Servicing projection equipment (1932)

Page scan 00083 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
00083
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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BEARINGS 67 BEARINGS 1. Ball Bearings are Roughened or Completely Ruined (a) — An incorrect type of lubricant is being used. Any oil which contains acid will, in time, roughen or possibly ruin the bearings. Use only that oil which the maker recommends. 2. Bearings Show Undue Wear (a) — This may be due to the uneven installation of the set. Test the balance and correct it, if necessary. (b) — Dust, dirt, and ashes from the furnace are allowed to get into the bearings. This should be prevented. ( c ) — The oil rings may be sticking or rotating intermittently. Look at the rings and see that they revolve freely and that the oil is at a level where they can dip up and carry it to the bearings. 3. Bearings are Grooved (a) — Due to the possible incorrect leveling of the set, there may be no "float'' to the armature;