The following steps apply to all boxes and electrodes:
❒ Remove the cover and use the ash vacuum to remove deposits on the inside
❒ Carefully clean the isolator (D) and electrode with a soft cloth
Cleaning the heat exchanger pipes
For boilers without electrostatic precipitators:
❒ Remove the lower cover plate from the reversing chamber on the stoker side
❒ Remove the cover located behind it
❒ Undo the screw connections on the WOS shaft and pull out all shafts
❒ Take off the rear cover from the flue gas nozzle and remove the thermal insulation
❒ Loosen the locking screws using the enclosed spanner
Servicing the system
5
Maintenance work by technicians
Operating Instructions T4e | B1560520_en
65