23
Maintenance
PROBLEM
POSSIBLE CAUSE
SOLUTION
MACHINE
SMOKES WHILE
BURNER UNIT IS
RUNNING OR
UNIT SMOKES AT
COLD-START
ONLY WHEN
BURNER IS OFF
CONTINUED
Low engine RPM
Increase RPM to correct specs. See serial plate
Fuel Pressure is too high for
clean burn (fuel PSI above 140
and below 200) and smokes
when burner is off
Reduce fuel pressure PSI/Increase air band set for
cleaner without max water heat loss
POOR
CLEANING
Improper detergent
concentration or mixing
Mix detergent per manufacturer's instructions.
Ensure that powdered detergents are fully
dissolved.
Wrong detergent for
the application
Select appropriate detergent.
Rinsing with hot water
A final rinse with cold water will reduce water
spotting.
Hotsy 800 OIL FIRED OPERATOR’S 8.921-206.0 - B
IMPORTANT
If the pressure washer demonstrates other symptoms or the corrective actions listed do not
correct the problem, contact the local authorized Hotsy Service Center. The Hotsy Service
Center can be identified by visiting
www.hotsy.com
.
IMPORTANT
When ordering from your dealer, please provide the following:
Model Number: ____________________Release:____________
Machine Serial Number: ________________________________
Component Part Number: _______________________________
Description: __________________________________________
800 OIL-FIRED SERIES OPTIONAL EQUIPMENT
924889 8" Draft Regulator