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(13) Any abnormal loose, broken, or hanging equipment.
b. Tri-ennial Inspections. Consult Appendix A for specific requirements for items listed
below. A tri-ennial (36 months) inspection of the railcar to determine its readiness for operation
and the need for essential repairs shall be performed and include the annual items plus the
following additional items:
(1) Brake beams and brake beam hangers.
(2) Draft yokes.
(3) Brake rods, levers, and linkages.
(4) Truck bolster.
(5) Draft gear and followers.
(6) Cross bearers and cross ties.
(7) Axles.
(8) Underfloor stringers.
(9) Side bearings.
(10) Center bearings- Lift car, inspect, and lubricate.
(11) Axle bearings. Plain journal--Remove bearings and inspect for pitting, grooving,
scoring or excessive wear. Inspect bearing wedge. Replace journal box rear seal and lid seal.
Renew journal box oil and bearing lubricator pad.
(12) Axle bearings, Roller--Inspect for signs of lubricant loss or overheating. Tighten
end cap crews. Inspect bearing adapters for excessive wear.
c. 72-Month Inspections. Consult Appendix A for specific requirements for items listed
below. A 72-month inspection of the railcar to determine its readiness for operation and the need
for essential repairs shall be performed and include the annual and 36 month items plus the
following COT&S additional items:
(1) COT&S shall be conducted if any of the following brake systems are applicable:
AB, AB-1-B, ABC-1, ABD, ABD-L, ABD-l-B, ABDW.W, and ABDW-1-B. Newer models or
modifications may require less COT&S. See manufacturer's recommendations for these models
or modifications.
(2) Clean assemblies and renew all rubber parts of the brake control valve including
the Service Portion, the Emergency Portion, and the Pipe Bracket. In lieu of in-house repairs,
replace the valve with a commercially rebuilt valve of the same type.
(3) Clean retaining valve and test.
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