Servicing projection equipment (1932)

Page scan 00082 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
00082
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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66 MOTORS AND MOTOR GENERATORS down the parts, cutting the shellac, and softening the insulation which, in time, can cause serious damage. Therefore, these or similar products are never to be used. To clean the commutator, prepare a canvas pad in which a small quantity of clear vaseline has been allowed to penetrate. Wipe off the dirt, dust, etc., with a rag, then brush with a bristle brush not hard enough to abrade or wear, but just stiff enough to remove the dirt and the brush-dust from around the commutator, the bars, and the springs. The commutator should then be wiped with the pad, but not much vaseline should be allowed to get upon it. Soft brushes usually have enough paraffin in them for commutator lubrication.