15. SERVICE THE ELECTRICAL SYSTEM
SA221/324/424 Operation Manual
8. Start the engine of the disabled tractor.
9. Run the engine of both disabled and abled
tractors for several minutes.
10.Check the alternator/battery charging light of the
disabled tractor.
11.Carefully disconnect the booster cables:
• Perform the disconnection of the booster cables
from the abled and disabled tractors by doing the
reverse of the preceding procedure.
• Make sure to disconnect the negative (–)
booster cable first before the positive (+) booster
cable.
12.Keep running the engine of the disabled tractor
for not less than 10 min.
■
Replace the Accessory Fuses
1. Park the tractor safely and securely.
• For details, see "7. Safe Practices for Parking the
2. Shut off the engine.
3. Chock all the tires safely and securely.
4. Allow the engine to cool down for several
minutes.
5. Raise the hood.
6. Grip both ends of the fuse holder cover and
remove the cover.
7. Locate the fuses, refer to the illustration shown.
8. Remove the blown fuse from the socket.
9. Check and fix the problem of the blown fuse.
10.Insert the new fuse into the socket.
11.Install the fuse holder cover.
12.Lower the hood.
(A) Fuse holder cover
(1) Memory fuse: 5A
(2) Fuel pump/Warning light fuse: 15A
(3) Hazard fuse: 10A
(4) Starter fuse: 5A
(5) Engine Fuse: 10A
(6) Head light/Tail light fuse: 25A
(7) Accessories fuse: 15A
■
Check the Alternator Fuse and the
Main Fuse
1. Park the tractor safely and securely.
• For details, see "7. Safe Practices for Parking the
2. Shut off the engine.
3. Chock all the tires safely and securely.
4. Allow the engine to cool down for several
minutes.
5. Raise the hood.
6. Locate the fuses, refer to the illustration shown.
7. Check the fuses.
IMPORTANT
●
If alternator/battery charging light illuminates:
• shut off the engine of the disabled tractor
• contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance
2. Fuses
IMPORTANT
●
Use of a fuse other than a correctly rated one can
damage the electrical system.
●
Replace blown fuse with a new fuse of the same
ampere rating only after fixing the problem.
(A)
ENGINE
10A
HL+TL
25A
ACC
15A
MEMORY
5A
15A
PULLER
5A
10A
HAZARD
10A
START
5A
25A
FL+WA
15A
1A8330-65780
(1)
(2)
(3)
(4)
(5)
(6)
(7)
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