ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
i.
Connect negative battery cable and dose battery access door.
4-21-2 Removal.
a. Shutdown generator set.
b. Open battery access door and disconnect negative battery cable.
c.
Remove generator set housing rear panel, paragraph 2-18-1.
d. Open output box access door and disconnect exciter fields leads F1 and F2 from terminals 1 and 2 of TB8.
e.
Attach fish wires to disconnected F1 and F2 leads to aid in installation process.
f.
Remove generator end bell, paragraph 4-19-1.
g.
Remove setscrews (15, FIGURE 4-14) and exciter stator (16) from end bell (5).
h. Detach fish wires once F1 and F2 leads dear generator housing (11).
4-21-3 Installation.
a. Attach fish wires to F1 and F2 leads of exciter stator (16, FIGURE 4-14).
b. Gently pull on fish wires to pull F1 and F2 leads back through generator housing. Disconnect fish wires and
position F1 and F2 leads in output box.
c.
Position exciter stator (16) in end bell (5). Secure exciter stator (16) in place with setscrews (15).
d. Install generator end ball, paragraph 4-19-2.
e.
Install generator set housing rear panel, paragraph 2-18-4.
f.
Connect exciter field leads F1 and F2 to terminals 1 and 2 of TB8. Close output box access door.
g.
Connect negative battery cable and dose battery access door.
4-22 EXCITER ROTOR.
4-22-1 Testing.
a. Shutdown generator set. Allow generator to cool to ambient temperature.
b. Open battery access door and disconnect negative battery cable.
c.
Remove generator sat housing rear panel, paragraph 2-18-1.
d. Remove generator end bell top cover and louvered covers, paragraph 4-19-1, step d.
e. Tag and disconnect exciter rotor leads (3 places) from rotating rectifier by removing bolts (3, FIGURE 4-12) and
Iockwashers (4).
NOTE
It will be necessary to bar (turn) the engine in order to position a specific area of the
rotating rectifier at one of the end ball access holes. Turn engine using center bolt on
harmonic balancer, refer to TM9-2815-255-24.
4-40
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