PowerBoss, Inc. Copyright 2010
PB# 4100033 Rev.* 06/10
Armadillo 9X Series Sweeper
Page 13
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Engine will not start or runs
roughly after start.
NOTE: On machines with
LPG fuel, also check the
following:
Battery dead.
Recharge or replace battery.
Machine out of fuel.
Refuel
Fuel filter plugged.
Clean or replace filter.
Fuel line broken or obstructed.
Blow fuel line out with compressed air.
Dirty air filter.
Problems with spark plugs, ignition points,
ignition coil
ignition switch, carburetor,
regulator, wiring harness.
Clean or replace air filter.
Review engine manual at
back of this manual for
maintenance and
troubleshooting procedures.
Tank valve not fully opened.
Open the valve slowly.
Fuel tank type does not match fuel supply. Use the correct tank type for the fuel
supply.
Fuel tank and lines are covered with frost. Open shut-off valve slowly to ¼ open,
start.
Defective vacuum lock-off.
Replace or repair.
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® moves slowly or
does not move.
Parking brake is on.
Release brake.
Directional control pedal jammed,
damaged, or not adjusted properly.
Clear jam or adjust linkage.
Tires skidding from contact with oil or
grease.
Clean tires or drive through a solvent
absorbing substance.
Wheels jammed.
Clear jam.
Low hydraulic fluid level.
Add hydraulic fluid.
Hydraulic fluid temperature too high
and too thin caused by excessive load,
climbing, high environment temperatures,
worn pump, or improper fluid.
Use the proper weight oil or the operation
conditions; check pump.
Damaged or worn pump drive coupling.
Replace damaged item.
Other problems with the hydraulics
system: pump failure, motor failure, relief
valve leaking or stuck open.
See Hydraulics System Problems in this
section.
PowerBoss® 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
TROUBLESHOOTING AND REPAIR
