Air Filter - Ruggerini RD Serie Manual De Instrucciones

R U G G E R I N I M O T O R I
31 Change the oli every
100
working hours
provide t o
fill
the 011 sump with the
proper ai1 viscosity grade.
41 Every two oil
changes clear carefully
oli filter cartridge with petrol or ke-
rosene
[ili.
71.
5) Every
5-6
changes, clean the
o 1 1
sump
with kerosene or fuei oil.
FUEL
Every
200
working hours, change fuel
fil-
t e r cartridge using a generai purpose tuo1
as shown in Fig.
E.
After reassembling
the new cartridge, contro1 no
fuei
leaka-
ge there i s from collectors. and bleed as
described at page 24.
AIR FILTER
Gaod air filtering is essential for long en-
gine life
so
that one must clean the filter
very ofien.
The engine 1 s fitted with an overdimen-
sional alr filter
but
the frequency of the
cleaning operation depends by the condl-
tions where the engine
i s
used.
We advise. check
oil
fllter as frequently
as oossible.
Do 8s follows:
Release retaining spring
[iII.
9-10
n. 71 t o
deassemble the filtering body N. 5 and the
oli level sump n. 6.
Wash filtering body by shaking it in fuel
- ,
.
Reassemble.
Sometimes in very dusty condition two fil-
ters are needed.
Undér this circumsi'ance please ask far in-
formation our company.
Clean
the
cyllnder and cylinder head fins
every
300
hours using an iron brush.
ADJUCTMENT OF ROCKER ARMC
CLEARANCE
Check frequently the clearance between
tappets and valves because an excessive
clearance will cause nolseànd in the long
run breakage of the valve
is
iikeiy tu
occur. Tu adjust clearance do as follow-
ing:
11 Remove racket arm cover
[ill.
3 n. 11.
21 Turn flywheel unti1 the compressiun
stroke starts.
31 Check clearance and lf necessary a-
djust same [screwing or unscrewing
the tappet adjustment screwl un the
bases of the foilowing clearance.
INLET: 0.10 mm.
OUTLET:
0.15 mm.
Then iock the stop nut.
41 Maunt the racket arm cap checklng
that the gasket
is in
gaod conditiun.
CHECKING AND CLEANING
OF
NOZZLEC
Fig. 14 shows the nozzle and nozzle holder.
Periodica1 checks are necessary in order
tu:
a l restare the static pressure
if
this has
fallen below the specification level of
210
kg/cm.' This is done by insertlng
washers of suitable thickness under
the spring.
bl Clean the four holes of the nozzle,
which tend t u clog. using a fine steel
wire with
a
diameter of 0.28 mm.
CI
Clean out the nozzle nose duct using
a piece of brass wire [diameter 2
mm.1
rounded at the t i p and with a
semi-
circular section, llke a small spatula
Inail-shapedl.
Never use cutting or hard tools or
emery papers
t u
clean the noules.
After about every 100 working hours ta-
ke of the breather valve fram the
011
intro-
ducer
[iII. 3 n. 11
and unwind the supe-
rior stopping disc.
ill.
il.
Clean carefully with fuel
oil
or kerosene
the tap and membrane.
/Il.
12.
Take care in the remounting that the
membrane is turned upwards.
ill.
13.
DICACCEMBLY AND OVERHAULING
TIMING
Particular care
must be
taken when as-
sembling gears. as they must be positio-
ned according
t u
the timing of the en-
gine; for this purpose each gear 1s pro-
vided with marks which must correspond
tu
those of the a posite gear as shawn
in the
/Il.
15 N. 5 f i .
CHECKING THE TIME
OF
ADVANCE AND
THE TIME OF INJECTION
in the upper part of the conveyor there
is engraved une mark PMS other two
marks IP and PMS are un the flywheel.
When the PMS Corresponds
tu
that
of
the conveyor the piston 1 s at TDC.
When mark
1
corresponds tu that une of
tiie flywheel housing. the
pump
must start
. .
tu inject.
i l
Unscrew the delivery pipe. fltting
iill..
16 N. 131 and remove delivery
vai-.
ve [N. 91 [except the seatl and re-
Pag. 25