Yanmar BY series Spezifikationen Seite 105

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Seitenansicht 104
TROUBLESHOOTING
98 BY Series Operation Manual
TROUBLESHOOTING CHART
Starting Trouble
Exhaust Color
Problem / Symptom Cause Action
Engine Will Not Crank
Discharged battery Charge / replace battery
Blown fuse Replace fuse
Defective starter motor
See your authorized Yanmar dealer
or distributor
Loose wiring connections Tighten connections
Electrical panel power circuit
breaker is tripped
Reset circuit breaker
Engine Cranks but Will Not Start
No fuel to engine
Check fuel level in tank
See your authorized Yanmar dealer
or distributor
No fuel to cylinders
Clean or replace clogged pre-filter (if
equipped)
Check fuel filter / water separator
Clean or replace clogged fuel fine
filter
Bleed air from fuel system
Replace blown fuse (F3)
See your authorized Yanmar dealer
or distributor
Low ambient temperature
See your authorized Yanmar dealer
or distributor
Oil high
Replace with correct viscosity oil for
operating conditions
Problem / Symptom Cause Action
White Smoke
Cold engine
Allow engine to warm to operating
temperature
See your authorized Yanmar dealer
or distributor
Incorrect fuel Replace fuel with correct type
Defective (leaking) fuel injector
See your authorized Yanmar dealer
or distributor
Injection timing is incorrect
White Smoke with Water Vapor
Leaking cylinder head gasket
See your authorized Yanmar dealer
or distributor
Leaking charge air cooler
Cracked cylinder head
Cracked cylinder
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