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MANAGERS AND PROJECTIONISTS
121
oil casing cut away, so that we can sec the interior mechanism. The right hand side is the flywheel side. The cam, it will be observed, is the lower member, and is driven from the flywheel shaft by a gearing. What looks like a collar next the flywheel hub is not a collar but a part of the casting, as you may see by looking at your own mechanism. This illustration will be valuable to you when you are following the process of disassembling described in Instructions Nos. 8 and 9.
LUBRICATION. — This is of utmost importance as applies to the intermittent oil well. See General Instruction No. 1 Use none but perfectly clean oil of good grade. Under no circumstances use a light oil, such as Three-in-One. Looking at your mechanism, and Fig. 262, note that the oil tube nearest lamphouse carries oil to the oil well, where it ends directly
OftlVE-PULLEY IS NOT FASTENED TO TAKE-UP SHAFT, BUT RUNS FREELY ON STEEL SLEEVE, HENCE THERE IS NO STRAIN DUE TO TENSION OF BELT ON TAKE-UP SHAFT.
FRICTION OISC (LEATHER -FACED) ' FASTENED TO TAKE-UP SHAFT.
THREE PINS ON THE PULLEY DRIVE THIS FLANGE . TH ESE PINS FIT LOOSELY AND AUUOW THE FLANGE TO BE PRESSED AGAINST THE FRICTION-OISC BY THE SPRING.
PORTION OF WAGAZINE-BRACKET
STEEL
FASTENED IN MAGAZINEBRACKETfj
SPRING WHICH PRESSES FLANGE AGAINST FRICTION DISC. FRICTION ADJUSTABLE BY MEANS OFTHE NUT AND LOCK-NUT AT THE END.
Figure 263
over the star and bushing. The other tube carries oil to the flywheel shaft bearing.
The oil casing should be filled about one-third full of oil. The manufacturer advises against using an oil can to put oil into the oil well, because of the likelihood of dirt getting into the casing. It recommends the use of a glass syringe, which may be had at any drug store. The glass barrel enables you to examine the oil before it is put in, and determine whether or not it is entirely free from dirt. Keep the syringe in a box, protected from dust, and wipe the tip clean before using. Small particles of dirt or dust may work serious damage to the closely fitted, highly polished parts.