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6 -
TROUBLESHOOTING###_8_###
SYMPTOM(S)
Front loader and bucket - Troubleshooting
Problem
Loader is slow or will not
lift and/or dump.
Loader chatters or
vibrates when raising
or lowering.
Pump is noisy
Bucket tines bend or
break
Excessive wear on bucket
cutting edge.
6 - TROUBLESHOOTING
Possible Cause
Hydraulic oil too heavy.
Tractor hydraulic filter plugged.
Tractor hydraulic pump worn.
Oil line restricted or leaking.
Faulty hydraulic quick couplers.
Control valve does not shift properly.
Air in hydraulic system.
Tractor diverter valve in wrong position.
Cylinder leaks.
Hydraulic plumbing incorrect.
Faulty tractor hydraulic relief valve.
Mechanical binding of pivot areas.
Air leak in inlet line.
Air in hydraulic system.
Oil level too low.
Inlet line restricted or leaking
Oil level too low.
Pump worn or damaged.
Only a few tines were under the load.
Bucket is riding on cutting edge instead of
wear pads.
Change to proper oil ( or for cold weather
operation).
Replace filter.
Repair or replace pump.
Check all hoses and tubes for leaks, dam-
age, or restrictions. Replace damaged or
restricted hoses or tube lines.
Check hose couplers for leaks, damage, or
restrictions.
Inspect, clean, repair, or replace control
valve.
Cycle lift cylinders and bucket cylinders
several times to free system of air.
Turn diverter valve.
Replace seals.
Recheck plumbing.
Clean or replace relief valve.
Clean pivot pins.
mended.
Check, tighten, or replace inlet line.
Cycle lift cylinders and bucket cylinders.
Add oil as required ( or for cold weather
operation).
Check for air leaks, restrictions, or a col-
lapsed hose.
Change filter if necessary.
Add oil as required.
Repair or replace pump.
Be sure three or more tines are under the
load.
Use boom "FLOAT" position or bucket level
indicator to ensure bucket rides on wear
pads.
6-1
Correction
Grease as recom-
Tighten or replace hose.
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