Inspection and testing of the parking brake

1. Check the customer's complaint by applying the parking brake system.

2. Perform a visual check for obvious signs of mechanical and electrical damage.

Visual Inspection Table

Mechanical factors	Electrical Factors
– Parking brake lever – Rope and rope sheath	– Parking brake control circuit. See Section 413-01 for more information.

3. If an obvious cause for a reported or received complaint is identified, resolve it before proceeding to the next steps (if possible).

4. If the problem is not obvious, check the symptoms and refer to the Symptoms Chart.

Symptom table

State	Possible Causes	Action
•Parking brake cannot be applied	• Parking brake lever. • Rope and cable sheath.	•GO to Pinpoint Test A.
•Parking brake cannot be released	• Parking brake lever. • Rope and cable sheath.	•GO to Pinpoint Test B.