The sun. [volume] (New York [N.Y.]) 1833-1916, 1916-03-19

N-ConneCting rod.
pump. which sucks oil from, the lower
reservoir ~ the crank case and forces II
through the PIPE "K" into the upper
reservoir. \ constant level Ia main
tanned IN the upper section by means Of
overflow ~. ~" AZ this point the
oil In overlooking returns 10 its original
place. Al point Fl" Is a filter. or screen.
which prevents any foreign particles
from c,ogriu. the OH pipes or interior
NIX with the rrorer functioning Of oil
pump. II ~ advisable TO clean this
screen occasionally. ordinarily there Is
a sight gauge Ia plain view Of the oper-
ator. attached IN circuit with pump
which serves az a tell tale as to
, whether the OIL is circulating ana pump
! working.
From previous explanation Of the
workings 81 the connecting rod and pis-
ton We are aware that the connecting
rod Al point ~" travels IN a circle. de-
l~iverlug rotary motion Ia the crankshaf
and also that piston 81" travels up AMI
down against tn. cylinder wallis M"
L, Is obvious that OIL dipper III" at
tach-i 10 III" connecting rod. must pick
up and splash the oil IN and about all
the working parts as the connecting rod
rotatrs. In this manner the cylinder
walls M, WRIST pin bearing M" alve
push rod rollers 90" cams "P." together
with all the cam shaft bearings and
other paris. must Ice thoroughly lubri-
Gated by the spray Of oil.
At point - will be noticed an oil
duct. winch leads the lubricant directly
20 the centre 81 the connecting rod bear
ing. From this point II II distributed
about the bearing by means Of oil
grooves in the bearing -"
Likewise. at " VIII b. noted piston
rings, whloh serve not only to retain and
increase compression in the compression
chamber "" but also prevent surplus
oil from working into the compression
chamhcr from tho crank case. Most
every operator is more or less familiar
with ctrbOu!zcd cylinders caused by
using too much oil. This is evidenced by
blue smukc At the exhaust.
There are many motors using this
simple and effective form Of fabrication.
and IN addition employ other means To
insure proper luhrlcation Of the main
hearing surfaces For instance, addi-
;ioual oil pipes are led to tho main
bearing surfaces, which are flushed with
uil by means Of the force feed pump A..
the same oil returning to the main reser-
voir FOR further distribution.
II Ia well to note. in closing. that a
little care must be exercised to install
clean oil. Tho oil filler pipe il usually
NANi Il FNl''lI "'ll'I II'N nv
foreign matter from entering. In many
cases this is absent. Particles OF lint
or dirt will soon clog the oil screen and
prevent circulation. As a result the
bearing surfaces set up friction. induc-
ing heat and possible seizure Of the
parts in contact, This may result m
scored cylinder walls and bearings. Ar
exper enred operator, IN such an event
may detect from a sluggish motor lack
OF propc fabrication. The novice. how.
ever, usually forces the motor until II
stops, 10y which time serious damage ha.
resulted.
Since the oil il used over and over II
Is well Ia install a complete fresh sup,
ply occasionally. The correct oil level
as determined by the manufacturer. vii
be indicated hy the oil gauge or float
Observe this frequently and use the be-
grade ~ oil Make sure that oil pun,
functions AT all times during running @
motor and that oil is circulating.
With reasonable observance OF thes,
rules one should experience little or u,
d iNiculty with the lubricating system a
designed IN III" modern type motor.