Brew Group Rebuild Guide - Rancilio EGRO 55 Series Technical Manual

6.7 BREW GROUP REBUILD GUIDE

This guide is intended for certifi ed factory trained technicians only. It is recommended that you bring BGA's back to your
shop to rebuild them. Should you have any questions or need further assistance, please contact Rancilio North America at:
(877) 726-2454.
T N
OOLS EEDED
--> Phillips head screwdriver
--> Flat head screwdriver
--> Allen wrenches size 3mm and 4mm
--> Wrenches in following sizes:
--> 7mm and 8 mm
GETTING STARTED:
> Prepare a work area that can easily be cleaned.
> Prepare water solution in a tub, dish, pan or bowl.
- Espresso machine dairy cleaner in about 32oz of water (recommended) or...
- Dissolve a coffee cleaning tablet in about 32oz of water or...
- Squeeze lemon juice into about 32oz of water
Do NOT use dish soap or any harsh cleaners which contain abrasive chemicals. These items
can leave a nasty residue on the BGA components or damage them.
! !
CAUTION: DO NOT leave parts in water for more than 30 minutes, solution may damage parts.
Lube
O
THER
--> Lubricant
--> Clean rags/clothes
--> Espresso dairy cleaner, coffee cleaning tablets
--> A dish, pan, tub, or bowl for water
--> Toothbrush or small group brush
AND...
SERVICE PART'S KIT 1 WHICH INCLUDES:
Ref.
Num.
Brew
Group
Assembly
- Section 6: Page 24 -
EGRO 55 SERIES TECHNICAL MANUAL
I N
TEMS EEDED
> Viper lube Loctite PN 36781
> Krytox RFE PFPE Lube, Loctite PN 29711 (green tube
or a Lemon
Part Describ.
1 Upper piston O-ring
2 Upper piston scrapper O-ring
3 Lower piston O-ring
P/N QTY
Included
039061 1
039064 1
029441 1
Tub for
Water
TIP: an Egro
grounds drawer
works great!
Cleaning Solution:
- Dairy Cleaner OR...
- Coffee Cleaning Tablets OR...
- Lemon