15. SERVICE THE ELECTRICAL SYSTEM
Lx410/450/490 Operator's Manual
1. Park the abled tractor close enough besides the
disabled tractor.
2. Raise the hood of the disabled and abled tractors.
3. Connect one end of the positive (+) booster cable
to the positive (+) post of booster battery.
4. Connect the other end of positive (+) booster
cable to the positive (+) battery terminal on the
disabled tractor.
5. Connect one end of the negative (–) booster
cable to the negative (–) post of booster battery.
6. Connect the other end of the negative (–) booster
cable to the engine block of the disabled tractor.
7. Start the engine of the abled tractor.
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
Tractor" on page 1-7.
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 its 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
(a) Fuel pump fuse: 5A
(b) Engine fuse: 5A
(c) Accessories fuse: 15A
(d) Headlight fuse: 20A
(e) Work light fuse: 15A
(f) Starter fuse: 5A
(g) Warning light fuse: 15A
(h) Memory fuse: 5A
(i) Meter fuse: 5A
(j) Switch fuse: 5A
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.
450140933
(A)
1a8275-65440
(g)
(h)
(i)
(j)
(f)
(e)
(d)
(c)
(b)
(a)
