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© Rocket Espresso Ltd. RE series User Manual Ed. 07.2015. Specifications subject to change without notice.. Page 19
Before shutting down the machine after work:
For the following operations the machine has to be on:
Scrubbing the inner side of the brewing head (where the filter holder is tightened in):
With a small hard brush, give the inside of the group a good scrub. Caution: hot metal
parts! Do not touch! When done depress with RE A series machines key Fig. 2-A (“P”)
and with RE S series machines key Fig. 1B to dispense some hot water. Depress these
keys again after five seconds to stop water dispensing.
Back flushing (“rinsing”) of the group: The group should be back flushed at least once
a day (typically after work) with a specific food quality cleaning product for espresso
coffee machines. This operation is done individually with every group. Start
proceeding as follows:
Replace the filter basket inside the filter holder with the blind filter basket (the one
without holes). Now put the specific food quality cleaning product for espresso coffee
machines into the blind filter basket (quantity of cleaning product according to
manufacturer’s instructions; typically half a coffee spoon of product)). Now tighten the
filter holder into the group. From now on please follow the dedicated procedures for
RE A and RE S machines.
With RE A machines
(automatic portion control) please use the built-in
semiautomatic back flushing program: Select the group you wish to back flush. Now,
operating with the selected group, keep key Fig. 2-A depressed while depressing key
Fig. 2-B. The leds of both keys start flashing. When the back flushing cycle is finished,
these keys stop flashing. Remove the filter holder from the group and depress key Fig.
2-A again. Dispense hot water for another 10/15 seconds and depress this key again
to stop. The operation for this group is done. Please note that while the back flushing
program is running on one group, you can operate with the other ones.
With RE S machines
please proceed as follows: Depress key Fig. 1B – 5 and switch
it off after 15 seconds. Repeat this procedure about 5 times. When done remove the
filter holder, depress key B1-5 and dispense hot water for about 15 seconds. The
depress key B1-5 again to stop dispensing.
After backflushing the water being dispensed should be clean and fresh.
If needed, please repeat the back flushing again with water only to make sure the
detergent residues are washed away.
For the following operations the machine has to be switched off, unplugged
and completely cooled down:
Clean showers, group gaskets and group flange with a clean brush (to be used only
for this purpose).
Cleaning the filter holder and the metal filter baskets:
With a small screw driver or teaspoon, flick out the filter basket from the handle.
Once you have the filter basket out, clean both the filter basket and the internal
surface of the handle with a pot scourer until both surfaces are clean from the dark
coffee oils.
