Yanmar YSE8 - Fuel and Lubricating Oils

5.
FUEL AND LUBRICATING OILS
To the engine, fuel oil is food and lubricating oil is
blood. Mis-handling
might cause
unexpected
engine
trouble.
The
efficiency of the Yanmar engine
will depend upon
strict
adherence to these instructions and recommendati
ons,
It
is the salesman's or serviceman's
duty
and
mission to urge the user
to follow them.
5.1 FuelOils
5.1.!
Propertyroquirsmsnts
il\ IIidh.afanp Tqfind
fl
loor
ignitability of
fuel
oil
results in a ignition lag,
causing difficult starting
or
\l knockine.
I"
(2) Low
sulphur
content
Sulphur contained iD fuel oil when burned is combined
witi water to
produce
sulphuric acid v,/hich
corrodes
metallic
parts,
(3) No dust or moisture content
Dust and
moisture contained in fuel oil can cause
faster wear or sticking
of
the
plunger
of fuel injection
pump
and injection
nozzle.
(4)
Appropdate viscosity
Fuel viscosity has a relation to the condition of injection, It
should be such that the
pluoger
and the nozzle valve will be
properly
lubricated.
5.r.2 R*mmend
b.ands
Suppl ie.
BraIto
SHELL
Shell
Diesoline
(or
local equivalent)
CALTEX
Caltex
Diesel
Oil
MOBIL
Mobil Diesel
oil
ESSO
Esso
Diesel
Oil
B. P.
(British
Petroleum)
B. P. Diesel
OiI
Lubricating Oils
5.2.1 Functions
(1) Lubrication--reduces
friction and wear
ou sliding surfaces.
(2)
Cooling--carries
away
combustion and {riction
heat.
,7
.,n