Buhler 595 manual Trouble Shooting, POSSlBLE Cause

Trouble Shooting

PROBLEM	POSSlBLE CAUSE	REMEDY
Loader slow and/or will not dump.	Quick couplers leaking.	Check connections and compatibility or
		replace.
	Hydraulic oil too heavy.	Change or replace filter.
	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 lines.
	Control valve does not shift properly.	Inspect, clean, repair or replace valve.
	Air in hydraulic system.	Cycle lift cylinders and bucket cylinders
		several times to free system of air.
	Cylinder leaks internally.	Replace seals.
	Faulty valve.	Repair or replace valve.
Loader chatters or vibrates when	Air leak in pump inlet line.	Check, tighten or replace inlet line.
raising and lowering.	Air in hydraulic system.	Cycle lift cylinders and bucket cylinders.
	Oil level too low.	Add oil as required.
Excessive movement at pivots	Worn bushings and/or pins.	Replace bushings and/or pins.
Pump noisy	Inlet line restricted or leaking.	Check for air leaks, restrictions or collapsed
		hose. Tighten or replace hose. Clean
		filter if necessary.
	Oil level too low.	Add oil as required.
	Pump worn or damaged.	Repair or replace pump.
Oil leaks.	Damaged fittings or hoses.	Replace damaged parts.
	Loose connections.	Tighten fittings.
	Worn or damaged O-ring wiper	Install a seal repair kit.
	seal in cylinder rod end.
	Worn or damaged O-rings in valve.	Install an O-ring repair kit.
Insufficient lift capacity	Improper hydraulic pump operation.	Repair or replace pump.
	Load is greater than boom lift capacity.	Check loader specifications.
	Internal boom cylinder leakage.	Replace any worn parts and install
		a seal repair kit.
	Improper hydraulic valve operation.	Repair or replace valve.
Slow leakdown.	Worn control valve.	Have authorized dealer replace seals.
	Worn cylinder piston seals.	Have authorized dealer replace seals.
Excessive wear on bottom oil bucket	Float position not used while operating	Use float position provided on valve.
and wear pads.	loader.
Hydraulic cylinders inoperative.	Hose from control valve improperly	Refer to plumbing diagrams.
	connected.
Pump operating continually on closed	Tractor control valve relief stuck	See your tractor manual for proper
center tractor hydraulic system.	open.	adjustment or Loader dealer for loader
		valve. (3000 PSI is maximum pressure
		relief setting recommended.)
	Hydraulic control valve set too low.	Adjust valve in accordance with manual.
Loader lift and bucket tilt controls do	Hoses improperly connected.	Refer to plumbing diagrams
not work according to decal.		and correct hose connections.
Valve noisy and/or hot	Open center control valve on closed	Replace relief valve with closed center plug
	center tractor.	and plug the power beyond adapter on valve.
Tractor loads/pump squeals	Closed center control valve on open	Install open center plug on optional valve.
	center tractor.	Replace closed center plug with relief and
		install short plug in place of power beyond
		adapter.

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