Systems Troubleshooting
-
8-2
Steamatic 8800 TMU
HeatIng SyStem
the truckmount overheats and shuts down
1.
1.1. faulty sensor
Inspect the engine overheat switch and test for
functionality.
unable to achieve normal cleaning solution temperature
2.
2.1. Temperature control
knob is turned down.
Inspect the knob. Adjust if necessary.
2.2. The thermovalve is
faulty.
Inspect the thermovalve and test for functionality.
2.3. excessive solution
flow at tool.
The cleaning tool jet is too large or worn. Inspect the jet.
Replace if necessary.
2.4. The heat exchanger
has hard water scale
buildup.
Descale the system.
2.5. The heat exchanger
has blockage on the inlet
side.
Inspect the interior of heat exchanger. Remove the debris
and clean as necessary.
2.6. The heat selector
valve is in the wrong
position.
Move the heat selector valve to the "HoT" position.
Summary of Contents for Steamatic 8800 TMU
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Page 76: ...Water and Chemical System 6 8 Steamatic 8800 TMU Figure 6 6 Exhaust Flow Diagram 7459...
Page 78: ...Electrical System 7 2 Steamatic 8800 TMU Figure 7 1 Electrical Schematic 7458 Rev B...
Page 82: ...Electrical System 7 6 Steamatic 8800 TMU...