Removal of the Wiper Motor Converter

TASK 30-45-51-000-001-A
Removal of the Wiper Motor Converter

WARNING: MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE OPENED, SAFETIED AND TAGGED.

ZONE: 211
ZONE: 212
FIN: 6DB1
FIN: 6DB2

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT)
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT
211LW, 811

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-13-41-000-002-A	Removal of the Sidewall Panels
TASK 30-45-52-000-002-A	Removal of the Wiper Arm
Wiper Motor Converter

3. Job Set-up
Subtask 30-45-51-865-050-A

A. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
FOR FIN: 6DB1 (MOTOR CONVERTERWIPER, CAPT)
49VU	ANTI ICE/RAIN/RPLNT/CAPT	1DB1	D01
** ON A/C ALL
121VU	COM NAV/RADAR/1	5SQ1	K13
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/2	5SQ2	K14
** ON A/C ALL
122VU	ANTI ICE/WIPER/CAPT	4DB1	X12
FOR FIN: 6DB2 (MOTOR CONVERTERWIPER, F/O)
121VU	COM NAV/RADAR/1	5SQ1	K13
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/2	5SQ2	K14
** ON A/C ALL
122VU	ANTI ICE/F/O/WIPER	4DB2	W12
** ON A/C NOT FOR ALL
122VU	ANTI ICE/RAIN/RPLNT/F/O	1DB2	W11

Subtask 30-45-51-010-050-A

B. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position.
(2) Open access door 811.

Subtask 30-45-51-020-050-A

C. Removal of the adjacent components

Wiper Motor Converter

(1) Remove the wiper arm (6) (Ref. AMM TASK 30-45-52-000-002).
(2) In the cockpit, remove sidewall panel 211LW (1) (Ref. AMM TASK 25-13-41-000-002).

4. Procedure
Subtask 30-45-51-020-053-A

A. Disconnection

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.

(1) From the manhole, disconnect the electrical connector (5) from the motor converter (4).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.

Subtask 30-45-51-020-051-A

B. Removal of the Motor Converter

NOTE: Two persons are necessary to remove the motor converter (4).

(1) From the inner side of the cockpit, remove the screws (2) and the washers (3).
(2) Remove the motor converter (4) from the support bracket (7).
(3) From the outer side of the cockpit, remove and discard the O-ring (8).

[Rev.10 from 2021] 2026.04.01 00:31:29 UTC