Toro 23106 Manuel De L'utilisateur page 16

Troubleshooting
Problem
The backhoe does not operate.
The backhoe is operating slowly.
The backhoe fails to hold up a load (all
loads will normally settle down over a long
period of time).
The hydraulic fluid is leaking.
The swing cylinder is malfunctioning.
The control valve sticking or working hard.
The backhoe is spongy or jerky during
operation.
Possible Cause
1. The hydraulic coupler not completely
connected.
2. The auxiliary-hydraulics valve on the
traction unit is not fully engaged.
3. The transport pins were not removed.
4. The hydraulic-fluid level is low.
5. A hydraulic coupler is damaged.
6. A hydraulic hose is obstructed.
7. A hydraulic hose is pinched.
8. The auxiliary-hydraulic valve on the
traction unit is not opening.
9. A hydraulic coupler not completely
connected
10. A piston rod is bent.
11. The seat switch is not functioning
properly.
12. The operator is not sitting in the seat.
13. The e-stop button is activated.
1. The hydraulic fluid is cold
2. The engine speed is too slow.
3. A hydraulic hose is pinched.
4. A cylinder is bent.
5. The hydraulic pump is damaged.
1. A hydraulic hose is damaged.
2. A cylinder is damaged.
3. A control valve is damaged.
1. A hydraulic hose is damaged.
2. The hydraulic system is damaged.
1. There are damaged cylinders or swing
restrictors.
1. The hydraulic fluid is dirty.
2. A valve is damaged or dirty.
3. A cylinder is damaged.
1. The hydraulic-fluid level is low.
2. There is air in the hydraulic system.
3. The hydraulic fluid is cold.
4. A hydraulic hose is pinched.
14
Corrective Action
1. Check and tighten all couplers.
2. Engage the valve.
3. Remove the pins.
4. Fill the traction unit hydraulic tank.
5. Check the couplers and replace any
that are defective.
6. Find and remove the obstruction.
7. Replace the hose.
8. Repair the valve.
9. Check and tighten all couplers.
10. Contact your Authorized Service
Dealer.
11. Check the seat switch connections.
12. Sit in the seat to operate the backhoe.
13. Reset the emergency stop button.
1. Allow the engine to warm the hydraulic
fluid before operating.
2. Increase the throttle speed of the
traction unit.
3. Replace the hose.
4. Contact your Authorized Service
Dealer.
5. Contact your Authorized Service
Dealer.
1. Replace the hose.
2. Contact your Authorized Service
Dealer.
3. Contact your Authorized Service
Dealer.
1. Replace the hose.
2. Contact your Authorized Service
Dealer.
1. Contact your Authorized Service
Dealer.
1. Change the hydraulic fluid.
2. Contact your Authorized Service
Dealer.
3. Contact your Authorized Service
Dealer.
1. Fill the hydraulic tank on the traction
unit.
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 hydraulic
fluid before operating.
4. Replace the hose.