Extraordinary Maintenance; Introduction; Removing The Boiler Cladding - Ravelli HR EVO 170 Manuel D'installation, D'utilisation Et D'entretien

Rev.1 16/03/2018
ENG
Pag.79

Extraordinary maintenance

These operations must be carried out by a Ravelli Assistance Center.
Do not wait until the components are worn out before replacing them. Replace a worn component before it is
completely broken to prevent any accidents caused by sudden breakage of the components.

INTRODUCTION

Operations on the internal parts of the boiler must be carried out by qualified personnel. Contact the nearest authorised service
centre.

Removing the boiler cladding

Boiler internal parts
Key:
1 - Knob with threaded rod
2 - Turbulator-shaker device exten-
sion pin
3 - Bush locking nut
4 - Pin sliding bush
5 - Upper outer protection
6 - Upper inspection cover
7 - Outer cover
8 - Upper protection
9 - Middle protection
10- Vermiculite internal protection
11- Vermiculite side protection
12- Protection support cover
13- Turbulator support
14- Turbulators
15- Chamber outer thermal protection
16- Heating chamber
17- Ash box
18- Fire door
19- Ash door
20- Safety valve
21- Gasket
22- Inspection cover
use and maintenance manual
HR EVO 170 - 250
Key:
1- Pellet hopper door
2- Central middle covers
3- Side panel
4- Front cover
5- Insulated outer door
6- Rear panel