All inspections

Overall exterior view of CleanSwitch RTO unit appears structurally intact with ductwork, platform, ladder, and control enclosure in place; however, technician reports new fine light-tan dust accumulation around the lower duct flange that was not present six months ago, suggesting possible incipient flange leakage or seal degradation.

Overall exterior view of CleanSwitch RTO appears structurally intact, but technician reports an audible rumble during damper switchovers and new fine tan dust accumulation at the lower duct flange — suggesting possible internal media degradation with particulate carryover into the ductwork.

Overall exterior view of CleanSwitch RTO appears intact with no visible structural damage, corrosion, or leaks; however, technician reports audible rumble from inlet ductwork during damper switchovers, warranting follow-up investigation.

Overall exterior view of CleanSwitch RTO unit with ductwork, access platform, ladder, and control enclosure all intact; no abnormalities observed.

Significant process buildup is visible around the valve body and gear teeth area, consistent with the technician's first-hand observation. The accumulation appears heavy enough to potentially obstruct gap measurement and warrant cleaning.

Drive gear and driven gear mesh shows visible wear and material smearing on tooth flanks, with light process buildup around the valve assembly area.

Image is a reference schematic showing valve gap measurement positions B1–B26 on the B-side cylinder; no equipment condition is depicted.

Overall exterior view of CleanSwitch RTO appears structurally intact, but technician reports a new rumble during damper switchovers and fresh light-tan dust accumulating around the lower inlet duct flange — suggesting a developing duct leak or seal degradation not fully resolvable from the photo alone.

Overall exterior view of CleanSwitch RTO unit with ductwork, access platform, ladder, and control enclosure all visible and intact; no abnormalities observed.

Overall exterior view of CleanSwitch RTO unit appears structurally intact with ladder, platform, ductwork, and control enclosure in place; however, technician reports intermittent rumbling from inlet ductwork during damper transitions and new light-tan dust accumulation, suggesting possible internal media degradation or duct/damper issue not visible externally.

Overall exterior view of the CleanSwitch RTO unit captured for routine PM documentation; unit appears intact with no visible abnormalities.

Visible process buildup/discoloration is present on the driven gear teeth and surrounding valve body surfaces, though the switch gear assembly appears mechanically intact.

Image is a reference diagram of the B-side valve positions (B1–B26) used to document gap measurements; no physical valve condition is depicted.

Image is a reference diagram of valve positions B1–B26 on the B-side cylinder, used for documenting gap measurements. No measurement data or defect is shown.

Overall exterior view of the Dürr CleanSwitch RTO unit documented during routine PM inspection. Unit appears intact with no visible abnormalities.

Overall exterior view of CleanSwitch RTO unit captured during routine PM inspection; unit appears intact with no visible abnormalities.

Overall exterior view of CleanSwitch RTO unit captured during routine PM inspection; unit appears intact with no visible abnormalities.

Front-side view of the Dürr CleanSwitch RTO showing exhaust ductwork, damper bank, and fan housing intact with no visible abnormalities.

Front-side view of the Dürr CleanSwitch RTO showing the exhaust ductwork, damper bank, and fan housing intact with no visible abnormalities.

Overall exterior view of the Dürr CleanSwitch RTO showing the main unit, ductwork, access platform with ladder, gas piping, and control enclosure. No visible abnormalities are evident.

Overall exterior view of the Dürr CleanSwitch RTO unit showing ductwork, access platform with yellow ladder, control enclosure, and main housing in intact condition with no visible abnormalities.

Exterior overall view of a Dürr CleanSwitch RTO unit; the photo does not show the internal ceramic media bed that this checklist item targets.

Image shows the equipment nameplate for a Megtec CleanSwitch CS-600 (Project 10015699, ship date 09/2010), not a job tag with safety test entries.

Equipment nameplate captured legibly identifying a B&W Megtec CleanSwitch RTO, Model CS-600, Unit No. CS-1217, shipped 03-2016.

Front-side view of the Dürr CleanSwitch RTO showing ductwork, damper bank, and fan housing intact with no visible abnormalities.