Ametek CHANDLER ENGINEERING Twin UCA 4262, Руководство по эксплуатации

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SECTION 3 – MAINTENANCE AND SERVICING 3-3
Caution: Small parts are present within the sensor assembly. Take care not to
lose the parts.
3. Remove the sensor components: Valve Stem (Item 101), Spring (Item 104), Spacer (Item
106), Seal (Item 007) and Sensor backup (Item 103).
4. Remove and replace the backup rings and o-rings (Items 051, 053, 052 and 054) using the
new seals from the rebuild kit. Lubricate the o-rings with a suitable lubricant.
5. Replace the sensor internal components using the new internal components; Valve Stem
(Item 101), Spring (Item 104) and Seal (Item 007). Reuse and reinstall the original spacer
(Item 106).
6. Reassemble the sensor pad, sensor backup and sensor. Place a small amount of anti-seize
lubricant on the threads.
7. Discard all the used components.
Major Assembly
1. Place the sensor assembly back into the body (Item 001). Place a small amount of o-ring
lubricant on the o-ring (Item 0052). Push the assembly into place using the needle nose
pliers.
2. Screw the bonnet assembly with the spring into the body. Place a small amount of anti-
seize lubricant on the threads.
3. Install the knob, nut and cover plug back on the regulator.