Attachment/Loader Problems
Problem
Possible Cause
Corrective Action
A mechanical problem exists with
the attachment cylinder or motor
application that affects operation
(example: binding or worn pivots, arms,
linkage or couplings).
Inspect attachment components and
repair or replace if necessary.
Relief valve in auxiliary load valve is
stuck, leaking or damaged.
Clean the relief valve and replace the
seals.
If a selector control valve kit (optional)
is installed:
– An electrical problem exists in the
selector control solenoid valve circuit.
Test and replace the valve solenoids if
necessary.
Test the machine wire harness selector
control solenoid valve circuit.
– Selector control solenoid valve(s) are
stuck, leaking or faulty.
Clean the solenoid valve(s) and replace
the seals.
Replace the solenoid valve if necessary.
Attachment cylinder or motor is worn
or damaged.
Test and repair or replace the
attachment cylinder or motor if
necessary.
Auxiliary load valve is worn or
damaged.
Repair or replace the auxiliary load
valve.
Attachment cylinder or motor operates
poorly or is inoperative.
Gear pump (P3) is worn or damaged.
Verify gear pump (P3) performance;
refer to Gear Pump (P3) Flow Test in
the Hydraulic System chapter of this
manual.
Attachment cylinder or motor operates
in reverse.
Hydraulic hoses to the steering
cylinders are connected incorrectly.
Correct hydraulic hose connections.
A mechanical problem exists with the
loader cylinder that affects operation
(example: binding or worn pivots, arms,
linkage or couplings).
Inspect loader components and repair
or replace if necessary.
Relief valve in auxiliary load valve is
stuck, leaking or damaged.
Clean the relief valve and replace the
seals.
If a selector control valve kit (optional)
is installed:
– An electrical problem exists in the
selector control solenoid valve circuit.
Test and replace the valve solenoids if
necessary.
Test the machine wire harness selector
control solenoid valve circuit.
– Selector control solenoid valve(s) are
stuck, leaking or faulty.
Clean the solenoid valve(s) and replace
the seals.
Replace the solenoid valve if necessary.
Loader cylinder is worn or damaged.
Test and repair or replace the loader
cylinder if necessary.
Auxiliary load valve is worn or
damaged.
Repair or replace the auxiliary load
valve.
Loader valve is worn or damaged.
Repair or replace the loader valve.
Loader cylinder operates poorly or is
inoperative.
Gear pump (P3) is worn or damaged.
Verify gear pump (P3) performance;
refer to Gear Pump (P3) Flow Test in
the Hydraulic System chapter of this
manual.
Loader cylinder operates in reverse.
Hydraulic hoses to the steering
cylinders are connected incorrectly.
Correct hydraulic hose connections.
Outcross 9060
Page 3–33
Troubleshooting: Attachment/Loader Problems
18234SL Rev B
Содержание 07511AA
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