Piston travel.

  1. Law
  2. CFR 49
  3. Transportation
  4. Other Regulations Relating to Transportation
  5. Federal Railroad Administration, Department of Transportation
  6. Steam Locomotive Inspection and Maintenance Standards
  7. Steam Locomotives and Tenders
  8. Brake and Signal Equipment
  9. Piston travel.

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§ 230.76 Piston travel.

(a) Minimum piston travel. The minimum piston travel shall be sufficient to provide proper brake shoe clearance when the brakes are released.

(b) Maximum piston travel. The maximum piston travel when steam locomotive is standing shall be as follows:

Expand Table
Type of wheel brake Maximum piston travel (in inches)
Cam Type Driving Wheel Brake 31⁄2
Other forms of Driving Wheel Brake 6
Engine Truck Brake 8
Tender Brake 9


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