Stiga TRE 352, Workshop Manual

Page: 38 / 51

page 38
Release 00 - 03/2018
Engine TRE 352
Service manual
10. ENGINE BLOCK - External repairs
10.7. Replacing the upper compression ring of the
engine shaft (flywheel side)
1 - Remove the magneto flywheel [ 10.5] .
2 - Remove the screws (37) of the alternator (38) and
then the bracket screw (39). Remove the alternator
and take out the key (32).
3 - Use a thin screwdriver inserted under the sealing
lip to extract the oil seal ring (40).
4 - The new ring (41) must be inserted with the help
of a pipe (42) with a diameter of approximately 44-
48 mm, taking care not to damage the sealing lip.
5 - Refit the key (32) [ 10.5] and fix the alternator
screws (37) and (39) to the indicated couple.
6 - Refit the magneto flywheel [ 10.5] .
10.8. Verify alternator charge
When there isn’t a battery charger it’s necessary to
perform a generator check:
1 - Remove the magneto flywheel [ 10.5] .
2 - Disconnect the connectors from the governor
and remove the alternator [ 10.7] .
3 - Attach an appropriate tester (ohmmeter) (43)
onto the alternator connectors (38). The value
should be between 3.0 and 4,0 Ω.
4 - Refit the alternator [ 10.7] .
5 - Refit the magneto flywheel [ 10.5] .
6 - Refit the flywheel and close the nut to the indi-
cated couple [ 9.2] .
41
42
38
43
40
32 37
39
37
38
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