Change Def (Adblue) Filter - Doosan DL550-5 Operation & Maintenance Manual

Change DEF (AdBlue) Filter

1. Open the DEF tank steel cover. (Figure 113)
2. Remove cover on the rear of the reductant tank.
3. Place a suitable container underneath.
4. Unscrew the filter cover. Use a 46 mm socket.
5. Lift out the filter cover and filter.
6. Replace the filter and check the O-ring and insulation.
7. Wipe clean with lukewarm water before you reinstall the
filter cover to remove any crystals.
8. Screw on the filter cover again. Tightening torque 80 N.m
(59 ft lb).
DL550-5
Figure 113
Figure 114
Figure 115
Inspection, Maintenance and Adjustment
FG023255
FG019061
FG019062
4-77