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Document Number
Form: 62-86-33-41
Effective: 08-4-05
Supersedes: None
Summary
This kit contains a new potentiometer and associated parts for your 10260A Actuator.
Tools Needed
To perform the installation procedure, you will need the following tools:
10260A Series Actuator
1000 Ohm Potentiometer Kit
Replacement Instructions
51451656-507
• Medium Flat-blade screwdriver
• Medium Phillips screwdriver
• Small needle-nosed pliers
Procedure
WARNING
Disconnect power before accessing components inside the actuator. Failure to do so may result in death or
serious injury.
ATTENTION
When working with Printed Wiring Assemblies (PWAs) always protect against electrostatic discharge by
wearing a grounded wrist strap. Failure to do so may result in equipment damage.
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Table 1 1000 Ohm Installation Procedure
Step Action
1
2
3
Remove covers
Remove all 3 covers (top and both rear covers)
Remove potentiometer
Disconnect potentiometer wires at the terminal board. (Terminals 32, 33, 34, 35, 36 and 37. )
Disconnect potentiometer from mounting plate. Save the nuts for next step.
Mount the new potentiometer using saved nuts.
4
Slide the potentiometer actuator sleeve through the potentiometer and over the end of the cam bushing.
Push the sleeve in potentiometer fitting the pin into the slot of the potentiometer.
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Step Action
5
Connect wires.
Feed the potentiometer wires down from the upper casting cavity to the lower cavity. Connect the
potentiometer wires to the appropriate terminals using the wiring table below.
Wire Color
Terminal
Red TB4-32
Blue TB4-33
Green TB4-34
Black TB4-35
White TB4-36
Yellow TB4-37
6
Position actuator to 50% of span. Pointer may be on either the right or left side of the scale. Pointer as
shown is on the left side of the scale.
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Step Action
7
Calibrate the potentiometer.
Connect a multi meter set to ohms ( Ω ) to terminals TB4-35 & TB4-36.
Use a small allen wrench in the hole on the potentiometer actuator sleeve to turn the potentiometer.
Adjust the potentiometer to 500 Ω +/- 5 Ω.
Install the set screw.
When the potentiometer is set for 500 Ω tighten the set screw.
8
9
Replace the gasket.
Re-attach the top cover.
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Warranty/Remedy
Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship.
Contact your local sales office for warranty information. If warranted goods are returned to Honeywell
during the period of coverage, Honeywell will repair or replace without charge those items it finds defective.
The foregoing is Buyer's sole remedy and is in lieu of all other warranties, expressed or implied,
including those of merchantability and fitness for a particular purpose. Specifications may change
without notice. The information we supply is believed to be accurate and reliable as of this printing.
However, we assume no responsibility for its use.
While we provide application assistance personally, through our literature and the Honeywell web site, it is
up to the customer to determine the suitability of the product in the application.
Industrial Measurement and Control
Honeywell
1100 Virginia Drive
Fort Washington, PA 19034
62-86-33-41 08/05 Printed in USA www.honeywell.com/imc
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