MTD OHV Series Manuale utente
jqa=mêçÇìÅíë=^âíáÉåÖÉëÉääëÅÜ~Ñí=√=p~~êÄêΩÅâÉå=√=dÉêã~åó
J15
FORM NO. 769-08890B
MTD OHV Series
4
11
19
27
35
43
51
58
65
72
79
87
96
104
112
119
126
134
141
148
155
162
171
179
188
197
206
213
221
English Operating manual for engine
4
Contents
Handling the document . . . . . . . . 4
Safe operating practices . . . . . . . 4
About the engine . . . . . . . . . . . . . 5
Operating instructions . . . . . . . . . 5
Maintenance . . . . . . . . . . . . . . . . 7
Cleaning the engine . . . . . . . . . . 9
Storage . . . . . . . . . . . . . . . . . . . . 9
Warranty . . . . . . . . . . . . . . . . . . . 9
Troubleshooting . . . . . . . . . . . . 10
Handling the document
As the user of this unit, read this
operating manual carefully before
using the unit for the first time. Then
comply with the operating manual
and keep it for subsequent use.
Never allow children or other people
who are not familiar with this
operating manual to use the unit.
This manual includes safety
instructions which
– point out dangers in connection
with the engine,
– indicate risks of injury,
– show how the risk of injury can be
avoided or reduced.
The safety instructions in this
manual are identified as follows:
a~åÖÉê>
aÉåçíÉë=áãéÉåÇáåÖ=Ç~åÖÉêK=kçåJ
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aÉåçíÉë=~=Ç~åÖÉêçìë=ëáíì~íáçåK=
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íç=éêçéÉêíóK
Important
Denotes application tips and
important information.
Specifications on the
engine housing
Fig. 8
These specifications are very
important for subsequent
identification when ordering spare
parts and for customer service.
Enter all engine specifications in
the box (Fig. 9).
Safe operating practices
Important
In general the term “unit” is used in
the following. The engine can be
installed in different units.
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!
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Operating manual for engine English
5
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Symbols on the unit
Safety instructions and warning
instructions, illustrated with symbols
or pictograms, can be found on the
engine. The symbols have the
following meanings:
Caution! Warning –
danger source.
Read operating
instructions before
starting the unit!
Warning – hot surface!
Warning – toxic
vapours!
Do not use the unit in
the rain!
Petrol is flammable!
Use unleaded fuel!
Always ensure that
these symbols on the unit are
legible.
About the engine
These operating instructions
describe different models.
The graphical representations may
differ in detail from the unit which
you purchased.
Compare Fig. 1with your unit and
make sure you know where the
different controls and regulators are
located.
Fig. 1
1Fuel cap
2Starter handle
3Oil filler cap/dip stick
4Engine cover
5Exhaust
6a) Spark plug
b) Spark plug terminal
7Primer (depending on model)
8Air filter
9On/Off switch (depending on
model)
10 Choke lever (depending on
model)
11 Fuel tap (depending on model)
Operating instructions
Checks to be carried out
before operating the unit
Recommended oil grades
`~ìíáçå>
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Before starting the engine, fill with
oil. Do not pour in too much oil.
The oil tank has a capacity of
approx. 0.6 litres.
Use only 4-stroke oil of classification
SF/SG/SH/SJ or higher.
Select the viscosity of the oil from
the following table depending on the
outside temperature:
a) Single viscosity
b) Multiple viscosity
SAE30 for Type A and SAE 10W-30
for Type B are recommended for
general use within the normal
temperature range.
!
!
!
!
!
!
-30º -20º
10w
20w
20
30
40
20w40, 20w50
15w40, 15w50
10w40
10w30
-10º 0º 10º 20º 30º40º
(ºC)
a
b
English Operating manual for engine
6
If oil with an individual viscosity is
used, a viscosity should be selected
from the table for the average
tempe-rature in the application area.
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Checking the oil level
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Fig. 2
Unscrew the oil filler cap (1) and
wipe the dip stick.
Insert the dip stick into the filler
neck.
Screw in one quarter turn.
Unscrew dipstick.
Pull out the dipstick and check the
oil level.
If the level is too low, slowly pour
in a little oil up to the upper “max”
mark on the dip stick.
Before starting the engine, firmly
screw in the dip stick.
`~ìíáçå>
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Recommended fuels
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Checking the petrol level
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Before removing the fuel cap and
refuelling, clean the area around
the filler neck.
Fill the tank until approx. 2 cm
below the rim of the filler neck to
allow the fuel to expand.
Starting the engine
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Note:
Some models have
– no choke and no primer:
The engine is automatically set to
the particular starting process.
– no throttle:
The speed is automatically set.
The engine always runs at
optimum speed.
Fig. 3
Preparing to start the engine
If the engine is cold:
Set throttle (1; if fitted) to
position .
or
Actuate the choke, i.e. pull out the
choke lever (10, Fig. 1; if fitted).
or
Press the primer (7, Fig. 1;
if fitted):
– at temperatures above 10 °C:
Press 1–3x
– at temperatures below 10 °C:
Press 3–5x
Note:
– When pressing the primer, cover
the vent hole on the primer button
with your finger.
– If the engine does not start,
actuate the primer again.
If the engine is warm:
Set throttle (1; if fitted) to
MAX/ .
Important
Even if the engine is warm, it may be
necessary
– to actuate the choke (if fitted)
or
– to actuate the primer (if fitted) 1x.
Starting with the hand starter
Open fuel tap (11, Fig. 1; if fitted).
Set On/Off switch on the engine
(9, Fig. 1; if available) to position
“On/I”.
Stand behind the unit, depress
the safety lever (2; if fitted) and
hold down against the handle.
Pull gently on the starter handle (3)
until it begins to resist. Then pull
quickly and forcefully to overcome
the compression and prevent
a backlash. If required, repeat.
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!
!
!
!
Operating manual for engine English
7
Starting with the electric
starter (depending on model)
Disconnect charger from power
supply and unit.
Open fuel tap (11, Fig. 1; if fitted).
Set On/Off switch on the engine
(9, Fig. 1; if available) to position
“On/I”.
Stand behind the unit, depress
the safety lever (2; if fitted) and
hold down against the handle.
Turn the key on the steering
handle (4) to the right and hold
until the engine starts.
– Start attempt maximum
5seconds.
– Wait 20 seconds before trying
again.
When the engine has started
Set throttle (if fitted) to the required
position:
= fast engine speed
= slow engine speed
Press in choke lever (10, Fig. 1; if
fitted) as soon as the engine has
warmed up.
Stopping the engine
Fig. 3
Release the safety lever (if fitted).
or
Set the throttle (if fitted) to
STOP/ .
or
Set On/Off switch on the engine
(9, Fig. 1; if available) to position
“Off/0”.
Close fuel tap (11, Fig. 1; if fitted).
Important
If you switch off or leave the unit,
remove ignition key (if fitted).
Maintenance
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To maintain a constantly high
power, it is essential to inspect and
re-adjust the engine on a regular
basis. Regular maintenance ensures
a long service life.
The required maintenance intervals
and the type of maintenance work to
be carried out are indicated in the
following table. The intervals
according to operating hours or
other times/dates should be
observed according to which occurs
first. If the engine is operated under
difficult conditions, more frequent
maintenance is required.
At the end of the season have the
unit inspected and serviced by
a specialist company.
Maintenance schedule
!
Maintenance work
After the first
5 operating
hours
Before each
use or every
5hours
Once a season
or every
25 hours
Once a season
or every
50 hours
Once a season
or every
100 hours
Clean engine cover
Check engine oil
Change engine oil
1)
Check air filter
Service air filter 2)
Check spark plugs
Service spark plugs
Change fuel filter
Clean/change activated-
carbon filter 2)
Clean exhaust area
1) If a heavy load or at high ambient temperatures.
2) If operating the unit in a dusty environment, clean more frequently.
Altri manuali per OHV Series
5
Indice
Altri manuali MTD Motore
