Sachs SA 280A User Manual

Fig. 6
8
Labyrinth ring ond ormature
bo se plote
Fig. 5
Uns!;rew lab yrinth ring (5).
Pull ig nition lead with spring out
of th e spar k plug le rminal {61,
pull off rubber sleeve {l } and
rubber cap (2) and screw out the
igni
li on lead socket.
Unscrew armature bose plate (4)
and remove it together with igni-
tion lead (not in Ihe case of 75 W
equi pment) and insulaling tube
(w it h lead).
Remove
Woodruff key.
Cylinder head , cylinder and
piston
Fig. 6
Unscrew cylinder head a nd cy-
linder.
Pull off cylinder wi thoul twisting
(danger of breaking pi ston
rings).
Remove cylinder
fl ange goskel.
Note:
The
SACHS SA 280 A and SA 280
cylinders ca n be rebored three
limes,
and those of Ihe SA 290
and SA 340 C twice. Use appro-
pria te p is ton (see Spore Ports
lisl ).
When fitting new or r ep l acement
cy li nders and pistons, care
should be laken to ensure Ihol
Ihe co lored spot on Ihe crown
of the piston is Ihe some color os
Ihal in Ihe induction port of Ihe
cyl i nder (i . e. red or whi te ).
Place cylinder on home-mo de
sloll ed wooden board (1 ).
Cover Ihe crankcase , t oke a utlh o
two wire cirdips. If necessary,
force
oul gudgeon ein wi th gud-
geon pin e)(traclor (3, repair tool
no.
1) and inserl (2, repair tool
no.
2).
When filting the sleel bond, core
should be token 10 ensure Ihat
the pi ston rings are in their Woo-
ves (danger of breaking piston
rings).
Remove slotted wo
ode n board .
Cronkcose ond crank shaft
Fig . 7
Unscrew 6 he)(ogon socket heod
screws fr om crankcase.
Note:
When dismant li ng Ihe crankcase ,
have a look
at the loble of
crankshaft bearing s on poge 10.
Split crankcase by to pp ing Ihe
crankcase half power takeoff
side sl ig hl ly wi th a rubb er ham-
me r.
Remove cra nk !;ose half power
lakeoff side and gasket.
Toke core of dowel lubes.
Unscrew screw ed nipple (1) and
oil dra in cock {2}.
Unscrew crankcase half magneto
side from the assembly ii! aod
heat i li a 100 ... 150
0
C 212 ...
302
0
Fl for removing the cra nk-
shaft (grooved boll bearing).
Tok e oul crankshaft.
Clean all parts thoroughly, check
for
wear and replace when ne-
cessary.
Use only genuine SACHS s par es.
9

Sachs SA 280A Specifications

General

Brand	Sachs
Model	SA 280A
Category	Engine
Language	English