Echelons of maintenance
Functional
group
Components and related operation
Remarks
1
2
3
4
5
Cap Assembly, Vent
Replace ------------------------------------------------------------------------------------------------------------X
Repair --------------------------------------------------------------------------------------------------------------X
Mechanism Assembly
Adjust---------------------------------------------------------------------------------------------------------------X
Replace ----------------------------------------------------------------------------------------------------------------------------X
Repair ------------------------------------------------------------------------------------------------------------------------------X
Chamber and Bezel Assembly
Replace ----------------------------------------------------------------------------------------------------------------------------X
Repair ------------------------------------------------------------------------------------------------------------------------------X
Thermometer, Self Indicating
Replace ------------------------------------------------------------------------------------------------------------X
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