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R U G G E R I N I
M O T O R I
sured In Litrelhour lt 1s then necessary to
multiply by 0,820 whlch 1s the unlt welght
of the fuel
oil.
In case one or more trlals show that the
englne 1s not correctly coupled to the
machlne do noi> inslst tu work wlth the
englne In suoh a condltlon. Check tha
reasons.
In case the englne 1s drlven by belts, the
pulley of the englne
m u s t
be smaller then
the one mounted un the machlne.
In case of dlrect coupllng ask the machl-
ne
manufacturer for a reductlon of the
absorbing power, or ask the company far
a more powerful englne.
F U E L
Fuel must be good quallty diesel oil.
Use
good quallty fuels tu get longer life
for the.nozzles, fuel pumps, cylinders and
plston rlngs.
Only the buylng a known diesel oil as-
The suggested perlod ?or the decantatlon
1s
of
8
days furthermore untill the drum
1s not emptled, no fuel must be added.
The manufactures refuse any responsa-
bllity for any eventual troubles to the
fuel pump. and
i o
the injectors lf the cau-
ses derive from the uslng of dlesel 011
not filtred and decanted.
Furthermore on the englnes one musi al-
ways mount the relative fllters and fllta-
ring cartrldges supplled by the company.
The rusting of the pumpers from the
Inlectlon pump indlcates that in the dle-
se1 oiI there 1 s water that glves many da-
mages t o the engine.
LUERICANT OIL
The quallty and type of the 011 i s Impor-
tant and have a fundamental working fo'r
the duratlon the engine.
The best guarantee about the.quallty 1s
given by the name of the lubrlcant ma-
ker.
You
can find the exact type of
oil
that you must use during the guarantee
period of the engine, wrlte In target ap-
palnted on
li.
Thls does not means that the clients. when
the guarantee period is over. cannot use
other type of 011s as long as they are of
good quallty.
However indlpendently from the maker the
oil
must be the rlght type for the dle-
siel engine, therefore
it must include the
necessary contents used In order to neu-
trllize the damaglng effects of the sulphur.
[that are always found as lmpurities in
the diesel
oill.
Use
un the englne, lubrlcant oii with de-
tergent degree
53
just made for diesel
engines.
We advise the followlqg oil brands:
Essolube D-3
Agip F1 Slgma
We quote the following vlscosity index
prescribed wlth these emblent tempera-
tures
from
- 2 5
tu 0°C SAE iOW oil
from
O to 1S'C
SAE 2OW oil
from
+
15 tu 30°C SAE
30
011
from
+
30
t o
'50°C SAE 40
oil
over 50°C
SAE
50
0 1 1
REMEMBER THAT
in a cold d i m a t e wlth temperature below
zero "C the use of 011 with viscoslty SAE
10 1s lndlspensable. if you have in a en-
glne a more vlscous 011 you are not able
to start the englne with hand rope. end
lt
1s also very difflcult
i o
start the engine
wlth electrlc stgting.
RUNNING-IN
The engine llfe and the efflclency of
it
depends mainly un the runnlng
-
in of
it
Durlng the flrst
50
hours. do not-exceed
the
50%
If li's maxlmum load and
2/3
of
the maxlmum stated r.p.m.
Before loadlng or stopping the englne we
recommend tu l e i lt run about
5
mlnutes
a ! idle speed.
INCTRUCTION FOR CTARTING THE
ENGINE
Purging
the fuei
injection
and fuel feeding
system:
These operations must be performed when
there
1s
air In the injection clrcuit.
Air is usually sucked whan the engine
stops due t u fuei exhaustion.
We recommend always tu keep a reaso-
nable amount of fuel in the tank. Please
take lnto conslderation that t u prevent
forelgn bodles or dlrt whlch lay on the
bottom of the tank
t o
entre the injection
system: the Intake tube must sUck fuel
a i a dlstance of about half an lnch appro-
xlmately
t u
the bottom.
Pag.
23
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