Webasto DBW 46 Wartungshandbuch PDF herunterladen (Seite 37)

9 Repair

BBW 46 / DBW 46

910

9.2.10 Disassembly of Heat Exchanger

9.2.10.1 Removal

1. Remove heater (see 8.7.1.1).

2. Break electrical connections (see 9.2.1.1).

3. Remove combustion air fan (see 9.2.7.1).

4. Remove glow plug (see 9.2.8.1).

5. Remove flame sensor (see 9.2.5.1).

6. Remove temperature limiter or temperature fuse as

applicable (see 9.2.2.1 or 9.2.3.1).

7. Remove temperature sensor (see 9.2.4.1).

8. Remove burner head with combustion pipe (see

9.2.9.1).

9. Engage two screw drivers in recess (3, Fig. 907) and

lever heating pipe (1) out of heat exchanger.

10. Remove O-ring (2).

11. Perform procedures on components after

disassembly (refer to 9.1.1).

9.2.10.2 Assembly

1. Apply Copaslip (Ident. No. 105898) to mating

surfaces between heating pipe (1, Fig. 907) and heat

exchanger (4).

2. Fit new O-ring (2), slide heating pipe (1) into heat

exchanger (4) and locate for assembly.

3. Install burner head with combustion pipe (see

9.2.9.2).

4. Install temperature sensor (see 9.2.4.2).

5. Install temperature limiter or temperature fuse as

applicable (see 9.2.2.2 or 9.2.3.2).

6. Install flame sensor (see 9.2.5.2).

7. Install glow plug (see 9.2.8.2).

8. Install combustion air fan (see 9.2.7.2).

9. Make electrical connections (see 9.2.1.2).

10. Install heater (see 8.7.1.2).

1 Heating pipe

2 O-ring

3Recess

4 Heat exchanger

Fig. 907 Replacement of Heat Exchanger

1 2 ... 32 33 34 35 36 37 38 39 40

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Webasto DBW 46 Wartungshandbuch Seite 37