Instruction manual
15
6.  Install jacket top panel. (See Figure 6, Item 2F). 
Place jacket top panel on boiler and secure to front, 
rear and left side panels with #8 x ½” long sheet 
metal screws.
7.  Install jacket right side access panel. (See Figure 
6, Item 2G). Align right side panel mounting holes 
with front and rear panel holes. Secure with #8 x ½” 
long sheet metal screws.
8.  Attach the labels shipped in the instruction envelope 
as follows:
a.  Locate both the Rating Label and Combination 
Warning Label (P/N 101265-01). Remove paper 
backing from the labels and apply to the jacket 
top panel in approximate locations shown in 
(Figure 6, Item 2F).
b.  On steam boilers only; locate Lowest Permissible 
Water Level Plate (Form No. 1204 shipped in 
Steam Trim Carton). Align plate with two 1/8" 
diameter holes located near the front edge; in 
line with the lower sight glass tapping, of the 
jacket right side access panel. Attach plate with 
two (2) #8 x 1/2" long sheet metal screws. (See 
Figure 6, Item 2G).
J.  INSTALL BECKETT OIL BURNER. 
  (See Figure 7).
1.  Check target wall and combustion chamber blanket. 
If any damage or movement occurred during 
shipment, replace as needed.
2.  Locate burner swing door and hinge assembly 
removed in Paragraph I, No. 1. Check the burner 
swing door insulation and rope gasket for damage 
and adhesion. If damaged, replace insulation or 
gasket. If insulation or gasket is loose, reattach to 
swing door with RTV 732 or 736 silicone caulk.
3.  Install burner swing door in reverse order from 
Paragraph I, No. 1. 
4.  Use the following procedure to properly close 
and secure the burner swing door after it has been 
removed and re-installed for Field Assembly 
(Knockdown Boiler) or opened for inspection, 
cleaning or eld service (refer to Figures 13A and 
13B):
Step 1. Lift the door up unto the built-in cast ramp/
door rest (protruding from the bottom of the front 
section casting - see Figure 13A), while rotating 
the articulated hinge and door to the right and 
engaging the slot (on right side of door) unto the 
5/16" stud protruding from the front section.
Step 2. Use one hand to help hold door in position 
by applying pressure directly to the door while 
re-installing the securing hardware with your 
opposite hand. Always install right side 
latching hardware (5/16" ange nut and 
at washer) rst, then install left side hinge 
hardware (5/16" x 3-1/2" lg. hex head ange 
bolt) second.  Apply additional pressure while 
hand tightening the hardware as far as possible, 
then release the pressure.
Figure 7: Oil Burner Installation (Beckett Burner Shown)
SECTION III: KNOCKDOWN BOILER ASSEMBLY (continued)










