Alternator Belt Replacement - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
(3) Install the alternator adjusting link with the two bolts and different washers where shown
in Figure 5.
(4) Examine the alternator belt per "Alternator Belt Inspection" in this chapter.
(5) Install the alternator belt on the alternator per the "Alternator Belt Installation" procedure
in this chapter.
(6) Install safety wire/cable on the bolts on the alternator adjusting link as shown in Figure 4
per the latest revision of Service Instruction No. SI-1566.
(7) Connect the aircraft wiring to the
alternator as follows for each terminal
location shown in Figure 6:
(a) Ensure the bottom terminal stud
nut is torqued per the bottom nut
torque value shown in Table 1.
(b) Install the aircraft terminal wire
with a new lock washer.
(c) Hold the bottom terminal nut with
a thin wrench and torque the top
terminal nut per the top nut torque
value shown in Table 1.
Terminal
Output Terminal
Field Terminal
GND Terminal
AUX Terminal

6. Alternator Belt Replacement

CAUTION DISCONNECT THE BATTERY AND ALL POWER TO THE ENGINE TO
PREVENT ELECTRICAL SHOCK AND ACCIDENTAL ENGINE START.
A. Alternator Belt Removal
(1) Remove the safety wire from both bolts and cotter pins on the alternator adjusting link
(Figure 4).
(2) Loosen the bolt that attaches the alternator adjusting link to the alternator (Figure 5).
(3) Loosen the bolt that attaches the alternator adjusting link to the crankcase (Figure 5).
(4) Rotate the alternator on the bracket towards the starter ring gear.
(5) Remove the alternator belt from the alternator pulley and the starter ring gear support
(Figure 1).
© 2018 Avco Corporation. All Rights Reserved
November 2018
Table 1
Alternator Terminal Stud Nut Torque Values
Bottom Nut Torque Value
70 to 85 in.-lb. (7.9 to 9.6 Nm)
12 to 15 in.-lb. (1.4 to 1.7 Nm)
25 to 30 in.-lb. (2.8 to 3.4 Nm)
25 to 30 in.-lb. (2.8 to 3.4 Nm)
Figure 6
Alternator Terminals
Top Nut Torque Value
70 to 85 in.-lb. (7.9 to 9.6 Nm)
6 to 8 in.-lb. (0.7 to 0.9 Nm)
25 to 30 in.-lb. (2.8 to 3.4 Nm)
25 to 30 in.-lb. (2.8 to 3.4 Nm)
72-70
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