Shibaura ST330, Workshop Manual

Page: 194 / 250

183
1. INTRODUTION
Reference F igure 517Y.
Component Locatio n a nd Functio n
1) Battery － Lo cated under the engin e
cov er, on th e front axle support.
2) F usible Link
－
L
o cated on the left sid e
of the en gine, n ear th e starter. The
fusib le link pro tects the entire
electrical system from damage du e to
excessiv e cu rrent flow.
3) K ey Sw itch
－
Located on th e ri ght sid e
of the dash board . T h e key switch is
used switch battery power on or off to
the tractor ’s electronic circu its,
supp lies po wer to the eng ine g low plu gs,
or to start the tractor.
4) Sa fety Start Sw itches
－
The tracto r
utilizes tw o o r three safety start
switches. " A", is on the tracto r rear
transmission shifter sy stem and
prev ents th e tracto r fro m starting when
rang e ch ange lev er is "ON" positio n.
"B" is lo cated on th e PTO control
shifter sy stem and prevents the tractor
from starting if the PTO is engaged . "C"
is located on the Mid PTO chang e lever
link age and preven ts th e tracto r from
starting if the Mid PTO is eng aged.
5) F use Blocks
－
Located in the engin e
comp artment, on th e left sid e of the
firew all and two add itional fu se blocks
are attached to near the h ead lamp
inside the en gine hood. The fuse blocks
hold fuses that protect individual
circu its from damage d ue to excessiv e
curren t.
6) Relay for Safety Start
－
Located
back side of th e bo ttom f use b lo ck , the
relay utilized by indiv idual circuit o f
the starting sy stem.
7) D io de for Brake Switch
－
Located
under th e instrument p anel, is attached
to the tractor's main wiring h arness.
8) R elay fo r Glow La mp － Located
back side of the top fuse b lock , the relay
utilized by individual circu it of th e
glow lamp sy stem.
3
－
10 Electric Unit and Accessories