TM 55-2840-251-23
7-6 THERMOCOUPLE BUSBAR (AVIM) (Continued)
7-6-1 REMOVAL
1.
Remove bolts (1) and retaining plates (2), if fitted.
CAUTION
Engine thermocouple terminal bars are
insulated with baked ceramic which is extremely
fragile; therefore, avoid twisting terminals when
loosening screws. Use 9/64 inch Allen head
wrench for alumel terminal screws and 7/64 inch
Allen head wrench for chromel terminal screws.
2.
Hold terminal bars of thermocouples with long-nosed
Pliers (T.74) and remove screws from thermocouple
terminals.
3.
Remove busbar (4).
4.
Install bolts (3). Torque to 9 to 12 inch-pounds and
lockwire (E.4).
7-6-2 INSPECTION
1.
Inspect busbar for:
- Damaged threads
- Broken strips or lugs
2.
Replace damaged items.
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