HK 50 M – HK 10M – HK 100S SERVICE BULLETIN5.2. FAILURE MAINTENANCE PROCESSIn case of interruption of boiler functions or in case of fault occurrences;- replacing- repair- component control are made.Special tools must be used for disassembly and replacement and the instructions must be followed.5.3. PERIODICALLY PROGRAMMED MAINTENANCE TABLEANNUAL MAINTENANCE TABLE 1styear2ndyear3rdyear4thyearCOMBUSTION ANALYSIS (See SECTION 3.6)FRESH AIR SUCTION, WASTE GAS COLLECTOR,SIPHON AND TERMINAL CONTROL (see SECTION7.9)IGNITION ELECTRODE CONTROL AND CLEANING(See SECTION 5.6.4)CHECKING AND CLEANING THE VENTURI (See SECTION5.6.5)FAN CONTROL AND CLEANING (See SECTION 5.6.6)BURNER CONTROL AND CLEANING (See SECTION5.6.7)CHECKING AND CLEANING THE HEAT EXCHANGERCONDENSE SECTION (See SECTION 5.6.7)SIPHON CONTROL AND CLEANING (See SECTION 5.6.8)SAFETY CONTROLS; LOCKING, AFTER FLAMESHUTDOWN FUNCTION, MODULATION OPERATIONSCONTROL OF SETTING VALUES (See SECTION 3.6)5.4. TOOL KIT FOR MAINTENANCE- Magnetic screwdriver (PH1) - Magnetic screwdriver (PH2)- Wide mouth screwdriver - Socket wrenches 7mm-10mm- 5, 7, 10, 11, 13, 14, 15, 17, 23, 24, 27, 29 and 36 mm-mouth wrenches- Scissors (tinplate) - Molikot 111 type lubricant- Cleaning cloth (American cloth) - Brush- Heat resistance paste - Pens, pliers- DrillService Administration 59 03/2010