Rancilio EGRO 55 Series, Technical Manual

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6.7 BREW GROUP REBUILD GUIDE
- Section 6: Page 31 -
EGRO 55 SERIES TECHNICAL MANUAL
5.5 Reassemble piston shaft to piston head using Allen screws
TOOL: 3mm Allen wrench
CAUTION: Do not overtighten or cross thread
5.6 Reinsert brass pins into piston shaft
5.7 Reattach piston shaft guides onto the sides of the piston shaft
PLEASE NOTE: Bearings should face upwards, or away from the piston head
TIP: Tighten Allen screws half-way and lay on the edge of the table or fl at surface
and tighten the rest of the way
5.7 5.6 5.5
5. REASSEMBLE THE UPPER PISTON ASSEMBLY (UPA)
5.1 Lubricate upper piston groove
LUBE: Viper lube Loctite PN 36781
5.2 Replace the upper piston scrapper ring and O-ring
PN:
?????? and 039064
5.3 Reassemble the shower screen and stainless steel upper piston plate onto upper piston
TOOL: Phillip’s head screwdriver
CAUTION: Do not over tighten or cross thread
5.4 Replace stainless steel piston stabilizer ring onto piston head
5.3 5.1
5.4
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