Troubleshooting - Bush Hog 2347 QT Operator's Manual

4-4 TROUBLESHOOTING

Troubleshooting procedures are listed in Table 4-1.
If the problem cannot be solved or replacement parts
are necessary, contact your authorized Bush Hog
TABLE 4-1 TROUBLESHOOTING PROCEDURES
PROBLEM
Loader slow and/or will not dump.
Loader chatters or vibrates when
raising or lowering.
Oil leaks.
Insufficient lift capacity.
Slow leakdown.
Excessive wear on bottom of bucket
and wear pads.
Hydraulic cylinders inoperative.
Pump operating continually on closed
center tractor hydraulic system.
Loader lift and bucket tilt controls do not work
according to decal.
Valve noisy and/or hot.
Tractor loads/pump squeals.
dealer. Please have ready your machine name,
model number, serial number, purchase date and
exact cause or description of problem.
POSSIBLE CAUSE
Hydraulic oil to heavy.
Oil filter plugged.
Hydraulic pump worn.
Oil line restricted or leaking.
Quick couplers not properly connected. Check connection - Replace if necessary.
Control valve does not shift properly.
Air in hydraulic system.
Cylinder leaks internally.
Faulty valve.
Air in hydraulic system.
Oil level too low.
Damaged fittings or hoses.
Loose connections.
Worn or damaged O-ring or
wiper seal in cylinder rod end.
Worn or damaged O-rings in
valve.
Load is greater
than boom lift capacity.
Internal boom cylinder leakage.
Improper hydraulic valve
operation.
Worn control valve.
Worn cylinder piston seals.
Float position not used while
operating loader.
Hose from control valve improperly
connected.
Hydraulic control valve relief stuck
open.
Hydraulic control valve relief set
too low.
Hoses improperly connected.
Open center control valve on
closed center tractor.
Closed center control valve on open
center tractor.
20
REMEDY
Change to proper oil.
Clean or replace filter.
Repair or replace pump.
Check all hoses and tubes for leaks,
damage or restrictions. Replace
damaged or restricted hoses or tube lines.
Inspect clean, repair or replace valve.
Cycle lift cylinders and bucket cylinders
several times to free system of air.
Replace seals.
Repair or replace valve.
Cycle lift cylinders and bucket cylinders.
Add oil as required.
Replace damaged parts.
Tighten fittings.
Install a seal repair kit.
Install an O-ring repair kit.
Check loader specifications.
Check tractor system.
Replace any worn parts and install a seal
repair kit.
Repair or replace valve.
Have authorized Bush Hog dealer replace
seals.
Have authorized Bush Hog dealer replace
seals.
Use float position provided on valve.
Refer to plumbing diagrams in Section V.
See your tractor manual for proper adjust-
ment or Bush Hog dealer for loader valve.
(3000 PSI is maximum pressure relief
setting recommended)
Refer to plumbing diagrams in Section V
and correct hose connections.
Install closed center plug on optional valve.
Install open center plug on optional valve.