Cooling System - Weifang 495 Operation And Maintenance Manual

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g. Install the filter c.asing. Because there
iSilO
oil pressure
~Nithin
it, trie cap
UtIt
should not be over
tightened.
1.£
the oil inlet pressure is no·rmal,8 correctly asserflbled rotor
should be
able
to
rotate by itself
for 1- 2
minutes under the action
of its
inertia~
Therefore ,after the engine stops, a speciata<:\d even '
sound can be heard
if
sound or it lasts for very s}lort time, that in-
dicates ·the rotor assembly workirlg abnormally either not runrling
or runnirlg at very
low
speed.
6. Cooling System
The cooling systern consists of the radiator (or cooling pool)
~
vvater pump,fan,thermostat,cowling,water inlet and outlet hose,
etc. as shown in
Fig~
29.
6
_3_
I
Lc[_
u
_ _
J"----'"
14
r
Fig. 29 Layout of cooling system
]--Water pump inlet rubber hose;2-Fan;3-·-Water pump; 4--· -Radiator;
S---Co1Nling;6-Bypass rubber hose;7--Engine water outlet rubber hose; 8-·-
68

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