3 recalls found. |
DEFECT #1 - STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
Posted on: 1979-10-12
Description
Deficiencies, in the form of forging laps, cracks and excessive decarburization during heat treatment, exist in the steering knuckles. Stresses imposed with integral hydraulic power steering may lead to a failure in the area of the steering arm attaching boss. This type of failure would cause loss of steering control.
Consequence
Corrective Action
Dealer will inspect and, if necessary, replace the left steering knuckle with an improved type of knuckle.
Notes
Vehicle description: truck tractors.system: steering; steering knuckle.consequences of defect: loss of steering control could cause a vehicleaccident.
DEFECT #2 - STRUCTURE
Posted on: 1979-10-12
Description
Consequence
Corrective Action
Notes
Mack truck campaign no sco#50.fire apparatus equipped with cab lift cylinder.possibility that the velocity fuse in the cab hydraulic lift cylinder mayfail.this fuse is incorporated in the lift cylinder to prevent the cabfalling unchecked in the event of certain failures, such as a broken hydraulicfluid hose.(correct by inspecting and replacing with new cylinder wherenecessary).
DEFECT #3 - SUSPENSION:MULTIPLE AXLE
Posted on: 1979-10-12
Description
Consequence
Corrective Action
Notes
Mack trucks campaign no sc060.trucks mfg'd 1967 thru jan.31, 1973.possibility that the suspension trunnion brackets may develop cracks.if suchcondition exists and cracks are not detected, continued operation couldultimately lead to trunnion tube separation from the trunnion and permit axleassembly dislocation.failure of the trunnion bracket could result in loss ofvehicle control without warning to the driver.(correct by inspecting andreplacing brackets where necessary).