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.

Put a good grade of light machine oil in each of these holes twice every day. When oiling the pad rollers and the sound gate rollers, dip the end of a tooth pick in a good grade of light machine oil and apply the oil which adheres to the tooth pick to these oiling points once each day.

102. Oiling Points on the Motor Side of the Type PS-16 Sound Head. (Used with the Simplex Projector and AC Motor Drive).-The oiling points on the drive side of the sound head, as shown in Figure 69, are seven in number.

Two oil pipes in the upper left-hand corner of the sound head near the photocell housing.

One oil cup in the projector and sound head main drive assembly.

Two waste packed oil chambers on the motor (one at each end of the motor shaft) .

Two oil holes, one on each end of the flexible drive shaft.

Put one drop of 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 two waste packed oil chambers of the motor saturated with a good grade of light machine oil. Apply a good grade of light machine oil to the two oil holes in the flexible drive shaft twice every day.

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