Honeywell DR4200, DR4300, DR4500 Replacement Instructions

Models DR4200, DR4300, and

DR4500 Recorders

Replacement Instruction

Chart Hub Kit (30756150-001)

Document Number Form: 44-45-33-60C

Effective: 6/07
Supersedes: 7/00

Kit Contents This Chart Hub Replacement Kit contains the following parts:

Description Quantity

• Allen wrench 1, 5 mm

• Chart hub ass’y, tamper resist.

• Chart hub ass’y, large diam.

• Compression spring

• Chart hub ass’y, small diam.

Summary Enclosed is a new chart hub kit with parts required to replace the chart

1
1
1
1
1

hub in a DR4200, DR4300, or DR4500 recorder. Use the following
procedures, as appropriate, to replace the existing chart hub assembly.

WARNING

Never access components inside the case, or remove or

install any connectors, with power applied.

Chart hub types

Chart Hub Type Description How to intall

Hub used with ink pens and
preprinted charts when
approval bodies or process

Slide hub down to
bottom of motor shaft

and tighten set screw.
inspectors require tamper
proof operation.

Standard hub used on all
DR4500/DR4300/DR4200

Push hub onto motor

shaft.
recorders.

Hub used with ink pens and
preprinted charts that have a
small center hole.

44-45-33-60C Page 1 of 4

Push hub onto motor

shaft.

Kit Instruction, continued

Component Location
for DR4200/DR4300 installation procedure.

Refer to Figure 1 for the component locations and Table 1 for the

Screws

24240

Figure 1 – Component Location

DR4200/DR4300 Follow the procedure in Table 1 to replace the existing chart hub
Procedure assembly in your recorder.

Table 1 –
Chart Hub Assembly Replacement for DR4200/DR4300 Recorders

Step Action

1
2

Open the chart door and swing the chart plate out.
Remove chart hub (front of chart plate) and chart motor (rear

of chart plate) by removing screws. Save screws. Pull hub
off the motor.

3

Select the chart hub from the kit that matches the one you

removed.

4

Attach hub to motor. Refer to chart hub types on page 1.

5

Hold motor in place and adjust chart hub flush with platen
and centered in platen opening.

6

Re-install motor with screws. Ensure that chart hub rotates

freely and does not bind.

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