Systems Troubleshooting: 8-2
HEATING SYSTEM
1.0 Truckmount overheats and shuts down
Possible Cause
Solution
1.1
The orifice or filter screen
is restricted.
Remove and inspect. Clean as necessary.
1.2 The dump solenoid is
restricted.
Inspect the solenoid and the hose that delivers
water to it. Clean or replace as necessary.
1.3 The dump solenoid is
faulty.
Check the main fuse. If the fuse is blown, inspect
electrical system for worn or shorted wires. Repair
or replace as necessary.
Inspect the solenoid and test for functionality. If the
solenoid is operable, refer to a qualified service
technician to test the temperature controller and
sensor.
2.0 Unable to achieve normal cleaning solution temperature
Possible Cause
Solution
2.1 Temperature control knob
is turned down.
Inspect the knob. Adjust if necessary.
2.2 The dump solenoid is
faulty.
Inspect the solenoid and test for functionality. If the
solenoid is operable, refer to a qualified service
technician to test the temperature controller and
sensor.
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 exhaust
side.
Inspect the interior of heat exchanger. Remove the
debris and clean as necessary.
Summary of Contents for Truckmount to Go TMTG 4000
Page 2: ......
Page 5: ...iii TMTG 4000 Owner s Manual ...
Page 31: ...3 5 Cleaning Information ...
Page 33: ...3 7 Cleaning Information 16 2 Evolution Flood Wand Item 000 163 058 Only 6 8 lbs ...
Page 58: ...6 3 Water and Chemical System Figure 6 1 Flow Diagram View 1 of 3 000 179 038 Rev A ...
Page 59: ...Water and Chemical System 6 4 Figure 6 2 Flow Diagram View 2 of 3 000 179 038 Rev A ...
Page 124: ......