PHOTO #4 Removed tube sample

NOTE: Failure in tube
PHOTO #4
Bottom Half - Note Minimal Corrosion
Liquid
PHOTO #5 Severe groove depth adjacent
to edge of support

PHOTO #6

PHOTO #7

PHOTO #8

PHOTO #5
Top Half - Note Corrosion

PHOTO #6
Bottom Half - Note Minimal Corrosion

PHOTO #7 Cross Section
Tube split to show top & bottom
-
Left & right sides show minimal corrosion. Liquid covered.
-
Inner left & right (top circumference of tube) show heavy corrosion. Liquid/Vapor.

PHOTO #8
Top Half - Note Corrosion

Unexpected Tube Failure in
HDS Stripper OVHD Air Cooler
chronicle companion images

PHOTO #2

NOTE: Close up of Failure
PHOTO #1
Top half of tube looking at failure
PHOTO #3
Top Half of Tubing - Note Corrosion
Liquid/Vapor
Company Policy Page 3 of 3
Interactive Hover Boxes - Listed Alphabetically
Play button for Slide Show


S

PHYSICAL
MEASUREMENTS
We want #s
MO
S

STRain
RELIEF
MO
Scope USB Connection:
-
Use cord strain relief
-
Form a loose loop in USB cable
-
Push a few inches of USB cable into table's case
-
Prevents connectors from becoming loose
-
Prevents cable movement resulting in noise, shortened probes, etc...
A USB connector is not meant to handle the wear & tear we put them through
V

VIDEO
PROBES
Part 1 of 2
MO
Video probes: To collect
stills & video information for corrosion found in an exchanger.
-
Where laid out?
-
Crushing & pinching hazards
-
Don't crimp, beware of tight bends
-
Replace tips over catch basin
-
Don't force tips on
-
Clean cable after use
-
Don't use harsh chemicals
-
Use for MII personnel only
Follow protocols to take care of & use equipment properly.
V

VIDEO
PROBES
Part 2 of 2
MO
Video probes: To collect
stills & video information for corrosion found in an exchanger.
-
Equipment stored dry in case
-
Tubing temperature caution
-
Blow down tubes prior to video
-
Go slow as you video probe
-
Clean hands prior to use
-
Carry equip. in protected case
-
Slowly attach recording device
-
Always check stills or videos on a separate device
Follow protocols to take care of & use equipment properly.

V

VISUAL
AROUND BUNDLE
MO
Expect all bundle inspec-
tions are a visual 60/40 ratio. [60% on ground, knees, on back or laying down. 40% from a standing position]
-
Knee pads: Crawl around, under & over bundle
-
Perform measurements i.e. calipers, feeler gauge, picks
-
If you haven't looked, you can't be assured you did not miss it
-
All tube ends on Fin Fans need to be viewed