B
LB1152 Maior P 500.1/600.1 AB
COMBUSTION AIR FLOW ADJUSTMENT (HIGH-LOW FLAME)
Remove cover to gain access to the adjusting cams. The cams are to be adjusted through the suitable key
provided . Description:
I
- Limit switch for air damper "3rd. stage" position adjustment (Max. power).
II
- Limit switch for air damper "1st. stage" position adjustment (Min. power).
III
- Limit switch for air damper "2nd. stage" position adjustment .
IV
- Switches from 3rd stage to 2nd stage (always 5° bigger than 2nd stage adjusting limit switch)
V
- Limit switch for 2nd stage's solenoid valve opening release.
VI
- Limit switch for 3rd stage's solenoid valve opening release.
VII - Limit switch "NOT USED".
VIII - Limit switch "NOT USED".
Use only the suitable box wrench provided for this operation to remove the nozzle, taking care to not dama-
ge the electrodes. Fit the new nozzle with the same care.
Note: Always check the position of electrodes after having replaced the nozzle (see illustration). A wrong
position could cause ignition troubles.
3÷4 mm
LANDIS SQM 50.381A2
NOZZLE CLEANING AND REPLACEMENT
5÷6 mm
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