Trouble Shooting Chart (Sheet 5 of 20)
Figure 5
TROUBLE, SYMPTOM
TEST, CHECK, AND/OR
AND CONDITION
PROBABLE CAUSE
REMEDY
ENGINE AND CONTROLS (CONTINUED)
7. Engine will not
A. 12-V DC power not
A. Apply 12-V DC directly to
come “up” to gov-
reaching governor
terminal 1 on governor con-
erned speed in GEN
control box due to
trol box. If engine comes-up
mode.
defective operating
to speed, check following:
ode switch (18, Fig.1)
B. Governor linkage
B. Check governor linkage and
binding or governor
throttle shaft for binding
throttle sticking
and sticking. Repair as
required.
C. Defective or mis-
C. The control unit may not be
adjusted magnetic
receiving a signal from the
pickup (2, Fig. 5,
magnetic pickup and the
2-3).
“fail-safe” feature of the
unit may be functioning to
prevent any signal from
reaching the actuator. To
check the magnetic pickup,
disconnect pickup from con-
trol unit and connect a high
impedance AC voltmeter to
the pickup output leads.
Crank engine but don’t
start. Voltage reading
should be a minimum of one
(1) volt. If no or low volt-
age is indicated, check
pickup adjustment.
If pickup is
properly adjusted and
voltage is still zero,
replace pickup.
D. Defective actuator
D. Apply 12-V DC to the two
actuator input leads. Actua-
tor lever should move im-
mediately to full speed po-
sition. If lever does not
move, replace actuator.
OM-2028
June 20/89 Revised
3-1
Page 13
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 ...
Страница 136: ...This page intentionally left blank OM 2028 4 3 May 1 91 Revised Page 10 ...
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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