Manual / Guide · 1964
15 Teletypewriter Base - Lubrication BSP Section 572-204-701 1964
15 Teletypewriter Base — Lubrication
Manual / Guide · 1964
15 Teletypewriter Base — Lubrication
BELL SYSTEM PRACTICES Plant Series SECTION 572-204-701 Issue 1, December, 1964 AT&TCo Standard 15 TELETYPEWRITER BASE LUBRICATION 1. GENERAL 1. 01 This section contains the lubrication procedures for the 15 base. This section and the section covering teletypewriter general lubrication provide the complete lubrication information for maintenance of the 15 base. 1. 02 The illustration in this section shows the motor unit, keyboard and base, but the lubrication symbols are shown only for the base. For the lubrication of the 15 motor unit, refer to the section covering motor units. For the lubrication of the 15 keyboard, refer to the section covering the 15 teletypewriter keyboard. 1. 04 Because of varying conditions at each station, the 15 teletypewriter base should be lubricated as often as specified by local instructions. 2. PARTS TO BE LUBRICATED. Note 1: Oil both loops of all helical springs that exert a nominal tension of less than 2-1/2 pounds. Note 2: Grease both loops of all helical springs that exert a nominal tension of 2-1/2 pounds or more. 2. 01 Electrical Motor Control CAUTION: AVOID GETTING OIL BETWEEN THE ARMATURES AND THE MAGNET CORES. (1) OS - Start-magnet and locking lever: bearing points. (2) OS - Stop-magnet armature: points. at at bearing Prepared for American Telephone and Telegraph Company by Teletype Corporation © Teletype Corporation 1964 Printed in U.S. A. Page 1 ;' -~ til ~1:\:1 ll)~ ~ll) 1:\:1~ 0 • -t ZJ: "OJ: o-G> 1:\:1 ....... ~ <ll 1-'• < <ll -::J 0 I ""' 00 0. 1-'• .... <ll 0 1).:1 I 1).:1 -::J 01 0z t-3 (') tz:j (/.l ...., t"' ll) til <ll b:J 0 1:\:1 .