Toro 02750 Operator's Manual page 69

1.69
FAULT
Cutterheads fail to start
up when lowered into
work
Cylinders rotate in wrong
direction
TROUBLE SHOOTING
POSSIBLE CAUSE
Faulty seat sensor switch
Low oil level
Diverter valve jammed
Sheared drive shaft
Pressure relief valve jammed open or
wrongly set
Cutting cylinder jammed
Cutting cylinder tight on bottom blade
Cutterhead control valve in the 'off' position
caused by:
- Defective control valve
- Electrical fault
Hoses wrongly connected
Cutterhead drive switch wrongly connected
REMEDY
Check mechanical and electrical operation
of switch
Fill hydraulic oil reservoir to correct level
Free off and lubricate or replace the diverter
valve as necessary
Check motor and cylinder drive shafts and
replace if necessary
Have relief valve cleaned and pressure
checked. Consult your authorised dealer
Free off as necessary
Readjust setting
Overhaul control valve
Have electrical system checked
Check hydraulic circuit and re connect as
necessary
Check switch electrical connections
1.69