Rev 00
Dr.coffee Product Maintenance Manual 6
5.2.5 Crash ........................................................................................................................................................................................................................ 70
5.2.6 Water leakage ......................................................................................................................................................................................................... 70
6 INTRODUCTION TO DISASSEMBLY AND ASSEMBLY ..................................................................................................................... 71
6.1 TOOLS.............................................................................................................................................................................................................................. 71
6.2 F20 COMPONENT DISASSEMBLY STEPS .................................................................................................................................................................................... 72
6.2.1 Dismantling appearance ....................................................................................................................................................................................... 72
6.2.1.1 Remove the rear cover plate ................................................................................................................................................................................................... 72
6.2.1.2 Remove the cover plate ............................................................................................................................................................................................................. 72
6.2.1.3 Remove the left and right side panels ................................................................................................................................................................................ 73
6.2.2 Remove the bubbler ............................................................................................................................................................................................... 75
6.2.3 Dismantle grinding bean group.......................................................................................................................................................................... 76
6.2.4 Remove the pressure storage valve group ...................................................................................................................................................... 77
6.2.5 Dismantle the drive set ..................................................................................................................................................................................... 77
6.2.6 Remove the main control panel.......................................................................................................................................................................... 79
6.2.7 Dismantle the flowmeter ..................................................................................................................................................................................... 79
6.2.8 Removal of switching power supply .................................................................................................................................................................. 80
6.2.9 Dismantle the beater ........................................................................................................................................................................................... 80
6.2.10 Remove HMI group ................................................................................................................................................................................................. 81
6.2.11 Remove the water pump unit ............................................................................................................................................................................. 82
6.2.12 Remove the heating plate group ..................................................................................................................................................................... 82
6.2.13 Dismantle steam boiler unit ........................................................................................................................................................................... 83
6.2.14 Remove the three-way milk valve ................................................................................................................................................................... 84
6.2.15 Remove milk pump unit ....................................................................................................................................................................................... 85
6.2.16 Remove the inlet valve group ......................................................................................................................................................................... 85
6.2.17 Remove the solenoid valve group ................................................................................................................................................................... 87
6.2.17.1 Remove the hot water (rod) solenoid valve group ........................................................................................................................................................... 87
6.2.17.2 Remove the steam/ice coffee solenoid valve group ......................................................................................................................................................... 87
6.2.17.3 Remove the cleaning/coffee pressure relief solenoid valve group ............................................................................................................................ 88
6.2.17.4 Remove the steam boiler water supply solenoid valve ................................................................................................................................................... 88
6.3 P30 COMPONENT DISASSEMBLY STEPS .................................................................................................................................................................................... 89
6.3.1 Removal appearance ............................................................................................................................................................................................... 89
6.3.1.1 Remove the rear cover plate ................................................................................................................................................................................................... 89
6.3.1.2 Remove the left and right side panels ................................................................................................................................................................................ 89
6.3.2 Dismantle the flowmeter ..................................................................................................................................................................................... 90
6.3.3 Dismantle the solenoid valve group ................................................................................................................................................................ 91
6.3.4 Removal and delivery of pulverized coal generator unit ......................................................................................................................... 91
6.3.5 Dismantle the mixing motor set........................................................................................................................................................................ 92
6.3.6 Dismantle the diaphragm pump set .................................................................................................................................................................... 92
6.3.7 Removal of water pump ......................................................................................................................................................................................... 94
6.3.8 Remove the main control board.......................................................................................................................................................................... 94
6.3.9 Dismantling powder boiler ................................................................................................................................................................................. 94
6.3.10 Remove the blower ............................................................................................................................................................................................... 95
6.3.11 Dismantling agitator ......................................................................................................................................................................................... 95