Toro MH-400 Operator's Manual page 57

Symptom
Locking brakes
Intermittent brakes
Harsh brakes
Noisy brakes
Surging brakes
Dragging brakes
Troubleshooting
Improper brake adjustment
Improper synchronization
Faulty controller
Loose, bent, or broken brake components
Out-of-round brake drums (distorted shape)
Faulty controller
Broken wires
Loose connections
Faulty ground
Under adjustment
Improper synchronization
Faulty controller
Under adjustment
Lack of lubrication
Broken brake components
Incorrect brake components
Oil or grease on magnet or brake linings
Out-of-round or cracked brake drums
Faulty controller
Over adjustment
Out-of-round brake drums
Incorrect brake components
Loose, bent, or broken brake components
Loose wheel bearing adjustment
Cause
Page 51