Multiquip WRS5200 (ORIGINAL COPY) - Manual (Page 57)

wrs5200 hydraulic roller screed • operaTion manual — rev. #1 (10/22/10) — page 57
Table 8. pressure washer Troubleshooting
symptom possible problem solution
Low discharge.
The pump is not primed. Prime the pump.
Air leaks in the suction line.
Check for air leaks and reseal the inlet
fittings.
Blocked or clogged line strainer.
Inspect the strainter and remove any
debris from the strainer screen.
Undersize or collapsed suction line.
The suction line should be the same
diameter or larger than the inlet port of
the pump.
Bypass adjustment screw in the
hydraulic motor is not properly set.
Turn the bypass adjustment screw
(located on the side of the hydraulic
motor) clockwise until the desired
output is attained.
Hydraulic system overheating.
Bypass adjustment screw is set to
bypass too much oil.
Turn the bypass adjustment screw
(located on the side of the hydraulic
motor) clockwise until the desired
output is attained.
Improper metering orifice has been
installed on the pressure port.
Install the proper size metering orifice.
Hydraulic hose size is too small.
Hydraulic hose must be at least 1/2
inch diameter. For large open center
systems, it must be at least 3/4 inch
diameter.
trOubleShOOtinG (preSSure WaSher)