Armadillo 6X and AM7D-III PB# 4100043UM Rev. B 07/20
PowerBoss®, Copyright 2014
Page 77
PowerBoss
®
The Power of Clean
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
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 fl uid level
in reservoir. Keep suction hose fi ttings
tight.
Hydraulic system noisy.
Air in system.
Check fl uid level in reservoir; check
for loose connections or leaks.
Relief valve dirty or damaged.
Clean or replace.
Loose suction line.
Tighten fi ttings.
Clogged section fi lter or pump inlet
line.
Replace fi lter, clear line; change fl uid
in reservoir if dirty and fl ush system.
Internal pump or motor damage.
Inspect and repair.