11
Figure 4A: Partial Front View - Burner Swing Door Mounted to Boiler - Fully Closed and Secured
Step 2.
Loosen and remove right side latching
hardware (5/16" x 1-3/4" lg. tap bolt and
washer).
Step 3.
Remove left side latching hardware (5/16" x
1-3/4" lg. tap bolt and washer).
Step 4.
Disconnect burner power cord from
receptacle located in lower right corner of jacket
front panel.
Step 5.
Door can be swung to the fully open
position, approximately 90° to 120°, with the
burner mounted providing that there is 19" of
clearance to the adjacent wall, see Figure 1.
NOTE:
If reduced clearance prevents the door
from opening fully, one of the following can
provide full access:
a. Burner can be removed to allow full rotation
of door.
b. Door with burner mounted can be lifted
off mounting bracket and set aside during
servicing.
c. The door mounting hardware is reversible
from left side hinge (as shipped) to right side
hinge.
To reverse hinge arrangement (see Figure
4A):
•
Lift door off mounting bracket and set
aside.
•
Remove mounting bracket and hardware
from left side.
•
Remove upper jacket front panel retaining
screw (5/16" x 1/2" lg. Phillip Pan head
machine screw) from right side of door
and re-install in vacated upper mounting
bracket tapping. Do not tighten.
•
Move lower jacket panel retaining screw
from right side to left tapping. Do not
tighten.
•
Rotate door mounting bracket 180°.
Insert 5/16" cap screw through top hole in
bracket and install in upper vacated jacket
hole on right side of door.
•
Install second 5/16" cap through bracket
hole into lower vacated tapping on right
side.
•
Tighten both sets of hardware to secure
jacket and mounting bracket.
•
Lift door and place integral cast hinge
pins on door into slotted mounting bracket
holes.
2. Perform routine inspection, service or cleaning as
necessary.
3. To close Burner Swing Door (see Figures 4A and
4B):
Step 1.
From the fully open position, rotate Burner
Swing Door to the closed position.
Step 2.
If necessary, place your right hand under
the burner air tube to lift upward. Lift the
door up unto the built-in cast ramp/door rest
Summary of Contents for MPO Series
Page 6: ...6 Figure 1 MPO 84 Thru MPO 231 Water Boiler ...
Page 22: ...22 Figure 13A Water Boiler Piping for Circulator Zoned Heating System Supply Side Circulator ...
Page 38: ...38 Figure 27 L1 L2 and V1 Head Electrode Positioning and Gun Setting Beckett AFG ...
Page 49: ...49 SERVICE RECORD DATE SERVICE PERFORMED ...
Page 50: ...50 Bare Boiler Assembly ...
Page 52: ...52 Bare Boiler Assembly ...
Page 54: ...54 Jacket Assembly ...
Page 56: ...56 MPO84 Thru MPO231 Water Boilers Trim and Controls ...
Page 58: ...58 Beckett AFG Burner ...
Page 61: ...61 Figure A2 LWCO Location ...