Gentherm Global Power Technologies 9-3
P-5050
62553 Rev.8
ii)
Change in Air Flow
Check for obstructions at the cooling fins and the air lid screens. Adjust
the air shutter, see Adjustment section. If this returns the measured
voltage to within 0.1 V of required Vset proceed with Routine Service,
Section 9.1.3.
iii)
Change in Fuel Quality
In order to maintain a constant output power it is essential that the TEG
be supplied with a constant heating value fuel. Proceed with Routine
Service, Section 9.1.3.
If the above causes have been ruled out the TEG may require more than just
routine servicing. Keep the TEG operating for now and see the Troubleshooting
section for guidance.
9.1.3 Routine Service
Basic annual servicing is all that is required unless other maintenance is indicated by the
V
set
evaluation.
Follow these steps to perform a routine annual service:
a)
Stop the TEG and pause to let cool. See Startup and Shutdown Section 6.
b)
Drain the pressure regulator sediment bowl. See Draining the Sediment Bowl Section
9.2.1.
c)
Replace the fuel filter in the pressure regulator. See Fuel Filter Replacement Section
9.2.2.
d) Check the fuel orifice for clogging and replace if necessary. See Fuel Orifice
Replacement Section 9.2.3.
e)
Remove any debris, sand or dust from the cooling fins, air lid screens and cabinet
interior. See Air Lid Screens Cleaning Section 9.3.1.
f)
Check all bolts and wire connections for tightness.
g)
Start the TEG. See Startup and Shutdown Section 6.
h)
Check V
set
, record and adjust if necessary. See Power Output Evaluation Section
7 and Adjustment Section 8, as applicable. Record the final setup in the TEG
Performance Log before leaving site.
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