SA221/324/424 Operation Manual
2. Electrical System
There is black smoke
coming from the
engine
1. A problem in the fuel
1. Fuel system
• Check whether the specification of
the fuel used is correct.
• use correct fuel specification
• Check whether the air filter is
clogged.
• replace the air filter
• Check whether there is water in the
sediment bowl.
• remove the water and clean the
sediment bowl
• Check whether the fuel nozzles are
faulty.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
• Check whether the fuel injection
pump is out of timing.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
2. A problem in the cooling
2. Cooling system
• Check whether the air intake system
is clogged.
• clean the air intake system
3. A problem in the lubrication
3. Lubrication system
• Check whether the engine oil level is
correct.
• drain the engine oil to the specified
level
4. A problem in the engine mechanical
4.Engine mechanical system
• Check whether the valve clearance is
correct.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
The problem is:
The possible cause(s) are:
Remedy:
The Alternator/
Battery Charging
Light remains
illuminated even
though the engine is
running
1. A problem in the charging system
1. Charging systems
• Check whether the alternator/fan belt
is loose or faulty.
• adjust or replace the alternator/fan
belt
• Check whether the fuse/s is/are
blown.
• replace the blown fuses
• Check whether the alternator is
faulty.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
2. A problem in the battery
2. Battery
• Check whether the battery is faulty.
• replace the battery
3. A problem in the engine mechanical
3. Engine mechanical system
• Check whether the engine idle speed
is too low.
• adjust engine idle speed
The problem is:
The possible cause(s) are:
Remedy:
SA221_324_424_OperatorsManual.book 8 ページ 2018年6月4日 月曜日 午後5時19分