Operator's Manual

45
PROBLEM CORRECTIVE ACTIONPOSSIBLE CAUSES
Abnormal vibration. 1. Engine mounting bolts are
loose.
1. Tighten engine mounting bolts.
2. Jackshaft or coring head
bearings worn.
2. Replace bearings.
3. Jackshaft or coring head
components loose or worn
3. Tighten or replace components.
Aerator does not drive. 1. The parking brake is on.
2. Hydraulic fluid level low.
3. The tow valve is open.
4. Hydraulic system is damaged.
1. Release the parking brake.
2. Add hydraulic fluid.
3. Close the tow valve.
4. Contact your Toro Distributor.
Coring head does not drive. 1. Worn clutch.
2. Worn switch or relay.
3. Worn or loose belts.
4. Hydraulic fluid level low.
5. The tow valve is open.
6. Hydraulic system is damaged.
1. Replace clutch
2. Replace switch or relay.
3. Adjust or replace belts.
4. Add hydraulic fluid.
5. Close the tow valve
6. Contact your Toro Distributor.
Head bounces while aerating. 1. Ground is too hard.
2. Relief setting/Restriction orifice.
1. Refer to the operating tips on
page 26.
2. Dynamic response of lift
system. Adjust the system
pressures. Refer to the Service
Manual.
Turf tufting/tearing on entrance
and exit.
1. Mis–adjusted switch bundle.
2. Clutch wear/slippage
1. Adjust the #3 switch. Refer to
the operating tips on page 26.
2. Contact your Toro Distributor
for testing.
Turf tufting/tearing on entrance. 1. Mis–adjusted switch bundle.
2. Head lowers too slowly.
1. Adjust the switch. Refer to the
Service Manual.
2. Check the function of the SVQ
solenoid.
Quad (or mini) tine hole spacing. 1. Holes not evenly spaced. 1. Check the spacing. Refer to the
operating tips on page 26.
Hole tufting with side eject tines. 1. Ejection window catching on
exit.
1. Rotate the tine 45–90_ so it
ejects out the side.
2. Try a hollow tine.