AAR Circular Letter
C-8895

June 17, 1998

CIRCULAR LETTER

(c-8895)

 

Subject: Revision to Field Manual Rule 88 and 90…Cap Screw Seal Rings

TO MEMBERS AND PRIVATE CAR OWNERS

 

File Number: AC-2058

 

Your attention is directed to c-8865 dated March 26, 1998, which solicited comments to the subject rule changes in advance of industry letter ballot action. Comments received were considered as part of the letter ballot which was published in Circular Letter No. D.V. 2215 dated May 12, 1998. Based upon industry ballot on Proposal No. 2, the accelerated Removal of Roller Bearing Cap Screw Wear Rings, the changes as shown below will become effective on July 1, 1998.

FIELD MANUAL OF THE AAR INTERCHANGE RULES

Interchange of Freight Cars

Rule 88 – Mechanical Requirements for Acceptance

  1. From Owner
  1. Roller Bearing Cap Screw Seal Rings

PRESENT
  1. Journal roller bearings on cars released into service after heavy repair (as defined in Section B.2. of this rule) shall not be equipped with cap screw seal rings.

APPROVED
  1. Journal roller bearings on cars released into service after repairs exceeding 25 hours must not be equipped with cap screw seal rings. Facility must have 9 or 9A certification. Remove and reapply car screws, end caps and locking plates in accordance with the Wheel and Axle Manual, Rule 1K21 and other applicable rules of that manual.

 

Rule 90 – Cars and / or Car Parts Prohibited in Interchange

Section B – Car Parts

4. Journal Bearings & Components

PRESENT

  1. Effective January 1, 1999, journal roller bearings equipped with cap screw seal rings.

APPROVED

  1. Effective January 1, 2014, journal roller bearings equipped with cap screw seal rings.

These changes will be included in the July Supplement of the Field Manual.

ON BEHALF OF THE ARBITRATION AND RULES COMMITTEE

 

Sincerely,

Thomas Stahura

Executive Director

Rules & Standards