Spheros thermo 231, Workshop Manual

Page: 52 / 98

8 Servicing Thermo 230 / 231 / 300 / 301 / 350
802
Inspection and Attachment
NOTE
The exhaust muffler must always be secured with a sheet
metal screw. Drill a hole with a diameter of 2.5 mm into
the exhaust end pipe and muffler and arrest muffler with a
sheet metal screw B 3.9 x 25 (see figure).
1. Check exhaust end pipe for presence of muffler.
For checking remove exhaust end pipe as required.
2. If muffler is found in exhaust end pipe fasten as
described in NOTE. Slot or drill exhaust end pipe and
refit.
3. If no muffler is found in exhaust end pipe check if
muffler is upstream in exhaust pipe. If muffler is
dislocated in the exhaust pipe, arrest muffler as
described in NOTE. Slot or drill exhaust pipe and refit.
4. If the exhaust muffler has been lost it may be ordered
from Spheros (ident. no. 206 91D). Fasten muffler
according to NOTE. Slot or drill exhaust pipe and refit.
5. If heater is operated without exhaust pipe, fasten
muffler according to NOTE. An exhaust deflector
(ident. no. 849 70A) must be additionally fitted.
Sheet metal
screw
B 3.9 x 25
Sheet metal screw
B 3.9 x 25
Hole
2.5 mm Ø
Hole
2.5 mm Ø
Exhaust muffler
(ident. no. 206 91D)
Exhaust muffler
(ident. no. 206 91D)
Exhaust end pipe
Exhaust
end pipe
Exhaust deflector
(ident. no. 849 70A)
Exhaust pipe
Slot exhaust
pipe
Heater without exhaust pipe
Heater with exhaust pipe