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Global Power Technologies MAINTENANCE
302842 Rev0 | Sentinel Page 42 of 61
10. Connect the thermocouple to the connection slot on the bottom of the catalytic heater cartridge face
and the bottom of the safety shut-off valve. Ensure the connection to the valve is wrench tight.
11. Connect the fuel line to the fuel orifice and the elbow connector on the safety shut-off valve.
12. Re-install or replace the three insulation panels that were removed at the beginning of this
installation. The panels ensure proper insulation of the catalytic heater assembly. Do not run the
Sentinel TEG without the insulation panels installed.
WARNING!
Ensure that all three insulation panels for the catalytic heater assembly are
installed before starting up the Sentinel TEG.
13. Route the replacement preheater wiring connection through the grommet on the bottom-right of the
electronics enclosure, and up the side to the top of the circuit board, where the harness plugs in to the
receptacle. These wires must be resecured with three cable ties along their length: the first should be
tied about 1.5” outside of the electronics enclosure grommet, the second about 2.5” inside the
electronics enclosure grommet, and the third tied to the cable tie mount inside the upper portion of
the electronics enclosure.
Figure 29 – Catalytic Heater Insulation Panels