22
TROUBLE SHOOTING
This Trouble Shooting Chart is provided for reference to possible loader 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.
For further assistance contact your dealer.
PROBLEM POSSIBLE
CAUSE CORRECTION
Lift and Bucket
Cylinders inoperative
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 damaged (kinked)
hoses, etc.
Loader control valve or tractor
main relief valve stuck open.
Check system pressure.
Repair or replace relief valve.
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 tubeline
blockage.
Check for evidence of
damage to hoes or tubelines
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.
Lift and/or bucket
cylinders operate in
wrong direction relative
to control valve lever
position
Hydraulic hoses connected
incorrectly.
Correct hydraulic hose
connections.
Attachment will dump
but will not rollback
Hydraulic circuit connected
incorrectly.
Refer to plumbing diagram on
Page 26 and correct hose
connections.
1
6
Series, Model - 2
816