Section I. GENERAL INFORMATION
MODEL NUMBER AND NAME: RS-4-TC-1A, 60-ton diesel-electric locomotive.
PURPOSE OF EQUIPMENT: Used for general yard switching. Can be used as a single unit or connected in multiple unit
operation under one operator.
TYPE OF MANUAL: Intermediate Direct Support and Intermediate General Support Maintenance.
a. This manual is published for the use of personnel engaged in the operation, inspection, and maintenance of
the 60-ton diesel-electric locomotive. It shall be used as a guide for regulations, standards, and procedures
governing such work assignments.
b. Maintenance portion of this manual provides guidance to intermediate direct support and intermediate general
support level maintenance personnel. The purpose of each assembly, subassembly, and general overall
locomotive maintenance procedure is given. Also included is a general troubleshooting guide to aid in
removal, disassembly, cleaning, inspection, repair, assembly, and installation of components. General
functions of the main features are given as an aid to provide a concise understanding of major and minor
1-2. MAINTENANCE FORMS, RECORDS, AND REPORTS
Department of the Army forms and procedures used for equipment maintenance will be those prescribed by DA PAM
738-750, The Army Maintenance Management System (TAMMS).
1-3. PREPARATION FOR STORAGE OR SHIPMENT
Refer to TM 55-2210-223-12, Operator and Unit Maintenance Manual for Locomotive, for information pertaining to the
preparation for storage or shipment.
1-4. QUALITY ASSURANCE/QUALITY CONTROL (QA/QC)
a. Refer to Federal Railroad Administration (FRA) Form 6180-49A to document 92-day Locomotive Inspection
and Repair Record in accordance with Locomotive Inspection Act, 36 State, 913. The form must be
completed and signed by the personnel conducting the inspection. The completed form shall be placed in
the card holder in the locomotive cab. A copy shall be retained for a period of 2 years. Refer to TB 55-2200-
207-15/1, Inspection and Maintenance Checklist for Diesel-Electric Locomotive, for unit maintenance's 92-
day inspection of the locomotive. The checklist and DA Form 2407, Maintenance Request, will be used as
prescribed in DA PAM 738-750.