Servicing projection equipment (1932)

Page scan 00087 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
00087
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 15, 2024
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STARTING TROUBLES 71 STARTING TROUBLES 1. Device Fails to Start When Proper Starting Instructions are Followed (a) — There may be no current in the line. Test for this and note if the main line fuses are blown. Also, note if the fuses in the circuit are intact. If the fuses are intact, test the line voltage. If no voltage is evident, the supply generator has undoubtedly failed. There is no remedy for this unless an emergency supply arrangement is at hand. (b) — This may also be due to broken contacts, bad wiring, and very dirty contacts. These should be examined, cleaned, and tightened wherever necessary. Examine the wire ends or the coils exposed to rubbing or movement for breaks and remedy them if found. (c) — There may be a short-circuit in the set wiring. Test for this, locate it and then eliminate it. (d) — The leads may have been replaced wrongly after cleaning. This should be tested and corrected.