Automated Transmitter for Perforated Tape (Wheatstone) McElroy Type XTR-442-C
Publisher: U.S. G.P.O.
Published: 1945
Place of publication: Washington, D.C., USA
Language: eng
Description: TM 11-2545 Automated Transmitter for Perforated Tape (Wheatstone) McElroy Type XTR-442-C, 1945-01-22
Table of contents: title: TABLE OF CONTENTS; title: SECTION I. Description. Paragraph; title: General 1 1; title: Types of operation 2 1; title: Components 3 1; title: Tape required for operation 4 4; title: Power required for operation 5 6; title: Dimensions 6 6; title: Weight 7 6; title: II. Installation and operation.; title: Unpacking 8 7; title: Preparation for use 9 7; title: Operation 10 9; title: III. Functioning of parts.; title: Introduction 11 11; title: Auto head 12 13; title: Speed mechanism 13 14; title: Control tube 14 15; title: Tone generator 15 16; title: Power supply 16 17; title: IV. Maintenance.; title: Inspection 17 18; title: Lubrication 18 18; title: Adjusting keying relay 19 21; title: Synchronizing selector pins 20 21; title: Adjusting auto head contacts 21 22; title: Replacing selector pin spring 22 22; title: Replacing selector pins 23 23; title: Replacing contact springs 24 23; title: Adjusting slip plate 25 23; title: Adjusting tape feed roller 26 24; title: Replacing insulating sleeves 27 24; title: Replacing rocker 28 24; title: Replacing shoulder washers 29 25; title: Mechanical trouble location 30 25; title: Electrical trouble location 31 27; title: Voltage readings 32 30; title: Moistureproofing and fungiproofing 33 31; title: V. Supplementary data.; title: Maintenance parts list for automatic transmitter XTR-442-C 34 37; title: LIST OF ILLUSTRATIONS; title: Fig. No. Title Page; title: 1 Automatic transmitter for perforated tape, McElroy type XTR-442-C viii; title: 2 Automatic transmitter for perforated tape, block diagram 2; title: 3 Auto head and drive unit, auto head plate removed 3; title: 4 Electronic unit 3; title: 5 Keyboard perforator 5; title: 6 Hand perforator 5; title: 7 Relay terminals on electronic unit 8; title: 8 Monitoring jack and tone terminals 8; title: 9 Auto head, showing tape insertion 9; title: 10 Wheatstone code perforated tape 11; title: 11 Auto head, front view 12; title: 12 Auto head, rear view 15; title: 13 Auto head and drive unit, cover removed 16; title: 14 Oiling points within the auto head 19; title: 15 Keying relay 21; title: 16 Removing flat from friction-drive disk 27; title: 17 Auto head and drive unit, showing first step in disassembly 32; title: 18 Auto head and drive unit prepared for moistureproofing and fungiproofing, rear view 33; title: 19 Auto head and drive unit prepared for moistureproofing and fungiproofing, top view 34; title: 20 Resistor color code 43; title: 21 Capacitor color code 44; title: 22 Underchassis view of electronic unit 46; title: 23 Automatic transmitter for perforated tape, schematic diagram 47