7-6 THERMOCOUPLE BUSBAR (AVIM) (Continued)
Install busbar (4), plates (2), if fitted, and bolts (1).
Where plates (2) are fitted, torque bolts to 15 to 20
inchpounds otherwise to 20 to 30 inch-pounds.
Thermocouple probe terminal bars are insulated
with baked ceramic, which is extremely fragile.
Do not hold probe by the body and avoid
twisting terminal when tightening screws. Use
9/64 inch Allen head wrench for alumel terminal
screws and 7/64 inch for chromel terminal
Insert smaller terminal screw in chromel terminals of
thermocouple probe and larger screws in alumel terminals
of probe. Insure that screw heads face towards front of
engine. Hold each terminal bar with Pliers (T.74) and using
Allen head wrenches, torque screws and individually
secure each screw with Lockwire (E.4) to its terminal strap.
FOLLOW ON MAINTENANCE:
Connect Thermocouple Harness
Installation Power Section
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