One thermal fuse on Parking Brake Control Valve is out.

TASK 32-45-00-810-807-A
One thermal fuse on Parking Brake Control Valve is out.

1. Possible Causes

CTL VALVE-PARK BRK,ELEC. [72GG]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 32-45-00-710-001	Operational Check of the Parking Brake System
AMM 32-45-51-000-001	Removal of the Parking-Brake Electrical Control-Valve
AMM 32-45-51-400-001	Installation of the Parking-Brake Electrical Control-Valve

3. Fault Confirmation
Subtask 32-45-00-710-058-A

A. Test
(1) On the parking-brake electrical control valve 72GG make sure that one thermal fuse is out (you can see the white tape through the transparent cover).

4. Fault Isolation
Subtask 32-45-00-810-056-A

A. If one thermal fuse is out:
(1) Remove the related transparent cover.
(2) Reset the thermal fuse.
(3) Install the related transparent cover.
(4) Do the operational test of the parking brake system AMM 32-45-00-710-001.
(a) If the fault continues:

replace the CTL VALVE-PARK BRK,ELEC. [72GG] AMM 32-45-51-000-001 AMM 32-45-51-400-001.

[Rev.8 from Aug 2018] 2026.04.04 04:31:45 UTC