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Assembling The Engine
Before assembling the engine all its parts have to be washed with petrol and
dried. The seating faces of the crank case halves and of the L.H. side' cover have to
be cleaned from the old sealing compound by careful scraping. Any unevenness on
the seating faces should be smoothed out on a lapping plate with paste. All the parts
have to be checked, damaged and worn ones replaced with original parts supplied
by the manufacturers. If one, of the crankcase halves is damaged, both halves have
to be replaced, because they are machined together and made to match.
Before assembly, put the individual parts on a clean piece of paper on the
work table. All moving parts such as pins, shafts, pinions etc. should be provided with
a coat of oil.
Proceed as follows:
1.
Only the bushes are pressed in the two crankcase halves.
2.
Fit the bearing circlips into the L.H. crankcase half.
3.
Heat both crankcase halves in an oil bath to approx. 70-80ºC / 158-176ºF/.
4.
Press all the ball bearings in so as to make them sit on the circlips.
5.
Fit the crankshaft assembly into the L.H crankcase half not omitting to locate an
accurate distance piece between the crank webs; after pressing in remove the
distance piece through the cylinder opening Fig.20.
Fig 20
Summary of Contents for 501/01
Page 1: ...orkshop anual This manual covers all Cezeta and N Zeta models M W ...
Page 12: ... 11 Fig 2 ...
Page 20: ... 19 Fig 7 ...