ghi_tx001465gb.fm
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Maintenance HI 400HD D / HD G
Continued from the previous page.
Inspection
procedure
Follow the procedure below to inspect the heat exchanger.
1. Using a strong light and inspection mirror, inspect the outer shell of the
combustion chamber for cracks or separations.
2. Inspect welded areas.
3. Use the light and mirror to examine the interior of the combustion chamber for
cracks or separations. Also, inspect the burner tube assembly mounting surface
(f) for damage.
4. Have an assistant shine the light over the exterior shell of the combustion
chamber while you peer through the burner mounting hole (g). Look for signs of
light inside the combustion chamber.
Results
Do not use the machine if any of the following conditions exist. Contact Wacker
Neuson Product Support for assistance.
Cracks or separations are discovered in the heat exchanger
Soot is vislble on the exterior (air side) of the heat exchanger
There are cracks or damage to the burner tube assembly mounting surface.
Note: Light surface rust is normal.
Reassembly
Follow the procedure below to reassemble the machine after inspecting the heat
exchanger.
1. Re-install the heat exchanger.
2. Re-install the cover.
3. Re-install the burner tube assembly.
4. Re-install the access cover.
The machine has now been reassembled.
wc_gr008463
g
f
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