Nilfisk-Advance Advance Retriever 2060 Service Manual page 162

' , $ * 1 2 6 7 , & 3 5 2 & ( ' 8 5 ( 6
level ?
Replace or fill tank ?
Secondary regulator
Pressure 24 psi
Static ?
NO
Primary regulator
Pressure 28 psi
Static ?
Adjust pressure
or
replace regulator
ZENITH FUEL SYSTEMS,
YES
Fuel
NO
YES
YES
NO
NO
( Q J L Q H U X Q V O R Z S R Z H U O H D Q R U P L V I L U H V ² / 3 *
Tank oriented in
correct position ?
YES
Service valve on
liquid withdrawal
side of tank?
YES
YES
Regulator
freeze-up?
NO
Fuel pressure
OK ?
YES
YES
Check vacuum leaks:
Intake manifold
Throttle adapter
Throttle body
PCV valve
OK
Continued
NO
Orientate tank for
liquid withdrawal
NO
Change tanks
Engine coolant
level and
circulation ?
YES
Check restriction
filter or lock-off
NO
Repair
charging
system
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