Toro 650D Operator's Manual page 72

1.72
TROUBLE SHOOTING
PROBLEM
After initial satisfactory
operation machine loses
power.
Cylinder "knocks" while
rotating.
TROUBLE SHOOTING
Continued.
POSSIBLE CAUSE
Worn pump or motor.
Low hydraulic oil level.
Incorrect oil viscosity.
Oil filter element blocked.
Faulty pressure relief valve.
Overheating.
Leaks on suction hose.
High spot on cylinder or bottom
blade due to contact with foreign
object.
Worn cylinder bearings.
1.72
REMEDY
Replace as necessary.
Fill hydraulic oil tank to cor-
rect level.
Renew oil in hydraulic tank
with hydraulic oil of correct
viscosity grade, refer - SPEC-
IFICATIONS.
Change filter element.
Have relief valve cleaned and
pressure checked. Consult
your Toro dealer.
Check cylinder to bottom
blade adjustment. Reduce
workrate i.e. increase height
of cut or reduce forward
speed.
Incorrect hydraulic oil grade,
refer - Problem 'Hydraulic Oil
System Overheating'.
Check and tighten fittings.
Replace hose if necessary.
Remove high spot with a stone
and backlap to restore cutting
edges. Serious damage will
necessitate regrinding.
Replace as necessary.
111-1033TH051006