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heated and damaged.
Well water, spring
~ater
or other hard water of containing
much minerals should be softened before using. Anyone of the fol-
lowing methods may be adopted for this purpose.
(1
)Boiling and settling it.
(2)Put 6. 6 grams 'of caustic
~oda
(NAOH) into ev.ery 10 litres
of water, then settle and fi1 trate the wa ter before,. using.
(3) Add 2. grams of lime (CaO ) and then 1 Ogr;amsof soda
Na2:C03"
to every to every 100 litres of water
to
or a water solution
(The lime should be previously soaked thoroughly and filtrated be-
fore being poured into the hard. water).
2. Preparations Before "Starting The Engine
1)
The engine should be thoroughly checked before starting.
Pay close attention to se.e· whether the foundation bolts and the
copnecti9n with the driven equipment are rigid and reliable ,and
~hether.
all the transmission parts and the control systems are sen-
sitiye and so on. The engine- should not be started unless every-
thi~g
is
all
r i g h t . . -
" 2 )Check and replenish the oil sump and injection pump with
·lubricatingoilJ
fill
up c.ooling water
and
diesel
fuel
t
open the cock
of
the
fuel tank to c·heck
the fuel system:
for
leakage
and
eliminate
it .
if
th¢re . . . is.
any•
, '$,)
Vent
the aIr out of
fuel
system step
by
step, It is
recommened to adopt the following procedure:
At£irst,lQoseQ. the venting plug on
the 'fuel filter,
pump the
f~lel-withthe
priming
hand
pump toexpelthetrappedai:r:outof:the
fuel passage between the fuel tank and the filter tand then slacken
the venting screw on the injection pump until the
fuel
flows'out
without bubbles.
86
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