TM 9-6115-604-34
NAVFAC P-8-633-34
1.
HEXAGON HEAD SCREW
35.
REVERSE POLARITY RECTIFIER AND
2.
HEXAGONAL NUT
ATTACHING HARDWARE
3.
SCREEN ASSEMBLY
36.
STANDARD POLARITY RECTIFIER AND
4.
DRIP COVER ASSEMBLY
ATTACHING HARDWARE
5.
HEXAGON HEAD SCREW
37.
SURGE PROTECTOR
6.
CONDUIT BOX COVER ASSEMBLY
38.
RETAINER RING
7.
SEAL
39.
BALL BEARING
8.
HEXAGON HEAD SCREW
40.
NUTS
9.
BELLEVILLE WASHER
41.
LEAD
10.
EXCITER STATOR ASSEMBLY
42.
LEAD
11.
LEAD SHIELD
43.
TERMINAL
12.
HEXAGON HEAD SCREW
44.
TERMINAL
13.
EXCITER ROTOR ASSEMBLY
45.
HEXAGON HEAD SCREW
14.
STANDOFF
46.
LOCKWASHER
15.
ROTOR ASSEMBLY
47.
SCREW
16.
HEXAGON HEAD SCREW
48.
RECTIFIER ANGLE
17.
LOCKWASHER
49.
INSULATOR PLATE
18.
BEARING CAP
50.
HEXAGON HEAD SCREW
19.
BRACKET
51.
LOCKWASHER
20.
HEXAGON HEAD SCREW
52.
WOUND ARMATURE ASSEMBLY
21.
PLAIN WASHER
53.
HEXAGON HEAD SCREW
22.
COUPLING DRIVE DISC
54.
BELLEVILLE WASHER
23.
HUB
55.
FAN
24.
SPACER PLATE
56.
SETSCREW
25.
MACHINING ADAPTER
57.
HUB KEY
26.
HEXAGON HEAD SCREW
58.
MOUNTING KEY
27.
LOCKWASHER
59.
STRIP HEATER
28.
HEXAGON HEAD SCREW
60.
MOUNTING SCREW
29.
MOUNTING WASHER
61.
MOUNTING SCREW
30.
GROUNDING BOLT
62.
MOUNTING BRACKET
31.
GROUNDING WASHER
63.
STUD
32.
CONDUIT BOX ASSEMBLY
64.
LOCKWASHER
33.
COIL ASSEMBLY
65.
HEXAGONAL NUT
34.
HEXAGON HEAD SCREW
Figure 5-1. Generator Gl and Related Parts (Sheet 3 of 3)
(3)
Tag and disconnect rectifier leads on the rotating rectifier assembly (detail A, Figure 5-1).
(4)
Disconnect the three exciter armature leads from the rotating rectifier assembly and tag according to phase
(phase A, B, and C).
(5)
Obtain a 500 V dc megohmmeter. Connect leads as shown below and operate megohmmeter 60 seconds
for each set. Monitor resistance reading for each set tested. Short black megohmmeter lead to ground
after each test with exciter armature leads still connected.
(a) Phase A to phase B
(b) Phase B to phase C
(c) Phase C to phase A
(d) Phase A to ground
(e) Phase B to ground
(f) Phase C to ground
(6)
Megohmmeter reading for each phase-to-phase test (A to B, B to C, and C to A) should indicate greater
than 1 megohm. Clean, dry, or repair exciter rotor assembly if megohmmeter indicates greater than 1
ohm, and retest. Repair or replace exciter rotor assembly if any phase to phase test indicates less than 1
megohm.
5-6
