Allied Telesis 195 - Manual (Page 19)

Trouble Shooting
PROBLEM POSSIBLE CAUSE REMEDY
Loader slow and/or will not dump. Quick couplers leaking.
Hydraulic oil too heavy.
Oil filter plugged.
Hydraulic pump worn.
Oil line restricted or leaking.
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.
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
raising and lowering.
Excessive movement at pivots
Air leak in pump inlet line.
Air in hydraulic system.
Oil level too low.
Worn bushings and/or pins. Check, tighten or replace inlet line.
Cycle lift cylinders and bucket cylinders.
Add oil as required.
Replace bushings and/or pins.
Pump noisy Inlet line restricted or leaking.
Oil level too low.
Pump worn or damaged.
Check for air leaks, restrictions or collapsed
hose. Tighten or replace hose. Clean
filter if necessary.
Add oil as required.
Repair or replace pump.
Oil leaks. Damaged fittings or hoses.
Loose connections.
Worn or damaged O-ring wiper
seal in cylinder rod end.
Worn or damaged O-rings in valve.
Replace damaged parts.
Tighten fittings.
Install a seal repair kit.
Install an O-ring repair kit.
Insufficient lift capacity Improper hydraulic pump operation. Repair or replace pump.
Load is greater than boom lift capaci 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.
Worn cylinder piston seals. Have authorized dealer replace seals.
Have authorized dealer replace seals.
Excessive wear on bottom oil bucke Float position not used while operati Use float position provided on valve,
and wear pads.
loader.
Hydraulic cylinders inoperative. Hose from control valve improperly
connected.
Referto plumbing diagrams.
Pump operating continually on clos Tractor control valve relief stuck
center tractor hydraulic system. open.
Hydraulic control valve set too low.
See your tractor manual for proper
adjustment or Loader dealer for loader
valve. (3000 PSI is maximum pressure
relief setting recommended.)
Adjust valve in accordance with manual.
Loader lift and bucket tilt controls d Hoses improperly connected,
not work according to decal. Refer to plumbing diagrams
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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