Deactivation of the Windshield Wiper - FAA Operators Only

TASK 30-45-00-040-006-A
Deactivation of the Windshield Wiper - FAA Operators Only

1. Reason for the Job
MMEL 30-45-01
WINDSHIELD WIPER SYSTEMS (FAA ONLY)
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)

3. Job Set-up
Subtask 30-45-00-861-059-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

4. Procedure
Subtask 30-45-00-865-075-A

A. Table of the circuit breakers used in this procedure:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 307DM (ARMWIPER, CAPT)
122VU	ANTI ICE/WIPER/CAPT	4DB1	X12
FOR FIN: 306DM (ARMWIPER, F/O)
122VU	ANTI ICE/F/O/WIPER	4DB2	W12

Subtask 30-45-00-040-054-A

B. Deactivation of the Windshield Wiper - FAA Operators Only
(1) If the windshield wiper on the CAPT side operates continuously:
(a) Open the circuit breaker when the windshield wiper is in a position that gives a clear flight crew visibility:
1 Open this(these) circuit breaker(s):

4DB1.

(2) If the windshield wiper on the F/O side operates continuously:
(a) Open the circuit breaker when the windshield wiper is in a position that gives a clear flight crew visibility:
1 Open this(these) circuit breaker(s):

4DB2.

5. Close-up
Subtask 30-45-00-941-070-A

A. Safety Precautions
(1) Put an applicable placard in position in the cockpit (refer to your standard practices and local regulations).
(2) Make an entry in the logbook.

Subtask 30-45-00-862-058-A

B. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 00:31:06 UTC