Machine Maintenance: 10-8
4.0. System attains normal heat but drops o sharply
POSSIBLE CAUSE SOLUTION
4.1. Solution ow at cleaning
tool is too high. Orice in tool
is too large or worn out.
Test ow of tool. Repair or replace as necessary.
4.2. The rpm of machine is
set too low.
Adjust as necessary.
4.3. Recirculation orice
plugged, giving incorrect
reading at gauge.
Clean lter screen and inspect orice. Clean or replace
as necessary.
4.4. Cleaning solution
pressure is too high.
Adjust pressure to normal. Inspect pressure gauge for
accurate reading.
4.5. Hard water deposits are
in the system.
Descale system as directed in this Owner’s Manual
(see page 10-4).
Miscellaneous
1.0. Vehicle radiator overows into coolant overow container while machine is in
use.
POSSIBLE CAUSE SOLUTION
1.1. Internal leak in coolant
heat exchanger.
Pressure test each heat exchanger separately to
determine which heat exchanger is faulty. This process
requires heated water and high pressure to simulate
the same conditions that are causing the leak. Refer to
qualied service technician if necessary.