Doosan DX490LC-5 & DX530LC-5 Repair Manual PDF

Manuals: Shop Manual

Changing the Burner, Flame Monitor and Glow Plug Removal

1. Remove heater.

2. Remove combustion air fan.

3. Remove screw (5, Figure 5) and washer (4, Figure 5).

4. Remove nuts (10, Figure 5) and pull off the bar (8, Figure 5).

5. Pull the grommets (11 and 12, Figure 5) out of the slots in the housing of the combustion pipe (3, Figure 5).

6. Pull the grommet (13, Figure 5) and burner (1, Figure 5) out of the burner head and remove with the swirl orifice (2, Figure 5).

7. Pull the flame monitor (7, Figure 5) and glow plug (6, Figure 5) from the burner (1, Figure 5) and remove.

8. Perform a visual check for assessing the burner.

9. Complete the work on stripped-down components.

Installation

1. Place the swirl orifice (2, Figure 5) onto the burner (1, Figure 5).

2. Carefully insert the flame monitor (7, Figure 5) and glow plug (6, Figure 5) into the burner up to the stop and push the grommets (11 and 12, Figure 5) into the slots in the housing of the burner pipe (3, Figure 5).

3. Insert the burner (1, Figure 5) and grommet (13, Figure 5) into the burner head (3, Figure 5).

4. Push the insulation (9, Figure 5) onto the bar (8, Figure 5) and bring the bar into the assembly position.

NOTE: Route the cable of the flame monitor and the glow plug as shown in the figure!

5. Secure the bar (8, Figure 5) using the nuts (10, Figure 5).

Tighten the nuts to 3 N.m 10%.

6. Secure the fuel line using the screw (5, Figure 5) and washer (4, Figure 5). Tighten the screw to 3 N.m 10%.

7. Install the combustion air fan.

8. Connect the electrical connections.

9. Install the heater