180
OILING SYSTEM
COMPONENTS
Code 32
A constantly closed oil pressure switch (
EMM
does not detect oil pressure changes for 255
cycles) activates service code 32 and the
EMM
:
Electrical Circuit (55 V)
The oil injector is powered by the 55 V electrical
circuit. The
EMM
controls injection pump opera-
tion by opening and closing the circuit’s ground.
Circuit components:
•
EMM
, injector control function
•
55 V electrical system: stator,
EMM
•
Main wire harness
•
EMM
injector ground circuits
Refer to
Oiling System Electrical Diagram
on
p. 181.
Service Code 34
The
EMM
monitors the oil injection pump’s electri-
cal circuit. If circuit voltage is beyond the specified
range, the
EMM
:
SystemCheck
LOW and NO OIL
Warning Signals
LOW OIL Warning
A sending unit of the oil injection pump and mani-
fold assembly monitors the oil level in the tank.
This sending unit is designed to activate the
Sys-
temCheck
“LOW OIL” light when the oil level falls
below one-quarter capacity.
Approximate oil reserve at Low Oil activation:
•
75 – 90 HP models – 0.61 qt. (0.57 l)
IMPORTANT:
This warning circuit does NOT
interact with the
EMM
. If the oil tank is run out of
oil, the
EMM
will react to the oil pressure switch
input, initiate
S.A.F.E.
and activate the
System-
Check
“NO OIL” light.
NO OIL Warning
The
EMM
monitors the electrical circuit of the oil
pressure switch. If the switch or circuit fails or if
there is a lack of oil pressure in the oil distribution
manifold, the
EMM
initiates
EMM
NO OIL / OVER-
HEAT LED and/or the
SystemCheck
“NO OIL”
light.
Refer to
External Sensors
on p. 88.
Initiates
EMM
LED: “SENSOR FAULT”
Stores a service code 32
Activates
S.A.F.E.
Stores a service code 34
Initiates
EMM
NO OIL / OVERHEAT LED
Initiates the
SystemCheck
NO OIL light
Stored Faults Review Screen
005143
SystemCheck
2 in. Gauge
DR5206
Содержание E-tec 75 HP
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