Servicing projection equipment (1932)

Page scan 000150 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
000150
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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134 PROJECTOR (e) — If a friction take-up is employed, the tension is set far too heavy. Adjust it to that exact degree at which it will function without trouble. (f ) — The idler may not have been properly set, therefore adjust it. 17. Parts, Bearings Wear Rapidly (a) — The dust in the air settles on the parts which will wear if they are not kept clean. The dust may also have been carried into the bearings with dirty oil. Cover all oil in order that it may be kept away from dust. (b) — This may be due to a misadjustment of the parts. Follow the manufacturer's instructions in installing the parts. (c) — Perhaps the adjustments are being kept too tight. Set up the parts just tight enough for proper operation but not so tight that the parts can bind. For, even if the parts are lubricated this binding causes the wear to slowly pulverize the metal, and the grinding effect of this, mixed with the oil, causes the metal to wear very rapidly. 18. Mazda Mirror Images Do Not Fall Exactly Between Filament Images (a) — The mirror has been slightly misadjusted, or it has been moved out of its correct position,