Entec EW-4200D Інструкція з експлуатації Посібник з експлуатації - Сторінка 8
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System Descriptions
ENGINE CONTROL SYSTEM (cont.)
Fuel Control Valve. The Fuel Control Valve (6/18) is mounted
on the Fuel Injection Pump. It is normally de-energized. In the
de-energized position, the high pressure output from the Injec-
tion Pump is bypassed into the fuel return line. The injector does
not receive fuel.
Off/Run/Start Switch.
+12 volts is taken from the
starter post, through the
wiring harness (red wire),
and applied to the terminals
of the Off/Run/Start switch
located on the control panel.
Run Position. When the
Off/Run/Start switch is
moved to the Run position,
+12 volts is applied back
through the harness (green
wire) to one side of the
water temperature switch.
This switch is normally
closed, so the +12 volts will
pass through the switch to
the exhaust temperature
switch, and also through the
harness (brown wire) to the
water lamp. The water lamp
will illuminate because the
engine coolant temperature
is below 185 degrees F.
Since the exhaust tempera-
ture switch is also closed,
the +12 volts goes to the oil
pressure switch, and also through the harness (orange wire) to
the exhaust lamp. The exhaust lamp will illuminate because the
exhaust temperature is also below 185 degrees F. The oil pres-
sure switch is normally open, so the +12 volts will stop at this
point with the two lamps illuminated.
8
Panel Harness
547-06-13
Off/Run/Start Switch
547-644H
L
Water
547-50-03
L
Exhaust
547-50-03
16710 SW 72nd • Portland, Oregon 97224 • (503) 624-7118
Fuel Control Valve
Engine Harness
Extension Harness
547-47-01
547-06-12
#87
#30
White
#86
#85
Start Relay
547-66-200
Red
Start Motor
547-3681
Green
Brown
Orange
Blue
L
Oil
547-50-03
HourMeter
555-T4-1E45
EW-4200D
+12 Volts
from Battery
#4 Gauge Min.
White
Water Temp
555-00-53
Exhaust Temp
555-00-54
Oil Press
237-40-07
Fuel Control
Valve
257-04-82
Black
Entec West, Inc.