Install Instructions

31
i. Brush top of burners with a soft bristle brush, see
Figure 26. Vacuum burners. Check orices to see
that drilled passageways are free of lint or dirt.
j. Vacuum tip of Pilot Burner.
2. CLEAN FIREBOX by vacuuming. Exercise care
not to disturb insulation inside the base.
3. INSTALL BURNERS by reversing procedure used
to remove burners. Make sure burner with pilot
assembly is in same location as original installation
- see Table 9.
Check burners to see that they are located properly
in slot at rear of burner tray, see Figure 26.
Reinstall injection shield assembly (40mm burners
only, where used) and burner access panel.
Reconnect ame roll-out switch wires, gas valve
wires and pilot lead.
4. CHECK MAIN BURNER and PILOT FLAMES,
see procedure in Section VII Start-up and Checkout,
paragraphs D and E.
E. CHECK ALL CONTROL AND DAMPER
OPERATION ANNUALLY see procedure in Section
VII Start-up and Checkout, paragraphs F through I.
F. REMOVAL OR REPLACEMENT OF PILOT
ASSEMBLY OR PILOT ASSEMBLY PARTS
If pilot assembly or pilot orice spud need replacing,
remove main burner with pilot using procedure
described in paragraph (D).
1. To replace orice spud:
a. Disconnect pilot tubing. The Honeywell Q3481B
pilot orices are spud type retained by the
compression tting. Replace with desired orice
spud. See Key No. 5B in Repair Parts Section.
b. Reconnect pilot tubing and check for leaks.
2. To replace complete pilot assembly.
a. Remove machine screw holding pilot burner to
pilot bracket.
b. Disconnect pilot piping.
c. Disconnect all other leads to pilot.
d. Select pilot assembly with identical model
number, reconnect leads and pilot tubing - re-
secure to pilot bracket.
3. To adjust or check spark gap between electrode and
hood on Honeywell Q3481B pilot.
a. Use round wire gauge to check spark gap.
b. Spark gap should be 1/8 inch for optimum
performance.
4. Reinstall main burner following procedure described
in paragraph D.
G. LUBRICATION
There are no parts requiring lubrication on the part of
the service technician or the User. Circulator bearings
are water lubricated.
Table 9: Pilot Burner Location
Figure 26: Burner Cleaning and Installation
1" Burner
40mm Burner
IX. SERVICE AND MAINTENANCE (continued)
Boiler
Model
Main Burner with
Pilot Bracket *
Pilot Burner Located
Between Main
Burners *
1 Inch 40mm 1 Inch 40mm
202 1 1 1 & 2 ---
202X 1 1 1 & 2 1 & 2
203 1 1 1 & 2 1 & 2
204 2 2 2 & 3 2 & 3
205 3 2 3 & 4 2 & 3
206 4 3 4 & 5 3 & 4
207 6 3 6 & 7 3 & 4
208 7 4 7 & 8 4 & 5
209 8 4 8 & 9 4 & 5
210 9 5 9 & 10 5 & 6
* Main burners numbered left to right as viewed from
front of boiler.