Toro 23163 Operator's Manual page 19

Problem
Control valve sticking or working g
hard h d
Backhoe operation is spongy or
j jerky y
Possible Causes
g
1. Dirty hydraulic oil
2. Damaged or dirty valve
3. Damaged cylinder
1. Hydraulic fluid level is low.
2. Air in the hydraulic system
3. Hydraulic oil is cold.
4. Pinched hydraulic hose
19
Corrective Action
1. Change the hydraulic oil.
2. Contact your Authorized Toro
Dealer.
3. Contact your Authorized Toro
Dealer.
1. Fill the traction unit hydraulic
tank.
2. Extend the cylinders as far as
possible and hold them in an
extended position for several
seconds.
3. Allow the engine to warm the
oil before operating.
4. Replace the hose.