PowerBoss, Inc. Copyright 2010
PB# 4100039 Rev.* 06/10
Armadillo 9X Series Sweeper
Page 14
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Little or no vacuum in brush
compartment.
Filters clogged.
Clean filters.
Leak or clog in hose from impeller.
Repair leaks; clear obstructions or replace
hose.
Impeller failure.
Check and repair.
Loss of dust control.
Debris in hose or impeller inlet.
Clean.
Broom skirts or seal worn.
Replace.
Skirt clearance from floor exceeds ⅛”.
Adjust clearance.
Dust control filters clogged.
Clean filters.
Filter seals worn or missing.
Replace.
Poor seal with vacuum gasket.
Visually check and adjust, if necessary.
Sweeper unit leaving debris.
Hopper full.
Dump hopper.
Broom(s) out of adjustment.
Adjust.
Broom bristles worn.
Check broom for wear and adjustment.
Poor performance of broom drive
mechanism.
Check for jam in broom chamber.
Broom lift arms hung up with debris.
Clear out debris.
Hopper flaps damaged or missing.
Replace or adjust clearance.
Hopper out of adjustment.
Check hopper clearance.
Dust control filters clogged.
Clean filters.
Hopper does not raise or
lower.
Hydraulics system problem:
See Hydraulics Systems
Problems in this section.
Control valve
Gear pump
Lift cylinder
Relief valve
Hopper arms binding.
Lubricate or adjust arm linkage.
Hopper lift cylinder failure.
Line to cylinder leaking.
Tighten fittings or replace hose.
Piston seals leaking.
Replace seals.
Bent piston rod.
Replace rod.
Hopper does not rotate or
rotates too slowly.
Hopper load too heavy.
Dump more frequently.
Hydraulics system problem:
See Hydraulics System
Problems in this section.
Control valve
Gear pump
Lift cylinder
Relief valve
Hydraulic control valve failure
Misaligned control linkage.
Align.
Foreign matter in spool bore.
Remove spool and clean bore.
Valve seals Leaking.
Replace seals.
O-rings leaking.
Replace O-rings
Relief valve stuck open.
Clean or replace relief valve.
TROUBLESHOOTING AND REPAIR
