Operation Manual

© 2014-2015 Minuteman International, Inc.
Armadillo 9X Sweeper #4100033 Rev. D 07/15
Page 84
TROUBLESHOOTING CHART
PROBLEM POSSIBLE CAUSE(S) SOLUTION(S)
Engine overheats.
NOTE: If coolant loss has not occurred, check
for malfunction of the temperature sending
unit.
Low coolant level. Supply coolant.
Clogged radiator. Flush radiator.
Loose fan belt. Tighten belt.
Defective thermostat. Replace thermostat.
PowerBoss® 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: See Hydraulics System Problems in
this section.
Motor
Control valve
Gear pump
Relief valve
Little or no vacuum in brush compartment. Filters clogged. Clean lters.
Leak or clog in hose from impeller. Repair leaks; clear obstructions or
replace hose.
Impeller failure. Check and repair.
TROUBLESHOOTING