"CRUSADER
250," "250
CLIPPER"
AND
"CRUSADER
SPORTS"
200
miles might
stand full throttle for half a mile
and
yet pull
up
if
driven
at
three-quarter throttle for five
miles
or
so.
If
the engine
is
run
tao
long on a large throttle
opening
and
shows the slightest tendency
to
pull
up
or
seize, lift the clutch
and
close the throttle. Even
if
a
seizure then occurs it will
do
little or
no
damage
and
after cooling for a minute
or
two the piston will free
itself.
If
a seizure does occur, the piston should be
examined by a competent mechanic
to
have any high
spots eased down.
LUBRICATION
7 Lubrication of the Engine.
The
lubrication is on
the dry
sump
system, incorporating a duplex pump, a
large, felt filter and
an
oil reservoir cast integrally with
the crankcase.
The
delivery
pump
supplies oil
ta
the big-end
and
piston, having first passed it through the felt filter.
From
the sump, the return
pump
picks
up
the oil
and returns it
ta
the reservoir,
but
a by-pass. controlled
by a ball valve, leads some of this oil through an external
pipe
to
the rocker gear.
From
here, oil finds its way
down the
pUsh
rad
tubes to the camshaft housing
from whence it passes into the primary chaincase and
then
back
into the sump.
8
LUBRICATION
ROUTINE
FOR
'l'HE
ENGINE
Never allow the oil
tank
to become empty. Since there
is
no
reserve of oil in the sump,
an
empty tank means
immediate shortage of oil to the working parts.
The
oil
Ievel should be kept well above the
bottom
of the
dip-
stick
attached
to
the filler cap. By keeping a large
quantity of oil in circulation, its temperature
is
kept low,
and the oil retains its lubricating qualities for long
periods.
Do
not, however, fill the tank above the oil
retum
plug,
or
oil may escape past the
tiller
cap.
If
difficulty
is
experienced in obtaining the grades
recom-
mended for hot climates
or
summer
use,
the
alternatives
for winter use
or
cold climates
can
be used. These fiow
freely when cold and
at
the same time have adequate
9
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