22
Extraction Guide
Within
Espresso Range
Under
Espresso Range
• Flow starts after 4–7 secs
• Flow slow like warm honey
• Crema is golden brown with a fine
mousse texture
• Espresso is dark brown
• Extraction takes 25–35 secs
SOLUTIONS
SOLUTIONS
Grind Finer
Tamp using 30-40lbs of
pressure. The top edge of
metal cap on the tamper
should be level with the
top of the filter basket
AFTER tamping.
Trim the puck to the right
level using the Razor
™
dose trimming tool.
Always use the Razor
™
tool and trim off some
coffee after tamping.
Over
Espresso Range
LOCK
INSERT
• Flow starts after 1–3 secs
• Flow fast like water
• Crema is thin and pale
• Espresso is pale brown
• Tastes bitter/sharp, weak and watery
• Extraction takes up to 20 secs
• Flow starts after 8 secs
• Flow drips or not at all
• Crema is dark and spotty
• Espresso is very dark brown
• Tastes bitter and burnt
• Extraction takes more than 40 secs
REMOVE USED
GRINDS
Used grinds will form
a coffee 'puck'. If the
puck is wet, refer to
the 'Under Extraction'
section.
RINSE FILTER
BASKET
Keep the filter basket
clean to prevent
blockages. Without
ground coffee in the filter
basket, lock the
portafilter into the
machine and run hot
water through.
AFTER EXTRACTION
GRIND SIZE FINER
Adjust & re-test
GRIND SIZE COARSER
Adjust & re-test
CORRECT EXTRACTION
UNDER EXTRACTION
OVER EXTRACTION
Grind Coarser
Tamp using 15 kilos of
pressure. The top edge of
metal cap on the tamper
should be level with the
top of the filter basket
AFTER tamping.
Trim the puck to the right
level using the Razor
™
dose trimming tool.
TURN
TURN
Always use the Razor
™
tool and trim off some
coffee after tamping.
OPTIMUM
10-12g (1 CUP)
18-20g (2 CUP)
25-35 SEC
BALANCED
GRIND
TAMP
GRIND DOSE
SHOT TIME
TOO FINE
TOO MUCH
TOO HEAVY
OVER 40 SEC
OVER EXTRACTED
BITTER • ASTRINGENT
TOO COARSE
TOO LITTLE
TOO LIGHT
UNDER 20 SEC
UNDERDEVELOPED • SOUR
UNDER EXTRACTED
15-20kg
Содержание Barista Express BES870
Страница 2: ...the Barista Express Instruction Book BES870...
Страница 38: ...37 Notes...
Страница 39: ...38 Notes...
Страница 40: ...39...