damaged or worn parts. install new key and shaft collar with set screw and tighten to 10 foot pounds.

Notes:

System: power steering.vehicle description: fire trucks equipped with detroit diesel engines and avickers v20 power steering pump.note: retrofit kits will be shipped to dealers beginning may 15, 1992. untilretrofit kits have been installed, customers are advised to inspect units toensure key is still intact.

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