103. Oiling Points on the Motor Side of Type PS-16 Sound Head.
(Used with the Simplex Projector
with DC Motor Drive).-Figure 70 shows the equipment with
the chain guard removed. The oiling points on the drive side of the sound head are six in number and
are situated as follows:
Two oil pipes in the upper left-hand corner of the sound head near the photo-cell housing.
One oil cup on the projector and sound head main drive assembly.
The two holes in the turntable flexible drive shaft.
The projector and sound head drive chain.
Put one drop of a good grade of light machine oil in each oil pipe every two hours. Place a small
quantity of cotton waste in the bottom of the oil cup and keep the packing saturated with a good grade
of light machine oil. Keep the drive chain
clean and lubricate it as described in section 95. Apply about two drops of a good grade of light
machine oil to the two holes in the flexible drive shaft twice every day. The DC motor bearings are
packed in grease and will be taken care of by the RCA Photophone representative.
104. Oiling Points on the Film Side of the Type PS-14 Sound Head. (Used with the Power's Projector). - All oiling points on the film side of the sound head are indicated by red circles, and are located as
shown in Figure 68. These oiling points, aside from the oil holes in the pad rollers and the two rollers on
the sound gate, are five in number and are situated as follows:
One in the center plate of the sound head just above the sound gate.
One in the upper right-hand corner of the sound gate and drive assembly
compartment adjacent to the sound gate.
One in the shaft bearing of the impedance roller.
One in the shaft bearing of each sprocket.