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li cover up.
9. Push the Control Pod cover to one side, and gently
work the cover retainer hinge on the other side out
of the jacket slot to remove the cover.
10. Remove the limit temperature sensor and P/T gauge
capillary from the wells in top of the boiler back
section.
11. Remove the jacket cross tie by loosening the two
screws securing it to the side panels (Figure 19). Li
the cross tie up and disengage the screws from the
keyholes.
12. Loosen the four (4) 3/8-16 x 1” jacket front screws.
Do not remove the screws.
13. Li the hinge bracket and pull out to disengage the
keyholes from the screws.
14. Remove the four (4) #10 x 3/8” screws securing the
electrical tray to the jacket side panels (Figure 20).
Leave the electrical tray in position.
15. Remove the jacket side panels by pulling back edge
away from the back of the boiler and then disengag-
ing the keyholes from the jacket front screws.
16. Remove the electrical tray, keeping the wiring har-
nesses connected to the jacket cross tie.
17. Remove the insulation blanket.
18. Remove the relief valve and supply piping if already
installed.
19. Loosen the four (4) 3/8–16 screws securing the
jacket back panel to the rear section. e screws are
located at the recessed openings on the jacket back
panel (Figure 21).
20. Li the jacket back panel and pull forward to dis-
engage the keyholes from the screws.
Replacing the jacket
1. To install the jacket, reverse the preceding proce-
dure. Route the power cable as shown in Figure 14,
page 20.
Removing/replacing boiler jacket(cont.)
Part number 550-143-013/0621
31
Series 3
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