Trouble Shooting Chart (Sheet 10 of 20)
Figure 5
TROUBLE, SYMPTOM
TEST, CHECK, AND/OR
AND CONDITION
PROBABLE CAUSE
REMEDY
GENERATOR EXCITATION CIRCUITS (CONTINUED)
1. No (or low) genera-
C. Defect in VOLTAGE
C. Check as follows:
tor output voltage
REG. excitation cir-
in all phases. Gen-
cuit.
erator operating at
400 Hz in AUTOMATIC
(1) Defective AUTO-
(1) Check the switch thor-
mode. (Continued)
MANUAL switch
oughly. A defective
(33, Fig. 1)
switch may prevent cur-
rent reaching and/or
leaving the voltage reg-
ulator. Replace switch
if defective.
(2) Defective exci-
(2) Check EDR contacts. A
tation-deenergi-
faulty EDR can prevent
zation relay
power from reaching the
(K16) (1-1; 3,
voltage regulator. Re-
Fig. 7)
place relay if defective
(3) Defective ballast
(3) If output voltage was
resistor(s), (See
produced when the gener-
Fig. 2)
ator set was operated in
MANUAL mode, the resis-
tors are good. If no
voltage was produced in
MANUAL mode, resistors
could be defective.
Refer to Fig. 5 and con-
nect a jumper lead a-
cross the ballast resis-
tors. If an output volt-
age is now produced,
replace resistors as
OM-2028
3-1
June 20/89 Revised
Page 18
Содержание 6910
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Страница 14: ...This page intentionally left blank OM 2028 Introduction June 20 89 Revised Page 2 ...
Страница 40: ...This page intentionally left blank OM 2028 1 1 May 1 91 Revised Page 26 ...
Страница 66: ...Engine Control Panel in Tilt out Position Figure 6 OM 2028 2 1 August 31 90 Revised Page 12 ...
Страница 72: ...This page intentionally left blank OM 2028 2 2 June 20 89 Revised Page 6 ...
Страница 100: ...Test Receptacle Connector Termi nals Identification Figure 4 OM 2028 3 1 June 20 89 Revised Page 8 ...
Страница 128: ...Generator Set Figure 1 OM 2028 4 3 May 1 91 Revised Page 2 ...
Страница 130: ...Canopy Assembly Figure 2 OM 2028 4 3 May 1 91 Revised Page 4 ...
Страница 132: ...This page intentionally left blank OM 2028 4 3 May 1 91 Revised Page 6 ...
Страница 134: ...Generator Set Without Canopy Figure 3 OM 2028 4 3 May 1 91 Revised Page 8 ...
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Страница 138: ...Radiator and Cooling System Group Figure 4 OM 2028 4 3 May 1 91 Revised Page 12 ...
Страница 140: ...Air Cleaner Assembly For units manufactured before and during August 1990 Figure 5 OM 2028 4 3 May 1 91 Revised Page 14 ...
Страница 142: ...Electric Governor Kit Figure 6 OM 2028 4 3 May 1 91 Revised Page 16 ...
Страница 144: ...Fuel Lines Assembly Figure 7 OM 2028 4 3 May 1 91 Revised Page 18 ...
Страница 146: ...Oil Line Assembly Figure 8 OM 2028 4 3 May 1 91 Revised Page 20 ...
Страница 148: ...Stator Terminal Panel Assembly Figure 9 OM 2028 4 3 May 1 91 Revised Page 22 ...
Страница 150: ...Power Module Panel Assembly Figure 10 OM 2028 4 3 May 1 91 Revised Page 24 ...
Страница 152: ...Control Box Assembly Figure 11 OM 2028 4 3 May 1 91 Revised Page 26 ...
Страница 154: ...Generator Controls Tray Assembly Figure 12 OM 2028 4 3 May 1 91 Revised Page 28 ...
Страница 156: ...Protective Relays Tray Assembly Figure 13 OM 2028 4 3 May 1 91 Revised Page 30 ...
Страница 158: ...Control Box and Internal Components Group Figure 14 OM 2028 4 3 May 1 91 Revised Page 32 ...
Страница 160: ...Engine Control Panel Assembly Figure 15 OM 2028 4 3 May 1 91 Revised Page 34 ...
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Страница 164: ...Output Terminal Board Assembly Figure 16 OM 2028 4 3 May 1 91 Revised Page 38 ...
Страница 166: ...Generator Assembly Figure 17 OM 2028 4 3 May 1 91 Revised Page 40 ...
Страница 168: ...Mounting Frame Assembly and Lifting Yoke Figure 18 OM 2028 4 3 May 1 91 Revised Page 42 ...
Страница 170: ...Water Heater Figure 19 OM 2028 4 3 May 1 91 Revised Page 44 ...
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