Owner’s Manual
R
PowerBoss, Inc. A Member of the Hako Group ©
2007
PowerBoss
®
CORE 50 Sweeper Scrubber
Page
58
PowerBoss
®
The Power of Clean
PROBLEM
CAUSE
SOLUTION
Machine moves slowly or
does not move (continued).
Other problems with the
hydraulics system: pump
failure, motor failure, relief
valve leaking or stuck open.
See Hydraulics System
Problems in this section.
Tow Valve improperly set.
Turn to correct position.
Machine
creeps in neutral.
Directional control pedal
return spring is out of
adjustment.
Perform the adjustment
procedures.
Brushes do not turn or turn
very slowly.
Hydraulic system problem:
•
Motor
•
Control Valve
•
Gear Pump
•
Relief Valve
See Hydraulics System
Problems in this section.
Little or no vacuum in brush
compartment.
Filters clogged.
Clean filters.
Leak or clog in connection to
impeller.
Repair leaks; clear
obstructions or replace hose.
Wet-sweep bypass engaged.
Turn off.
Electrical fault at solenoid.
Check and repair.
Impeller failure.
Check and repair.
TROUBLESHOOTING (CONTINUED)
