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3 Fuels, coolants, lubricants, etc.
3.1 Diesel fuels
Diesel
fuels should meet the minimum
requirements
of
DIN
51601 or such inter-
natio
nal specificat ions
as
the
America
n
ASTM
D 975 No.
1-D
and No. 2-D as well as
W-F-800 a
DF-A, DF-1,
DF-2
and
the
British
B.S.
2869 A
1,
or even A
2 in cases of emer-
gency
.
All
branded
diesel
fuels commonly sold
in
Central Europe meet these
requirements.
Change
eng
ine
oil as under severe
operat ing
conditi
ons
if
diese
l
fuels are
used
whose
sulphur
content exceeds
0.5
% by
weight.
Marine diesel fuel,
heat-
ing
oil or the like must
not
be used.
When
fuel
is fi
lled
from
barrels,
it
should be
passed
trough
a
filter,
a
piece
of chamo is
leather
or
even
a clean flanne
l
cloth,
insert-
ed
into
the
filler
neck. The
suct ion
port
of
the
pump
must be protected by
a
fine-
meshed
stra iner. Always allow a gap
bet-
ween
the
end
of
the
suction
tube
and the
bottom
of
the
barrel
to prevent
deposits
(dirt
,
sludge, water)
from
being suc ked up.
If diesel fuel has
been
spilt,
the affected
spots
can
be
cleaned
by using
a
mixt ure of
25-50
%
vinegar
and
75-50 %
water
(depending
on
the degree
of contamina-
tion).
This
will
help to
get
rid
of
th
e offen-
sive odor.
40
Diesel fuels at extremely
low
temperatures
At very low temperatures
the flu1t11tyof d ie
sel fuel may
become
insufficient chm
to
paraffin separation
.
To
avoid malfu11ct1u11~.
diesel fuels of
a
lowered
c loud point
wo
marketed
durin
g
the cold
season
If winter
diesel
fuel
is
used,
there will hardly
be
any
malfunct ions
at ambient
tcmpt•1c1
lu
res reac hing
as low as
5°
F (
15'
C)
Varying with
the temp
erature add
II
ct•r
lain quantity of kerose
ne
'
if
only surnnwr
diesel fuels
or
less cold resistant winlt•1
diesel fuels
are available
or
11
tem
peratures
d rop below
5°
F
(-15° C)
Summer
Ambie
nt
temperat
ure
diesel fuel
OF
(0
C)
%
32to
14
(
0 to
-10)
70
14
to
5(-10to-15)
50
5 to
8(-15to-20)
- 4 to - 8 (-20
to
-22)
Should gasoline have to
be
added
in
case
of emorcwncy,
never exceed
a
proport ion
of 30 '"
Pre1111urn fuels must
not
be used.
C,.iut1011
I he lower
flash point
of the
supplPITlt mt.try
fuels
increases the
danger
of oxplos1om,
1 lw
CJ
11q11w
output
may
drop
accord
ing
to
tlw proportion of supp
lementary
fuel.
For
tlw,
w.1son,
keep percen
tage
of
fuel
,tcfcled
lo
the minimum
necessi
tated
by the
c1111IJ1Pnt
IPmperature
1
1
ho
11'1uof
korosuno ,n road vehicles
is
not permitted
111
orn11
0 r:ountruJs.
c
q
UK The refore consu lt the
11ut11or1
t11
1 :;1 lwforo t
uch
mixtures
are used.
Supp
lementary
Winter
Supplementary
fuel
diese
l
fuel
fuel
%
%
%
30
100
50
100
70
30
50
50
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