Buhler 2895E manual Trouble Shooting, Problem, Possible Cause, Remedy

bühler

Allied Front-End Loader

TROUBLE SHOOTING

Problem

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.

Possible Cause

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).

Remedy

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.

- 29 - P4493