User Manual

AREA
TEMPERATURE( OC)
OIL BRAND
Winter In.Cold Area All Year In Common Area Summer In The South
- 5 - - 15 0 - 30 > 30
20W/40 30 40
The lubricating oil must be filtered before it is filled into diesel engine, other brand lu-
bricating oil is forbidden to be used for engine so as to protect the parts such as
bearing and piston ring from being darmaged.
2.3 Cooling Water
The diesel engine should adopt clear soft water such as tap water, rain water and riv-
er water ,etc .. If hard water is adopted such as well water and spring water which
contains much more minerals, the hard water should be softened, of there will be
scale on the water passage of the engine and block the water, weaken the cooling
effect and recult in the engine too hot.
One of below methods can be used to soften water:
( 1) boiled, precipitated and filtered before used.
(2) Fill 20g Na
3
P0
3
on each 10kg water, precipitated and piston ring fom being dam-
aged.
When the temperature is below O°C ,antifreeze mixture can be used for cooling me-
dium. The antifreeze mixture can be mixed with water and alcohol according to the
below ratio.
Volume ratio of antifreeze mixture( 0/0) Ice point of antifreeze mixtureOC
denatured alcohol water alcohol
water
90
80
70
60
50
alcohol
10
20
30
40
50
-3
-7
-12
-19
-28
-5
.. 12
-19
-29
-50
When compound and fill the a.ntifreeze mixtrue ,-pay attention to:
( 1) The antifrezed mixture is poisonous, never drink it.
• 45 •