Husqvarna PT 26D Operator's Manual page 132

Problem
Battery does not charge
The machine vibrates
Cause
• One or more battery cells faulty
• Poor contact on the battery terminal cable connectors
• Defective generator
• Generator drive belt broken or slipping
• Breakage on cables to the generator
• Insufficient battery maintenance
• Sulphated battery
• The blades are loose
• Damaged universal joint
• The engine is loose
• The hydraulic pump is loose
• Damaged support bearings for power take off shaft
• The bevel gear is loose
• The engine is not running on all cylinders
• Pulley loose or bearings worn in cutting unit
• One or more blades imbalanced, caused by damage
or poor balancing after sharpening
Trouble Shooting Guide
131