Nozzle Placement; Insertion/Removal Of Drawer Assembly - Riello 40 F10 Installation & Operating Manual

NOZZLE PLACEMENT

A) Determine the proper firing rate
for the boiler or furnace unit, consid-
ering the specific application, then
use the Burner Set-up chart on page
12 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). S7459
C) Insert the proper NOZZLE into the
NOZZLE ADAPTER and tighten securely (Do not overtighten).
D) Replace adapter, with nozzle installed, into drawer assembly and secure with
screw (1).
INSERTION / REMOVAL OF DRAWER ASSEMBLY
A) To remove drawer assembly, loosen SCREW (3), then unplug CONTROL BOX (1)
by carefully pulling it back and then up.
B) Remove the AIR TUBE COVER PLATE (5) by loosening the two retaining
SCREWS (4).
C) Loosen SCREW (2), then slide the complete drawer assembly out of the
combustion head as shown.
D) To insert drawer assembly, reverse the procedure in items A to C above, then
attach fuel line to the pump.
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