
4 86324470 DOMINATOR 500 PSI
How to Use This Manual
This manual contains the following sections:
• How to Use This Manual
•Safety
• Operations
• Maintenance
•PartsList
The HOW TO USE THIS MANUAL section will tell you 
how to find important information for ordering correct 
repair parts.
Parts may be ordered from authorized dealers. When 
placing an order for parts, the machine model and 
machine serial number are important. Refer to the 
MACHINE DATA box which is filled out during the 
installation of your machine. The MACHINE DATA box 
is located on the inside of the front cover of this manual. 
The model and serial number of your machine is 
located approximately where shown.
Model:
Date of Purchase:
Serial Number:
Dealer:
Address:
Phone Number:
Sales Representative:
The SAFETY section contains important information 
regarding hazardous or unsafe practices of the 
machine. Levels of hazards are identified that could 
result in product damage, personal injury, or severe 
injury resulting in death.
The OPERATIONS section is to familiarize the operator 
with the operation and function of the machine.
The MAINTENANCE section contains preventive main-
tenance to keep the machine and its components in 
good working condition. They are listed in this general 
order:
• Maintenance
•Lubrication
• Vacuum Motor Replacement
• Solution Pump Replacement
• Troubleshooting
The PARTS LIST section contains assembled parts 
illustrations and corresponding parts list. The parts lists 
include a number of columns of information:
•REF – column refers to the reference number 
on the parts illustration.
•PART NO. – column lists the part number for 
the part.
•PRV NO. – reference number.
•QTY – column lists the quantity of the part used 
in that area of the machine.
•DESCRIPTION – column is a brief description 
of the part.
•SERIAL NO. FROM – If this column has an (*) 
and a Reference number, see the SERIAL 
NUMBERS page in the back of your manual. If 
column has two asterisk (**), call manufacturer 
for serial number. The serial number indicates 
the first machine the part number is applicable 
to. The main illustration shows the most current 
design of the machine. When a boxed illustra-
tion is shown, it displays the older design.
•NOTES – column for information not noted by 
the other columns.
NOTE: If a service or option kit is installed on your 
machine, be sure to keep the KIT INSTRUCTIONS 
which came with the kit. It contains replacement parts 
numbers needed for ordering future parts.
NOTE: The manual part number is located on the 
lower left corner of the front cover.