Subjgrp 114. Rules and Instructions
- § 236.326 - Mechanical locking removed or disarranged; requirement for permitting train movements through interlocking.
- § 236.327 - Switch, movable-point frog or split-point derail.
- § 236.328 - Plunger of facing-point lock.
- § 236.329 - Bolt lock.
- § 236.330 - Locking dog of switch-and-lock movement.
- §§ 236.331-236.333 - §[Reserved]
- § 236.334 - Point detector.
- § 236.335 - Dogs, stops and trunnions of mechanical locking.
- § 236.336 - Locking bed.
- § 236.337 - Locking faces of mechanical locking; fit.
- § 236.338 - Mechanical locking required in accordance with locking sheet and dog chart.
- § 236.339 - Mechanical locking, maintenance requirements.
- § 236.340 - Electromechanical interlocking machine; locking between electrical and mechanical levers.
- § 236.341 - Latch shoes, rocker links, and quadrants.
- § 236.342 - Switch circuit controller.