A SERVICE OF

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9.2.4 Replacement of Combustion Air Fan
9.2.4.1 Removal
1. Remove air heater (see 8.7.1.1).
2. Remove control unit (see 9.2.2.1).
3. Remove seal (2 Fig. 903) from lower housing shell
and discard.
4. Remove air heater from lower housing shell.
5. Remove insulation (1, Fig. 903)
6. Remove screws (1, Fig. 904).
7. Withdraw combustion air fan (3) and remove gasket
(2).
8. Perform work on components after disassembly (see
9.1.1).
905
Fig. 903 Replacement of Combustion Air Fan (Disassembly)
1 Screw (5)
2 Gasket
3 Combustion Air Fan
Air Top 2000 S
9 Repair
1 Insulation
2 Seal
1
2
!
MAX.