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BBW 46 / DBW 46

9 Repair

911

9.2.11 Replacement of Felt Disk in Burner Head

9.2.11.1 Removal

1. Remove heater (see 8.7.1.1).

2. Press clamping spring (6, Fig. 908) from locking pegs

(9) using screw driver.

3. Engage two screw drivers in recesses (7) and lever off

cover (1).

4. Discard O-ring (2) and gasket (8).

5. Remove felt disk (3) and ring (4) from burner head (5)

and discard.

6. Check burner head for felt deposits and contamination

and remove as required.

7. Clean glow plug orifice (10), diameter 2.5 mm.

8. Perform procedures on components after

disassembly (refer to 9.1.1).

9.2.11.2 Installation

NOTE

The felt disk is different for the fuel and Diesel versions

(see Fig. 909 and Fig. 910). During assembly all

components, except for the cover, must be renewed (O-

ring, felt disk, ring and gasket).

To increase the life of the glow plug, the ring

must

be cut

open as shown in the figure. This also happens during

manufacture of new equipment.

For equipment delivered and in use we recommend the

replacement of the ring and felt disk in combination with

the glow plug.

CAUTION

Prior to assembly cut ring open as shown. During

assembly ensure that ring is not compressed beyond

spring tension or bent.

1. Install felt ring observing assembly procedure

according to Fig. 909 (BBW 46) or Fig. 910 (DBW 46).

2. Install heater (see 8.7.1.2).

1Cover

2 O-ring

3 Felt disk

4Ring

5 Burner head

6 Clamping spring

7Recesses

8Gasket

9 Locking pegs

0 Glow plug orifice

Fig. 908 Removal of Felt Disk in Burner Head

1 2 ... 33 34 35 36 37 38 39 40

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