Slayer Steam LP - Backflush the Group Heads

SLAYER STEAM LP USER MANUAL V1.1 | JUNE 2019 40
BACKFLUSH THE GROUP HEADS
Through the Barista Dashboard, Slayer Steam automates backflush cycles
for each group head. Backflush with an approved espresso machine
cleaning powder at least once daily. Complete the “Fast Clean” procedure
as needed.
To maximize eciency and lengthen the life of wearable parts, keep
on hand two (2) complete sets of shower screens, dispersion screws,
portafilter baskets, and portafilter springs. Alternate between sets for
each full backflush cycle.
INCLUDED PARTS
• Blind portafilter insert
• Replacement soft-touch portafilter
REQUIRED TOOLS
• Cleaning brush
• Flat-head screwdriver
RECOMMENDED PARTS & SUPPLIES
• Replacement shower screens, one (1) per group head
• Replacement dispersion screws, one (1) per group head
• Replacement portafilter baskets, one (1) per group head
• Replacement portafilter springs, one (1) per group head
• Approved espresso machine cleaning powder
• 1 liter (or larger) heat-tolerant container
• Soft, clean towel
PROCEDURE
1. Complete “General Group Cleaning” steps 1-3 on pg. 42. Set aside
shower screens and dispersion screws.
2. Prepare a solution of hot water and approved espresso machine
cleaning powder in a 1 liter (or larger) heat-tolerant container.
3. Remove portafilter baskets and portafilter springs from all
portafilter bodies.
4. Add all shower screens, dispersion screws, portafilter baskets,
portafilter springs, and portafilter bodies to prepared solution. Soak
for a minimum of 20 minutes, then rinse thoroughly with clean water.
Meanwhile, complete remaining steps.
Do not submerge portafilter handles in solution
or fading will occur.
5. Install a blind insert in a replacement portafilter, add cleaning powder,
and lock it in the group head.
6. Press and release the menu button on the Barista Dashboard™ to
activate the menu.
7. Rotate the menu button until the “Group Cleaning”
setting appears.
8. Press and release the button to enter the “Group Cleaning” setting.
The option to select a cleaning program will be presented.
9. Scroll to cycle between cleaning programs:
• All (all group heads)
• Gp1 (leftmost group head)
• Gp2 (on 2-group, right group head; on 3-group, middle
group head)
• Gp3 (rightmost group head; 3-group only)
10. Press and release themeenu button to select and initiate a cleaning
program. A countdown will begin at the group head(s) running the
cleaning program. The cleaning program is complete when the shot
light pulses.
11. Follow the prompt on the screen to remove the portafilter(s) from
the group head(s), then press and release the button to continue.
The purging cycle is complete when the shot light pulses, after
approximately thirty (30) seconds.
12. Reassemble the portafilter, inserting the portafilter spring and
portafilter basket, then lock it in the group head.
13. Using the the blind basket and portafilter combination again, run a full
cycle clean WITHOUT cleaner to remove any potentially undissolved
Slayer Cleaner.
14. Repeat steps 6-13 for each group head, as needed.