Engine Specifications; Operating The Engine - MTD FH381V Manual

Operating manual for FH381V/FH430V
– draw your attention to dangers
connected with the engine,
– emphasise risks of injury,
– indicate how the risk of injury can
be prevented or reduced.
The safety instructions in this
manual are indicated as follows:
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Important characters used in this
manual:
1 – 9 designates the diagrams on
the cover pages
A – Z designates parts/
procedures/operating steps
in diagrams and in the text
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Engine specifications

Important engine components
(Fig. 1/ diagram page 1)
A Dipstick/refill opening
B Oil filter
C Oil drain plug
D Air filter/carburettor
E Control panel
F Spark plug terminal/spark plug
G Air intake grille
H Fan housing
I Electric starter
J Governor
K Fuel pump
L Fuel line
M Fuel filter
N Rating plate
The rating plate includes the
serial number of the engine installed
in your unit. This number is
important when ordering spare parts
from your dealer.
Technical specifications
Model Air-cooled 2-cyl.
4-stroke petrol
engine, V-Twin,
OHV
Bore x stroke 65 x 65 mm
Engine 431 cm
capacity
Ignition Electronic
Start system E-start
Dry weight 31,7 kg
Engine oil 1,5 l (1,7 l
according to oil
filter change)
Valve play Inlet
0,10–0,15 mm
Outlet
0,10–0,15 mm
Spark plug Champion RCJ8Y
Electrode gap 0,75 mm

Operating the engine

Operating consumables
Fuel
6MWO SJ IRKMRI HEQEKI
Do not mix fuel and oil.
Use clean, fresh and unleaded
fuel only.
Use fuel with an octane number
of 87 or higher only.
Stock fuel only in quantities which
can be used within 30 days.
Oil
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Use stipulated oil grades only.
Use oils of classification SF/SG/SH/
SJ or higher only.
Select the viscosity of the oil
depending on the outside
temperature from the following
table:
3
Preparing to start the unit
Fill up with fuel
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See relevant unit manual for filling up
the unit.
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Checking the oil level
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Place the unit on a level surface.
Clean the area around the refill
opening (B/Fig. 2).
Pull out the dipstick (A/Fig. 2) and
wipe with a clean rag.
Re-insert the dipstick. Do not
screw in!
Re-insert the dipstick and check
the oil level:
– The oil level must be between
the "ADD" and "FULL" marks.
English
7