OPERATION

11. Troubleshooting Guide

TROUBLE

POSSIBLE CAUSE

POSSIBLE REMEDY

 

 

 

Loader slow or will not lift

Hydraulic oil too heavy.

Change to proper oil.

and/or dump

Oil filter plugged.

Clean or replace filter.

 

 

Hydraulic pump worn.

Repair or replace pump.

 

Oil line restricted or leaking.

Check all hoses and tubes for leaks,

 

 

damage or restrictions. Replace

 

 

damaged or restricted hoses or tube

 

 

oil lines.

 

Control valve does not shift

Inspect, clean, repair or replace

 

properly.

valve.

 

Air in hydraulic system.

Cycle lift cylinders and bucket

 

 

cylinders several times to free

 

 

system of air.

 

Cylinder leaks internally.

Replace seals.

 

Faulty relief valve (tractor).

Clean and replace relief valve.

 

 

 

Loader chatters or

Air leak in pump inlet line.

Check, tighten or replace inlet line.

vibrates when raising

 

 

or lowering.

Air in hydraulic system.

Cycle lift and bucket cylinders.

 

 

Oil level too low.

Add oil as required.

 

Faulty relief valve (tractor).

Replace relief valve.

 

 

 

Oil Leaks

Loose connections.

Tighten fittings.

 

Defective fittings or hoses.

Replace defective parts.

 

Worn or damaged o-ring

Install a seal repair kit.

 

or wiper seal in cylinder

See “Cylinder Service”.

 

rod end.

 

 

Worn or damaged o-rings

Install an o-ring repair kit.

 

in valve.

 

1945 01/11

Operation Section 4-43

© 2011 Alamo Group Inc.

OPERATION

Page 89
Image 89
Bush Hog 1945 manual Troubleshooting Guide, Trouble Possible Cause Possible Remedy