3 recalls found. |
DEFECT #1 - STEERING:HYDRAULIC POWER ASSIST SYSTEM
Posted on: 1992-11-27
Description
A contaminant from impurities in the hydraulic return hoses or the oil reservoir can lead to malfunctions of the pressure control valves controlling the power steering and water pump engagement.
Consequence
Malfunctions of the pressure control valves in the powersteering assembly can result in loss of power steering without prior warning,and loss of vehicle control.
Corrective Action
An additional hydraulic fluid filter will be added between the hydraulic pump and the hydraulic control valve block to collect impurities.
Notes
System: steering.vehicle description: crash/rescue fire trucks used by the u.s. Navy at naval airstations.
DEFECT #2 - WHEELS:LUGS/NUTS/BOLTS
Posted on: 1992-06-26
Description
Design of the rear wheel mounting assembly causes a high sensitivity to lug stud nut torque loss and subsequent stud failure through bending fatigue.
Consequence
The rear wheel mounting stud can bend and/or break,resulting in detachment of the wheel from the axle if all five lug studs shouldfail.
Corrective Action
Amertek will reduce the dimension of the outside rear wheel tires; replace the lug nut spacers with cushion washers on each rear wheel hub; replace the current 4.38 inch studs with 3.25 inch studs; and delete the paint on the bevel surface of the stud holes on the wheel disc.
Notes
System: rear wheel mounting stud.vehicle description: aircraft rescue fire fighting truck.
DEFECT #3 - WHEELS:CENTER SECTION
Posted on: 1992-11-30
Description
The front wheel disc cracks around the bolt hole circle.
Consequence
Cracking of the wheel disc results in possible separationof the tire and rim from the wheel disc which could cause an accident.
Corrective Action
Corrective action has not been determined. Amertek is working with the united states navy to correct this problem.
Notes
System: wheels.vehicle description: fire trucks used for aircraft rescue at naval air stations.