Servicing projection equipment (1932)

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
000148
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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132 PROJECTOR springs or any other device for pressing the drive discs together, are not broken or loosened. 11, Governor Drive Fails (a) — The motor may be at fault. If it is look under section headed, Motors and Motor Generators. (b) — The spring or any other mechanism which holds the friction disc is either out of adjustment or broken. This should be examined and adjusted or replaced. 12, Thrust Disc Operates Poorly (a) — The knob, or level, which controls the introduction of the thrust disc between the drive disc, is incorrectly adjusted. Increase or decrease the amount of tension or movement as required to provide a perfect drive condition. (b) — The thrust disc may have some oil on it. Clean the disc and all the parts with which it contacts. 13, Motiograph Speed Control Operates Poorly (a) — The control of speed in this type is obtained by rocking the motor on the shaft, therefore, note if this mechanism is out of adjustment. Regulate it to suit the needs.