Summary

This document is a comprehensive technical specification and instruction manual for Montgomery Elevator Company's elevator equipment and associated components. The collection includes detailed engineering drawings, parts lists, maintenance instructions, and assembly diagrams for various elevator subsystems manufactured by Montgomery Elevator Company of Moline, Illinois. The document covers multiple elevator equipment types and configurations used in commercial elevator installations, including machines, controllers, safety devices, door operators, and related mechanical and electrical components dating from the 1930s through 1950s.

The technical specifications address key elevator systems including: worm gear machines with close-coupled construction; D.C. short stroke brakes with solenoid operation; two-speed A.C. control panels with car switch and push button operation; vertical floor selectors with cable-driven mechanisms; magnetic leveling units for elevator cars; instantaneous safeties with centrifugal speed governors; hangers for hushed performance with single slide and cable-geared options; D.C. contactors and relays; door operators and closers for various configurations; and supporting components such as limit switches, sheaves, shafts, and fastening hardware. The documentation includes maintenance and lubrication schedules specifying inspection intervals of two weeks, six months, and annually, with detailed component-specific requirements. Installation instructions address proper alignment, cable tensioning, leveling speed optimization (typically 25 FPM for passenger elevators, 10-15 FPM for freight), and adjustment procedures for safety devices and mechanical systems to comply with the 1955 American Standard Safety Code for elevators.