Nespresso Momento 120 Service Manual page 5

11.11.10 Replace Main PCB .............................................................................................. 129
11.11.11 Replace Power Supply ........................................................................................ 130
11.11.12 Replace Brewing Unit (Maint. Kit) ...................................................................... 131
11.11.13 Replace Brewing Unit (MHBU) ........................................................................... 136
11.12 Milk Module Repairs (General) ..................................................................................... 139
11.12.1 Removing FEP Tubes ............................................................................................ 141
11.12.2 Replacing Valve Membranes (PM) ....................................................................... 142
11.12.3 Replace Outlet Valve ........................................................................................... 143
11.12.4 Replace Fridge Fan ............................................................................................... 145
11.12.5 Replace Control Board ......................................................................................... 147
11.12.6 Replace Micro Switches / Water Protection Clamp............................................. 149
11.12.7 Replace Chassis / Inlet Geometry Handle ............................................................ 150
11.12.8 Replace Steam Valve Plunger and Gasket (PM) ................................................... 152
11.12.9 Replace Water Coupling ...................................................................................... 154
11.12.10 Replace Water Coupling Check Valve (PM) ........................................................ 155
11.13 Milk Module Repairs (Plastic Component Support) ...................................................... 156
11.13.1 Replace RF-Box .................................................................................................... 156
11.13.2 Detach Hydraulic Unit and PCB Assembly ........................................................... 159
11.13.3 Replace Pressure Sensor...................................................................................... 163
11.13.4 Replace Air Valve ................................................................................................. 164
11.13.5 Replace Steam Pressure Regulator ...................................................................... 165
11.13.6 Replace Emptying Valve....................................................................................... 166
11.13.7 Replace NTC Fluid line ......................................................................................... 167
11.13.8 Replace Water Pump ........................................................................................... 168
11.13.9 Replace Steam Heating Chamber ........................................................................ 169
11.13.10 Replace Steam Valve .......................................................................................... 170
11.13.11 Remove Hydraulic Components Support .......................................................... 171
11.13.12 Replace Boiler .................................................................................................... 174
11.13.13 Replace Milk Pump ............................................................................................ 176
11.14 Milk Module Repairs (Metal Component Support) ....................................................... 178
11.14.1 Replace RF-Box .................................................................................................... 178
11.14.2 Detach Hydraulic Unit and PCB Assembly ........................................................... 181
11.14.3 Replace Pressure Sensor ...................................................................................... 185
11.14.4 Replace Air Valve ................................................................................................. 186
11.14.5 Replace Steam Pressure Regulator ...................................................................... 187
11.14.6 Replace Emptying Valve ....................................................................................... 188
11.14.7 Replace NTC Fluid line .......................................................................................... 189
11.14.8 Replace Water Pump ........................................................................................... 190
11.14.9 Replace Boiler ...................................................................................................... 192
11.14.10 Replace Steam Valve .......................................................................................... 194
11.14.11 Replace Steam Heating Chamber ...................................................................... 195
11.14.12 Replace Milk Pump ............................................................................................ 196
Version 1.4 EN Momento 120 Service Manual 5