Product Overview

down, and remove the pen; place a new pen on top of the pen arm, align the

notches on the pen arm with the notches on the pen latch and close the latch

by wrapping it around the pen holder until it is secured. Replace cap on the

pen tip when the CR87B is not used to insure long pen life. For pen installation

see Fig. 1.

9. The CHART SPINDLE holds and rotates the chart during the recording

operation. DO NOT ROTATE THE SPINDLE BY HAND AS IT MAY DAMAGE

THE INTERNAL MECHANISM.

10.The PAPER CHART is 6 inches in diameter. The replacement charts are

available from any of Sealed Unit Parts Co., Inc. authorized distributors in a

box of 60 charts each. The chart part numbers are listed on the following page.

TO INSTALL A NEW CHART disconnect power from the CR87B by selecting

OFF with the Power / Single/ Continuous Chart Selector. Place pen cap on

pen point. Gently lift the pen arm and while holding it remove the old chart.

Slide a new chart under the pen holder and the chart holding tabs. Align the

chart with the chart spindle. Apply power to the CR87B and rotate the chart by

depressing the chart advance button until the time pointer is aligned with the

line on the chart representing the right time or day. Remove the pen cap. If

desired, adjust the pen position according to the scale you wish to record.

11.The ROTATION POINTER indicates direction of chart rotation.

12.The HANDLE for carrying folds towards the back of the case to be out of the

way when CR87B is mounted on the panel or on the wall.

13.The KEYHOLE SLOTS located on the back of the case are provided for wall or

panel mounting.

14.The FRONT COMPARTMENT under chart was designed to store the battery

holder for battery backup as well as the connection for the adapter box.

15.The REMOTE TEMPERATURE SENSOR is interchangeable. The furnished 4"

stainless steel sensor has 15 feet of cable. The temperature sensor is an

electronic digital proprietary design for precision and very high interference

immunity. It utilizes the standard RCA connector. The sensor cable may be

extended with an extension cable available from Sealed Unit Parts Co., Inc. or

its distributors.