Sachs SA 280A - Page 18

Removal and replacement of small end bushing
When carrying ou t r epa irs to engines it will sometimes be ne ces s ar y to rep l ace the
s
mall end bushing of the connecting rod. A s pecial tool has been designed for this
purpose (repair too l no. 9 ).
A special reaming at t achment is required when reaming out a n ew ly fitted bushing,
and this has been developed in col labo ration w i th the G erma n firm of Hu nger (re-
pair tools no . 10, 11 , 12 and 13 ).
The f ollowing procedure should be adopted when replaci ng a small end bushing:
Fig. 18
Fig. 19
16
Removing small end bushing
Fig. 18
F ix the gu i de rai l (1), as ill ustrat-
ed,
adjust it in relation to the
connecti ng rod , and lightly se-
cure
it by mean s of t wo washers
(2) and two nuts (3 ).
Press gui de rail un ifor m ly against
the two s tud s and tighten nuts (3 ).
Clamp the co nn ect i ng rod by
means of eccen tr ic pins (9) a nd
pr ess out th e small e nd bushi ng
as follows:
Ins ert wit hdr awa l bolt (4) wi th
gu i de bush (5) and pr ess ure bush
(6) in to the sma ll e nd bush ing .
Fit
hold i ng sleeve (7), s cr ew the
nut (8) and pre ss o ut the sma ll
end bushing.
Inserting replacement bushing
Fig. 19
Wh en inser tin g the replacement
bu sh ing (k), care should be take n
to ensure
that both o il holes (in
the
bushing and in the conne ct -
ing rod) are in al ig nment.
Car e fully inse rt wit h drawa l too l
(e) with press ur e bu sh (g ) i nto
small end bus hin g (k).
Fit
guide bu sh (f) and holding
sleeve (h), s cr ew the nut (i) and
press in
the bushing (k) so that it
project s equa lly on both sides.