.-----‘-‘--
A(: OUllW1 | VOlliIgC |
is only 20f% ol’ lhc | |
ralcti value |
|
r. |
|
| |
Pitrls |
|
u |
|
- |
,1Rotor
c(lonclenserhgine
| Possible | The | coil | is shorted | ||
| causes | |||||
I | 1 | _- | ||||
E |
|
| __ | |||
I |
|
| Mcasurc | the | resist- | |
|
|
| ||||
| llcn1s | lo | 311Cl! | coupler | ler- | |
| cheek | and | (6P | |||
| lninills) |
|
| |||
| procedure |
|
| |||
| Circuit | lcsler |
| |||
|
|
|
| |||
|
|
| TIIC | rcsislance | is | |
| Checking | l Sfjh lower 1lli111 llle | ||||
| Slillldilld | VillUC . . . | ||||
| criteria |
| ||||
|
|
|
|
|
|
Shorlccl
-
Measure the rcsist-
Circuit tester
TIIC rcsist;lucc is 1.5% lower iliaii the
standard vihe .., Shorled
Shorting 0I’Ihe coil
rotor resistor
Measure the resist- iItlcC (hctwecn the lerminals)
Circuil tester
-
IS%, lower than I he
coil | ililllllilId | . . . |
|
| Shorted | tllilll |
|
IO’%, tlit’ferciicc |
| ||
llje | resister stillltl~lKl | . . . | |
| Old |
|
|
Aged or broken
Mensurc the capa- citance (Ihe circuit lcster can not be used for I his mea- surement)
Dil’Tcrcnt I’roiri Ihc standard value
Aged
Broken
The cnginc speed is lower than norrrial
- | . ..- | - | . . | - |
To DIAG. 53,
Cheek fhe governor
_ | .., | ...., |
I
ElRemedies