Diesel Data: Automotive Repair

Battery: Testing and Inspection

Battery Inspection

Common Causes of Failure
The following are the most common causes of battery failures.
- Accessories left on overnight or for an extended period without the generator operating.
- Driving at slow speed for short periods.
- Electrical load exceeds generator output particularly due to additional fitting of aftermarket equipment.
- Defects in charging system Symptom Related Diagnostic Procedures.
- Including failure to keep terminals clean or making hold-down clamps too loose or too tight.
- Mechanical problems in electrical system such as short-circuited or pinched wires.
- Deterioration of battery due to long-term use.
- Deterioration of battery due to long-term storage. Visual Inspection Check for visible damage, such as a cracked or broken case or cover, which may lead to loss of electrolyte. If visible damage is noted, replace battery. Determine cause of damage and make repairs as needed.

Visual Inspection
Check for visible damage, such as a cracked or broken case or cover, which may lead to loss of electrolyte. If visible damage is noted, replace battery. Determine cause of damage and make repairs as needed.