Commander T Series PB# 4100032
Rev.C 03/12
PowerBoss, Inc. Copyright 2011
Page 91
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
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 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