Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 67
Now adjust the jockey roller bearing block laterally very care- Page 4 Section 2 Adjustments Multiplex System 263-C fully so that the armature must move .010 inch away from the stop screw before the pawlengages a tooth on the ratchet wheel. 11. Jockey Roller Tension. Remove the armature return… … ARROW SHOWSHOW TO APPLYSPRING BALANCEWHEN MAKINGAPJUSTMENTSPECIFIEP INPARAGRAPH II Fig. 27 12. Armature Return Spring. Replace the armature return spring. This spring inits normal position should have a tension of approximately 550 grams. 13. Pawl Spring. Adjust the pawl spring to hold the pawl…
Telegraph
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