Operation Manual

Diesel fuel flow sensor kit Installation and Operation Manual
7
NAVMAN
1-2 A typical system
Tachometer cable
Supply fuel line
Primary
filter
Return fuel line
Link cable
Diesel
engine
Supply
flow
sensor
Diesel
tank
Return
flow
sensor
Sensor cable
Tachometer
pickup
Display unit,
such as a
DIESEL 3200
Other connector(s)
Other wiring and
connection to sensors on
a second engine (optional)
These parts are included
in a diesel flow sensor kit
A diesel flow sensor
1-3 The bypass valve
Each flow sensor is fitted with a bypass
valve:
Fuel inlet / outlet port
Bypass valve (see below)
Two electrical connectors
(underneath)
Fuel inlet / outlet port
Mounting bracket
Bypass valve
Normal position, fuel
flows through sensor
Bypass valve
Bypass position, fuel flows
directly from the sensor inlet
to the outlet and does not
pass through the sensor
- bypass the sensor if you
suspect the sensor is not
working properly
Identification band:
Blue: Supply line sensor
Red: Return line sensor
LED, blinks when fuel is passing
through sensor (underneath)