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water boiler
Appendix — Removing/replacing boiler jacket
Removing the boiler jacket
Electrical shock hazard —
procedure assumes the boiler has not been
wired. If the boiler has been wired, you
must disconnect all power to the boiler.
Then label all wires before disconnecting
them at the boiler terminal strip.
The boiler contains fiberglass and ceramic
fiber materials. Use care when handling
these materials, per instructions on page
of this manual. Failure to comply could
result in severe personal injury.
1. See Figures 18 through 1 for jacket components,
hardware and locations.
. Remove jacket front panel (Figure 18).
. If the burner has been installed in the burner
door:
• Remove the burner cover.
• Disconnect the two burner wiring harnesses at the
jacket crosstie (located beneath the burner door).
Failure to disconnect the burner wiring har-
nesses before opening the burner door can
cause damage to the burner and boiler wir-
ing.
• Turn off fuel supply valve(s) and disconnect fuel line(s)
to burner. Place drip pans under ends of lines to catch
any oil.
4. Remove the burner door bolts and washers (Fig-
ure 19).
. Carefully lift the burner door so the door pins lift
out of the hinge bracket (Figure 19). Set the burner
door aside temporarily.
The burner door is heavy. Handle carefully
to avoid potential for personal injury.
Do not damage the burner door insulation
when handling.
6. Loosen the four #10 x /8" screws securing the jacket
top and side panels to the back panel (Figure 0).
7. Remove the jacket top panel.
8. Loosen the Control Pod cover retainer screw and lift
cover up.
0
— Boiler Manual
Figure 18 Jacket components and hardware
The following
Figure 19 Jacket components and hardware
Part number 550-141-986/1005
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