Sachs SA 340 - Changing Crankshaft Bearings

Changing crankshaft bearings
H eat crankcase hal ves to about 100 ... 150 ° C (212 ... 302 ° F). Remo ve outer races of
bearings and cra n kshaf t oils seals.
In sert n ew outer races of roller bearings in to the wa rm crankcase halves until they
strike a stop . Press in oil sea ls (with sealing li ps inwards) until t hey are flush.
Pr
ess in new grooved ball bearings into the warm crankcase halves on the magneto
side until they strike a sto p. Press in crankshaft oil seals until flush on ly after the crank-
case halves have been screwed together.
Removal of inner races of roller
bearings and grooved ball bear-
ing
Fig. 13
Pull off inner race (1) and groov-
ed ba ll bearing (4) by means of
the appropr iate extractor shells
(9 and 6), clamping rings (8 and
7) a nd wi thdrawal tool (10, re-
pair tool n o. 11 to 16).
Remove spacers (3) and compen-
sat ing was h ers (2).
F&S 1..075:25
Fi g. 13
11