6
STEAM BOILER .........................59
5.1 REDUCING STEAM BOILER PRESSURE.....................61
5.2 EMPTYING THE STEAM BOILER ..........................61
5.3 ACCESS TO HEATING ELEMENT .........................62
5.4 REMOVAL OF THE STEAM BOILER........................66
5.4.1 TEST THE HEATING ELEMENT ...............................66
5.4.2 REMOVE THE HEATING ELEMENT ............................67
5.5 THE SAFETY THERMO-FUSE ............................68
5.6 THE LEVEL PROBE ....................................70
5.7 ANTI-SUCTION VALVE ................................71
5.8 SAFETY VALVE ......................................72
COFFEE BOILERS ........................73
6.1 REMOVAL OF THE COFFEE BOILER .......................75
6.2 HEATING ELEMENT ...................................79
6.2.1 CHECK AND REMOVAL OF THE HEATING ELEMENT ..............79
6.3 TEMPERATURE PROBE.................................81
6.3.1 REMOVAL OF THE TEMPERATURE PROBE ......................82
6.4 HIGH-LIMIT THERMOSTATS ............................84
6.5 EXPANSION VALVE ...................................84
6.5.1 REMOVAL OF THE EXPANSION VALVE .........................84
6.6 PROCEDURE FOR AUTOMATICALLY FILLING
THE COFFEE BOILER ..................................86
HYDRAULIC CIRCUIT......................87
7.1 EXHAUST MANIFOLD AND DRAIN BOX ....................88
7.2 TANK..............................................89
7.3 TANK VALVE AND WATER STOP VALVE ...................89
7.3.1 REMOVAL OF THE TANK VALVE .............................89
7.3.2 REMOVAL OF THE WATER STOP VALVE ........................91
7.4 THE PUMPING ELEMENT ...............................93
7.4.1 REMOVAL OF THE PUMP ...................................93
7.4.2 REMOVAL OF THE CONDENSER ..............................97
7.4.3 REMOVAL OF THE MOTOR ..................................97
7.5 REMOVAL OF THE AUTO-FILL VALVE ....................98
7.6 FLOWMETER AND NOT RETURN VALVE ..................100
7.6.1 REMOVAL OF THE FLOWMETER ..............................101
7.6.2 REMOVAL OF THE PRE INFUSION RESTRICTOR ..................104
7.6.3 REMOVAL OF THE NOT-RETURN VALVE .......................104
7.7 HOT AND COLD WATER VALVE ........................105
7.7.1 REMOVAL OF THE HOT WATER VALVE ....................... 106
7.7.2 REMOVAL OF THE COLD WATER VALVE ...................... 109
7.8 STEAM VALVE ...................................... 110
7.8.1 REMOVAL OF THE STEAM VALVE.............................110
7.9 STEAM, HOT WATER AND EASYCREAM (OPTIONAL) WANDS . 114
7.9.1 DISMANTLING THE WAND ..................................114
7.10 EASYCREAM (OPTIONAL)............................. 118
7.11 REMOVAL OF THE PRESSURE GAUGE .................... 121