Bühler 2895 Manual De Usuario

bühler 

 

 

Allied Front-End Loader 

- 29 - 

P4410     

Quick couplers leaking 

Hydraulic oil too heavy. 
Oil filter plugged. 
Hydraulic pump worn. 
Oil line restricted or leaking. 

Control valve does not shift 
properly. 
Air in hydraulic system. 

Cylinder leaks internally. 
Faulty valve. 

Air leak in pump inlet line. 
Air in hydraulic system. 
Oil level too low. 

Worn bushings and/or pins. 

Inlet line restricted or leaking. 

Oil level too low. 
Pump worn or damaged. 

Damaged fitting or hoses. 
Loose connections. 
Worn or damaged O-ring wiper 
seal in cylinder rod end. 

Worn or damaged O-rings 
at valve. 
Solenoid or O-rings blown at 
cap or spool ends (Restriction 
on return port or pressure 
plumbed to return port of 
valve). 

Loader slow and/or will not 
dump.

Loader chatters or vibrates 
when raising and lowering. 

Excessive movement at  
pivots. 

Pump noisy. 

Oil leaks. 

Oil Leaks at Valve. 

Check connections and 
compatibility or replace. 
Change or replace filter. 
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. 

Check, tighten or replace inlet line. 
Cycle lift cylinders and bucket 
cylinders.  Add oil as  
required. 

Replace bushings and/or pins. 

Check for air leaks, restrictions or 
collapsed hose.  Tighten or replace 
hose.  Clean filter if necessary. 
Add oil as required. 
Repair or replace pump. 

Replace damaged parts. 
Tighten fittings. 
Install a seal repair kit. 

Install an O-ring repair kit. 

Remove restriction or ensure valve 
is plumbed correctly.