Weifang 495 - Constructional Features

Chapter IX. Model 495G Stationary Diesel Engine
1. Constructional Features
Model 495G diesel engine is formed by adding the clutch and
power take -off assembly to the basic version of model 495. It is
an independent diesel power unit provided with the baseframe ,fuel
tank, instruments and control mechanism, etc.' According to the
user's request the cooling fan and the radiator are available for dif-
ferent service sites.
Model 495G diesel engine ado.pts '8 ,single plate constantly
meshed dry type clutch. The major,ityof t~e clutch parts are com-
mon with those of the main clutc'h on Taishan - 50 tractor.
The clutch ah,d'power take -:- off a~se'mbly consists mainly of
the supJ?ort. plate, c1utchdis~, p~essureplate, pressure plate
s pring ,release lever ~p6wertake ..:-off shaft, release bearing, release
fork ,ellitch housing and" control lever ,.etc,'" as shown in Fig. 34.
The engine power is transmitted to; the pulley through the fly
wheel, support plate, pressure plate" clut~'h disc and power take-
off shaft. The f~ontend of tIle power take -off shaft is supported
on the flywheelbear.ings while its rear end· is supported on the two
bearings in the clutel} housing. The release bearing and its seat are
fitted on the front bearing cap and are able to slide axially. On the
pressure plate, there are three pulling brackets protruding from
the support plate, on which three release levers are installed. When
.the control lever is shifted forwar(l, the release fork pushes the re-
lease bearing s.eat forward, the rele.ase beari'ng will touch and force
the release levers to make the'pressure plate overcome the spring
pressure and depart from the clutch. disc, then the power 'take -off
will be cut-off.
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