Cole Parmer Masterflex 7583-50, Руководство по эксплуатации

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OPERATING INSTRUCTIONS
The motor runs at a constant speed of 1725 rpm. The pump speed
setting is changed by using the lever on the mechanical speed control.
To increase the pump speed, move the lever away from the mechani-
cal gear box, to decrease pump speed, move the lever toward the gear
box. The pump speed can be varied from approximately 10 to 400 rpm.
The knob on the lever locks the setting and prevents accidental changes
in the pump speed (rotate the knob CW (clockwise) to lock the setting
and CCW (counterclockwise) to unlock).
To minimize the starting load, it is recommended that the system be at
approximately zero speed (lever fully CW) prior to starting the motor.
Once the motor has started, move the lever to increase speed to the
desired setting and lock in place.
Operating the system continuously at speeds approaching zero will
cause excessive wear on the mechanical speed control. Operating at
the maximum speed will result in minimum tubing life. If maximum sys-
tem life at a continuous speed is desired, the size of the pump head
should be chosen so that the desired flow is achieved at a pump speed
of approximately 60 to 200 rpm. For intermittent operation, any pump
head can be used at any speed setting without harm.
FIGURE 2
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