Nozzle Placement; Installation/Removal Of Drawer Assembly - Riello 40 F5 Installation & Operating Manual

NOZZLE PLACEMENT
A) Determine the proper firing rate for the boiler or fumace units, considering the specific application, and then
use the Burner Setup charts on page 15 to select the proper nozzle and pump pressure to obtain the required
input from the burner.
B) Remove the NOZZLE ADAPTER (2) from the DRAWER
ASSEMBLY by loosening the SCREW (1).
C) Insert the proper NOZZLE into the NOZZLE ADAPTER
and tighten securely (Do not over tighten).
D) Replace adapter, with nozzle installed, into drawer
assembly and secure with screw (1).
INSTALLATION/REMOVAL OF DRAWER ASSEMBLY
Removal:
A) Loosen offoil delivery tube nut from pump.
B) Loosen SCREW (3), and then unplug CONTROL BOX (1) by carefully pulling it back and then up.
C) Remove the AIR TUBE COVER PLATE (5) by loosening the retaining SCREW (4) (Two SCREWS -
Model F5).
D) Loosen SCREW (2), and then slide the complete drawer assembly out of the combustion head as shown.
E) To insert drawer assembly, reverse the procedure in items A to D above.
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Standard 40 F3-F5 I-O manual Rev4 l.doc Page l0 of l0