Instruction manual DXB heater
page 16
6.3 Cleaning the burner unit
3
6
A
A
SECTION A-A
B
DETAIL B
C
DETAIL C
3,0
u
0,5
3,0
u
0,5
2
1
4
5
2
2
3
7
Heater burner units
1 swirl plate
2 ignition electrode
3 nozzle
4 Ignition electrode guard
5 Ignition cable
6 LDS Photocell
Clean the burner unit as follows (see also figure ):
1. Close the oil supply.
2. Open the body access panel.
3. Loosen the wing nuts of the burner unit and remove it from the heater.
4. Clean the swirl plate (1) and the ignition electrode (2).
5. Make sure the burner unit adjustments correspond with the electrode distance
dimensions (See figure above).
6. Check that the oil system is leak-free and does not contain air, and that all hoses are
attached correctly.
7. Replace the burner unit; retighten the wing nut and close the access panel.
Clean the various parts with a soft brush ,a cloth or compressed air.
Pay attention to dirt building up on the stabilizer, the ignition pen and photocell.
The distance between the electrodes should be 3 ±0,5 mm and the distance between the
electrodes and the nozzle should be 3 ±0,5 mm.
