Routinely Inspect Couplers For:. Cracks Excessive Corrosion Broken Parts Bent or Distorted Parts Which Hinder Operation Proper Coupling and Uncoupling Operation less than 2 mph. Gages can be obtained from * Matrix Metals (281) 342-5511 www.railroadgage.com
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Routinely Inspect Couplers For:
The following five (5) examples show when the couplers
need to be removed from service, repaired according to
manufacturer specifications, or replaced.
To check the lock operation, depress the spring-activated lock
until the lock retracts fully into the coupler body and lines up with
the coupler contour surface. If the lock does not fully retract in
the coupler body or return to its normal position the lock and
spring may need replaced.
Check lock levers for binding. Any binding that occurs can
prevent the lever from returning to the nominal position and
the coupler needs to be removed from service.
Pulling Lug Wear Test
Must not seat
Must not seat on any surface of pulling lug. If gage seats, casting is to or beyond
1/4” wear limit.
Lock Thickness Wear Test
Must not seat
Must not seat. If gage seats, casting is to or beyond 1/8” wear limit.
Guard Arm Wear Test
1/8” maximum allowable wear limit.
Guard Arm Distortion and Lock Wear Test
Must not pass through. If gage does pass, apply new lock and check again.
If gage still passes through, body is rejected.
Guard Arm Distortion Test
Must not pass through contour. If gage does pass through body is rejected.