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 TABLE 5-1 (Continued)
REPAIR
REPLACE
COMPONENT
Pumps, Separate Motor (cont)
Never
Always
Flange Gaskets
Always
Never
Shaft Seals
Heat Exchangers
Always
Never
Tubes (Scaled)
Sometimes
Usually
Tubes (Leaking)
Sometimes
Sometimes
Shells
Sometimes
Sometimes
Bonnets
Never
Always
Bonnet Gaskets
Never
Always
Anode
Rarely
Insulation
Usually
Rarely
Usually
Hangers
Closed Loop Fluids
Rarely
Usually
Glycol (Low pH)
Glycol (Poor inhibitor condition)
Rarely
Usually
Sometimes
Usually
Glycol (Low concentration)
Always
Never
Glycol (Contaminated)
Always
Never
Synthetic Oils (Contaminated)
Always
Never
Silicone Oils (Contaminated)
Controls. Sensors and Sensor Wiring
Rarely
Usually
Control (Entire unit)
Always
Never
Control (Circuit card only)
Always
Never
Sensors (All types)
Sometimes
Usually
Sensor Wiring
REPAIR
140
5.1 REPAIR OR REPLACE
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