N&W Global Vending Colibri UL 120V Use And Installation Manual
                                                    | |
Contents
| 
© by N&W GLOBAL VENDING SpA 26 02-2007 266 00The integrity of the machine and compliance with thestandards of the relevant systems must be checked atleast once a year by qualified personnel.Before starting any maintenance operations requiringparts of the unit to be removed, the machine mustalways be switched off.The operations described below must be carried outonly by personnel who have the specific knowledge ofthe machine functioning from a point of view of elec-trical safety and health regulations.INTRODUCTIONTo ensure correct operation for a long period, the machinemust be subjected to regular maintenance.The following sections contain the procedures and themaintenance schedule, which are only a general indica-tion, as they greatly depend on the operating conditions(e.g. water hardness, environmental humidity and tem-perature, type of product used, etc.).The procedures described in this chapter are not exhaus-tive of all maintenance operations to be carried out.More complex operations (e.g. boiler descaling) should becarried out by qualified technicians only having specificknowledge of the machine.To prevent oxidation or the action of chemical agents, thestainless steel and varnished surfaces should be keptclean by using mild detergents (solvents must not beused).Under no circumstances should water jets be used toclean the machine.ESPRESSO UNIT MAINTENANCEEvery 10,000 selections or every 6 months some mainte-nance of the coffee unit must be carried out.Maintenance is carried out as follows:- remove the boiler Teflon hose connection from the upperpiston, paying attention not to lose the seal (see fig. 23);- undo the knob securing the unit to the bracket;- remove the coffee unit.Removing the upper filter- Take the snap ring out of its seat- Remove the piston from the crosspiece- Remove the filter and the piston sealChapter 3MAINTENANCERemoving the lower filter- Open the two half-shells to access the internal brewingchamber- Extract the brewing chamber and remove the lower pistonsnap ring.- Take the piston out of brewing chamber and remove thefilter.Soak all components removed from the unit in a solution ofboiling hot water and coffee machine detergent for approx.20 minutes.Thoroughly rinse and dry all parts, then reinstall them in thereverse order of disassembly, taking particular care in:- matching the two reference notches and inserting thecoffee unit;- checking the efficiency of the seals, lubricating them withfood-safe grease.Important notice!!!During reassembly, check that the handle pin of theratiomotor is correctly engaged in its seat.Fig. 261 - Ratiomotor handle pin2 - Coffee funnel3 - Brass ring nut4 - Snap ring5 - Brewer unit fastening knurled knob6 - Lower piston fastening snap ring7 - Reference notches |
Related manuals for N&W Global Vending Colibri UL 120V
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine