Preparation; Table 5-1 Install/Replace Chart - Honeywell DR4500A Product Manual

Operation - Preparation

5.2 Preparation

Introduction
After the DR4500A recorder is installed and configured, there are a few preparation tasks to perform prior
to start-up. These tasks include:

installing the chart,

setting the time line, and

changing the chart hub, if necessary.
Refer to T able 5-1 for these procedures.
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In some instances, it may be necessary to:

tune the controller portion - see Subsection

align the pens electrically - see Section 9 Troubleshooting/Service,

recalibrate the input - see Section 7 Input Calibration.
Install/replace chart
T able 5-1 lists the steps required to install/replace the chart. Refer to
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Step
1
Open the recorder door. Remove power if it is applied.
2
Pull the pen lifter up in order to raise the pen(s) from the chart.
3
If there is a chart already installed, remove the chart from the hub and retaining clips.
4
Install the new chart so that its edges are under the four retaining clips and its small alignment
hole is over the alignment pin on the hub.

5
If your chart hub looks like one of these and requires a smaller hub size:
Latch Latch
a)
For a) unscrew the hex head set screw and open the latch. For a) and b): pull the hub off the
motor shaft. Replace with the smaller hub shown below. (Use hub from Honeywell hub kit
30756150-001.)
Continued
116 DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
5 .3 S tart-up,
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Table 5-1 Install/replace chart

Action
Set screw Set screw
b)
F igure 5-1 and follow the procedure.
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Release M
April 2017