OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com
42
Maintenance
Potentiometer
1. The potentiometer should be kept as clean as possible. Periodically
submerge the unit in solvent to remove cement and other materials.
Contact Arm
Shaft-Bearing
Retainer
Calibration
Spring
Resistor
Set Screws
2. To install a new resistor:
a. Remove the four small screws holding the shaft-bearing retainer to
the potentiometer assembly.
b. Remove the contact arm.
c. Carefully lift the damaged resistor away from the potentiometer. Clear
the resistor groove of any foreign material.
d. Carefully place the new resistor into the groove and ensure that it is
centered between the two terminating contacts.