Thermo Scientific SOLA II, User Manual

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Rotary Valve Service
Two-Position Air Actuator O-ring Replacement
B-6 SOLA II User Guide Thermo Fisher Scientific
You will need the following to perform the tasks described in this section.
λ
9/64” hex driver
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3/8” open-end wrench
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3/16” screwdriver
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An awl or small jeweler’s screwdriver
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Silicone lubricant (such as Dow Corning

DC-111)
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Lint-free tissues and a clean shop rag
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Standard O-ring kit (VICI P/N OR)
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High temperature O-ring kit (VICI P/N ORT)
1. Apply air pressure to the actuator inlet nearest the valve. Then use the
open-end wrench to remove the air supply lines from the actuator.
Figure B–5.
2. Remove the valve and valve-mounting hardware from the actuator (as
shown in Figure B–5):
a. Use the 9/64" hex driver to loosen the HWSC-SC8-10B/socket-head
screw in the black anodized CR3/clamp ring on the actuator.
b. Pull off the standoff with the valve attached.
c. Use the 9/64” hex driver to remove the two HWSC-SC8-6/socket-head
screws that hold the clamp ring to the actuator.
Two-Position Air
Actuator O-ring
Replacement
Disassembly