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 TM 55-1905-219-14-10
5-32. GENERATOR (40 KW)-MAINTENANCE INSTRUCTIONS.
LOCATION
ITEM
ACTION
REMARKS
TESTS (Cont.)
2. Check insulation
If a ground is
resistance for
indicated and
winding to arma-
not located and
ture sleeve or
repaired. Re-
laminations.
place the arma-
ture.
RESISTANCE LIMITS
(Corrected for 25 . or 77 .)
C
F
*Alternator Armature (Slator)
.200
-
.220
Ohms
Alternator Field (Rotor)
2.55
-
2.85
Ohms
Exciter Armature
.27
-
.30
Ohms
Exciter Field CF
48.5
-
54.0
Ohms
Exciter Field F
1.08
-
1.2
Ohms
*High Voltage Connection
4. Rotating
rectifiers
assembly
NOTE
The following tests are made with a VOM. Complete the entire
series of checks before performing any repair. Replace any
components which do not have the resistance readings
indicated.
a. Armature
Disconnect and identify.
Identification
leads,
should insure
and field
that the leads
leads
can be recon-
nected to the
same point from
which they were
removed.
5-484
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