
PowerBoss, Inc. Copyright 2010
PB# 4100033 Rev.* 06/10
Armadillo 9X Series Sweeper
Page 15
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Hydraulic motor failure.
Motor leaking.
Replace seals.
Drive link malfunction.
Replace drive link.
Output shaft malfunction.
Replace output shaft and bearings.
Hydraulic gear pump failure.
Pump leaking.
Replace seals or RR Pump
Gears worn or scored.
Rebuild pump or RR Pump
Relief valve stuck.
Clean or replace (at control valve).
Oil supply low.
Check and fill.
Oil strainer clogged.
Replace strainer (inside reservoir).
Incorrect oil.
Use recommended viscosity oil.
Damage due to entry of air into hydraulic
system.
Maintain correct hydraulic fluid level in
reservoir. Keep suction hose fittings tight..
Hydraulic variable
displacement pump failure.
Pump leaking.
Replace seals.
Relief valve(s) stuck.
Clean or replace relief valve(s) at the
pump.
Drive coupling malfunction.
Replace defective gears.
Control linkage out of adjustment.
Check to see if linkage is binding
unfastened.
Charge pump gears worn or scored.
Replace defective gears.
Damage due to entry of air into hydraulic
system.
Maintain correct hydraulic fluid level in
reservoir. Keep suction hose fittings tight.
Hydraulic system noisy.
Air in system.
Check fluid level in reservoir; check for
loose connections or leaks.
Relief valve dirty or damaged.
Clean or replace.
Loose suction line.
Tighten fittings.
Clogged section filter or pump inlet line.
Replace filter, clear line; change fluid in
reservoir if dirty and flush system.
Internal pump or motor damage.
Inspect and repair.
TROUBLESHOOTING AND REPAIR