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Troubleshooting
This Trouble Shooting Chart is provided for reference to possible backhoe operational problems. Determine the problem that
best describes the operational problem being experienced and eliminate the possible causes as listed by following the
correction procedures.
PROBLEM
POSSIBLE CAUSE
CORRECTION
Swing, Boom,
Dipperstick and
Bucket Cylinders Not
operating properly
Low hydraulic fluid level.
Check and replenish hydraulic fluid.
Hydraulic hoses connected
improperly
Check and correct hydraulic hose
connections
Hydraulic hoses to/from
control valve blocked
Check for damage (kinked) hoses, etc
Backhoe control valve or
tractor main relief valve stuck
open
Check system pressure. Repair or replace
relief valve. Refer to the Tractor Operator's
Manual
Low system pressure supplied
from hydraulic pump
Check system pressure. Repair or replace
pump
Control valve linkage broken
Inspect. Repair as required
Quick disconnect
coupler(s) are not fully
connected or "Flow Check"
Check coupler connections. Replace
coupler(s) if necessary
Hydraulic hose or tube line
blockage
Check for evidence of damage to hoses or
tube lines that would block flow of oil
between cylinders and control valve
Cylinder piston assembly
defective (not sealing)
Check cylinders for internal leakage as
described in service section under
cylinder leakage tests.
Control valve blockage
Inspect for blockage. Disassemble valve if
necessary.
Cylinders operate in
wrong direction
relative to control
valve lever position
Hydraulic hoses connected
incorrectly
Correct hydraulic hose connections
