MAINTENANCE MANUAL
Speedster
page 17
Maintenance
Below is the recommended maintenance scheme followed by a description of how the
individual maintenance items should be carried out. Up to one year, the maintenance is
easy and does not require any technical knowledge. However, checking and replacing
parts inside the machine should be done with care and requires some technical skills.
Recommended maintenance scheme
Daily (depending on use,
see description in previous section
)
Clean filter holder
Clean steam wand
Backflush group
Weekly
Clean group dispersion plate
Clean group screen
Clean filter holder
Every 3 months
Re-generate water softener
Check pump pressure
Check and replace if necessary:
rubber group seal
group screen
filter basket
filter holder clip
Every 6 months
Replace rubber group seal
Check anti-vacuum valve for leakage
Check safety-valve on hot water/steam boiler for leakage
Check expansion valve on heat-exchanger system
Check O-ring and spring in progressive pre-infusion cylinder, grease O-ring and
piston shaft
Every 12 months
Replace:
group screen
filter basket
filter holder clip
Replace anti-vacuum valve
Grease steam wand ball and check play between nut and ball of steam wand;
replace nut if necessary
Check restrictor in group on scale build-up
Every 2 years
Rebuild steam valve
Clean probes, level and safety
Every 5 years:
Replace all solenoid valves
