Benchmark BW4400, User Manual, Page: 33 / 110

26
BW SERIES
6.1 MAINTENANCE SCHEDULE
Maintain the pressure washer according to the maintenance schedule in this section.
Note
Service more frequently when used in dusty areas.
These items should be serviced by an authorized service center, unless
you have the proper tools and are mechanically proficient. Refer to
manual for service procedures.
Item Task
Each
Use
First
20
Hours
Every
50
Hours
Every
70
Hours
Every
100
Hours
Every
300
Hours
Pressure
washer
General
Inspection
•
Engine
Oil
Inspect Oil Level •
Replace • •*
Pump
Oil
Inspect Oil Level •
Replace • •
Air Filter
Inspection •
Cleaning •
Sediment Cup Cleaning •
Spark Plug
Inspection &
Cleaning
•
Replacement •
Valve
Clearance Inspection &
Adjusting
•
Combustion
Chamber
Inspection &
Adjusting
•
Fuel Tank and
Strainer
Cleaning •
Fuel Line Cleaning Every two months (replace if necessary)
* Every 100 hours or every year, whichever comes first.