Honeywell DR4500 pen arm

Honeywell DR4500 pen arm
DR 4500 & DR4500A Truline
Circular Chart Recorder
Pen Arm Assembly Kit
Replacement Instruction
Assembly 30756304-501 (High Speed)
Assembly 30756304-502 (Abrasion Resistant)
Form: 44-45-33-35
Effective: 3/99
Supersedes: 44-45-33-35 -- 5/96
Summary
Enclosed with this instruction is a pen arm assembly for either your
• DR4500 Recorder (Truline)
• DR4500A Recorder (Truline)
WARNING
Never access components inside the case with the power
applied.
Removing the
existing pen arm
Table 1
Procedure for removing the existing pen arm.
Step
Action
1
Open the recorder door.
2
Press the [CHART] key. The pen arm will move to its outer limit and
stop. Prompt “CHT HOLD” will appear in the lower display.
3
Remove power from the recorder.
4
Loosen the captive screw on the right side of the chart plate and swing
the plate out.
5
Disconnect the stylus wires by removing the plug connector from J8 on
the Main printed circuit board (on current models, located on the left
hand edge of the board - under alarm PCB, if supplied).
6
Remove the screw that fastens the pen arm to the plastic sector gear on
the servo shaft, and remove the pen arm with stylus wires from the shaft.
Continued on next page
Form 44-45-33-35
Page 1 of 4
Pen Arm Assembly Kit Instruction
Installing the new pen
arm
Table 2
Step
Page 2 of 4
Procedure for installing the new pen arm.
Action
1
Feed the stylus wires through the hole in the center of the sector gear.
Place the pen arm on the sector gear and fasten it with the screw
provided with the pen assembly, but don’t tighten it completely.
2
Be sure a chart is installed and swing the chart plate out.
3
Use finger pressure on the sector gear to move the pen arm toward the
chart hub until the sector gear comes to its limit stop.
4
Close the chart plate. Rotate the pen arm on the sector gear so that the
stylus (pen tip) sets on the chart plate next to the chart hub but not
touching the chart hub. Then tighten the screw holding the pen to the
sector gear. Swing the chart plate out.
5
Route the plug end of the stylus wires to connector J8 on the Main
printed circuit board. Secure the wires to other wires with wire ties.
6
Close the chart plate and tighten the captive screw.
7
Follow the next procedure to adjust the printing.
Form 44-45-33-35
Pen Arm Assembly Kit Instruction
Adjust Printing
Table 3
Step
1
Procedure for selecting pen and trace information.
Press
SET
UP
until you
see:
Result or Action
Upper Display
SET UP
Lower Display
LOCKOUT
Upper Display
2
FUNC
++++
Lower Display
until you
see:
3
PASSWD
until you
see:
SET
UP
until you
see:
5
Use
or
to select NONE
LOCKOUT
Upper Display
ADJUST
Lower Display
PRINTING
Upper Display
until you
see:
6
Use
or
to select MEDIUM
Use
or
to select MEDIUM
Lower Display
TRACE LN
Upper Display
FUNC
until you
see:
7
Lower Display
GRID LN
Upper Display
FUNC
until you
see:
SET
UP
until you
see:
Form 44-45-33-35
to enter password as each
appropriate character is highlighed.
Lower Display
FUNC
8
or
Upper Display
FUNC
4
Use
Lower Display
PEN TYPE
or
Use
to select
NORMAL for P/N 30756304-501
JEWEL for P/N 30756304-502
Upper Display
SET UP
Lower Display
LOCKOUT
Page 3 of 4
Pen Arm Assembly Kit Instruction
Upper Display
9
FUNC
++++
Lower Display
until you
see:
10
PASSWD
or
to enter password as each
appropriate character is highlighed.
Upper Display
FUNC
until you
see:
11
Check pen alignment
Use
Lower Display
or
Use
to select
any selection other than NONE
LOCKOUT
Check the pen alignment.
Check the pen alignment by creating a chart. The base or bottom line of
the created chart should not print over the word HONEYWELL logo on
the blank chart. The base line of the created chart should not be further
than 1/8th of an inch away from the HONEYWELL logo.
ATTENTION
If the alignment is incorrect, loosen the screw at the sector
gear and readjust. Adjustment is linear.
If the printing is too dark, repeat steps 4, 5, and 6 in Table 3.
If any other problem occurs, call Honeywell Technical Assistance Center
1-800-423-9883
Page 4 of 4
Form 44-45-33-35
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