Fuel Nozzle, Replacement; Removal; Installation; Flame Detector, Replacement - Webasto DBW 2010 Service And Repair Manual

REPAIR
Figure 40: Fuel Pump Replacement
9.2.8 F N , R
UEL OZZLE EPLACEMENT
9.2.8.1 R
EMOVAL
1. Swing burner head open (see Sec. 8.5.1).
2. Unscrew and remove nozzle using a nozzle wrench
or two wrenches (16 mm & 19 mm).
NOTE: Ensure cleanliness is maintained when
installing the nozzle. Only touch the nozzle at
its hexagon surface. The fuel nozzle should be
replaced annually.
NOTE: If ignition electrodes are disturbed
during nozzle replacement, they will require
adjustment (see Sec. 6.2.3).
9.2.8.2 I
NSTALLATION
1. Screw in new high pressure nozzle and tighten to
20 Nm (15 lb-ft.).
2. Swing burner head closed (see Sec. 8.5.1).
Webasto Product N.A., Inc.
DBW 2010/2020/300 COOLANT HEATERS
Nozzle Holder
Figure 41: Nozzle Replacement
9.2.9 F D
LAME ETECTOR
9.2.9.1 R
EMOVAL
1. Swing burner head open (see Sec. 8.5.1).
2. Remove screw and lock washer and slide flame
detector out of slot in disc.
3. Disconnect electrical leads to flame detector.
9.2.9.2 I
NSTALLATION
1. Connect electrical leads to new flame detector.
2. Position flame detector in slot of disc and secure
with screw and lock washer.
3. Tighten screw to 5 Nm - 6 Nm (44 - 53 lb-in.).
4. Swing burner head closed (see Sec. 8.5.1).
Flame Detector
Figure 42: Flame Detector Replacement
54
Nozzle
, R
EPLACEMENT
Screw
Disc
Window
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