USER MANUAL
– routine
Slim Jim User manual
page 23
4. Scoop 1 teaspoon of coffee dissolving powder in the blind filter and lock the filter holder in the
group.
5. Activate the group, keep activated until full 9 Bar pressure is reached.
6. Then de-activate the group and wait until all pressure has dropped, do not remove the filter holder.
7. Repeat steps 5 and 6 eight times (pressurise, then de-pressurise), or use the automatic back-flush
program (to start this, see page 13).
8. Remove the filter holder from the group, clean the blind filter by flushing it under the tap, activate
the group for approximately 5 seconds to remove possible powder from the group screen.
9. Lock filter holder in group, activate the group until 9 Bar is reached, de-activate the group to de-
pressurise, remove filter holder and pour out remaining liquids.
10. Repeat step 9 four times (or use the automatic back-flush program).
11. Pry the blind filter from the filter holder and replace the filter basket.
Warning!
Finishing the back flush routine without cleaning powder is essential to prevent remnants of cleaning
powder settling between the plunger and housing of the 3-way group valve.
Clean group screen, check and replace group seal
The group screen helps to disperse the incoming hot water onto the coffee bed and also prevents
coffee grinds entering the group.
The black group seal will remain flexible for a long time but will harden eventually. We advise to check
the group seal regularly and replace when needed.
Materials needed
•
Group screen extractor (included in shipment, or back end of a fork or spoon)
•
Plastic brush (included in shipment)
•
Coffee dissolving powder (included in shipment)
•
Replacement group seal (when necessary)
Procedure
1. Pry the group screen gently from the group using the screen extractor levered under the bayonet-
ring. Place the pointed edge of the tool
in the rim of the group screen (see Figure 17 a), do not
puncture the group screen. Pry left and right, the screen will fall out together with the group seal.
2. Remove the group seal from the group screen.
3. Soak the metal group screen in a solution of coffee dissolving powder and warm water for about 5
minutes. Rinse under streaming water.
4. Check the group seal for cracks and/or hardening, replace if necessary.
5. One side of the group seal has a somewhat more rounded surface. When replacing the group seal
on the group screen, make sure the rounded side of the ring is inserted into the group (facing
upwards, see Figure 17 b).
6. Place the group screen with group seal on the filter holder and insert into group, pushing upwards.
7. Turn the filter holder in the bayonet lock to firmly press the group seal into the group.
Figure 17 a (left). Pry left and right with screen extractor to remove group screen and group seal.
Figure 17 b (right). Mount group screen with filter holder and group ring. Inset shows schematic cross
section of group ring with rounded surface upwards.
