Removal of the Power Drive Unit

TASK 25-52-26-000-001-A
Removal of the Power Drive Unit

WARNING: DO NOT TOUCH THE POWER DRIVE UNIT:

UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S)
DURING OPERATION TO PREVENT INJURY FROM PARTS THAT TURN.

ZONE: 130
ZONE: 150
FIN: 108MY ** ON A/C NOT FOR ALL
FIN: 110MY ** ON A/C NOT FOR ALL
FIN: 112MY ** ON A/C NOT FOR ALL
FIN: 114MY ** ON A/C NOT FOR ALL
FIN: 115MY ** ON A/C NOT FOR ALL
FIN: 117MY ** ON A/C NOT FOR ALL
FIN: 14MY ** ON A/C NOT FOR ALL
FIN: 15MY ** ON A/C NOT FOR ALL
FIN: 17MY ** ON A/C NOT FOR ALL
FIN: 19MY ** ON A/C NOT FOR ALL
FIN: 22MY ** ON A/C NOT FOR ALL
FIN: 24MY ** ON A/C NOT FOR ALL

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
130	FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX
150	AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
ESPM 204410
Power Drive Unit

3. Job Set-up
Subtask 25-52-26-010-050-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) Open the forward and/or aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(3) Put the ACCESS PLATFORM 2M (6 FT) in position at the opening of the forward and/or aft cargo-compartment door.
(4) Put the WARNING NOTICE(S) on the control panel of the forward/aft cargo loading system to tell persons not to use it.
(5) Set the light switch to on.

Subtask 25-52-26-865-062-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	SEMI AUTO CLS-FWD	3MY	E08
2000VU	SEMI AUTO CLS-FWD	2MY	E06
2001VU	SEMI AUTO CLS-AFT	103MY	D08
2001VU	SEMI AUTO CLS-AFT	102MY	D06

4. Procedure
Subtask 25-52-26-020-051-C ** ON A/C NOT FOR ALL

A. Removal of the Power Drive Unit (PDU)
(1) Remove the bolts (1) and the washers (2) from the mounting frame (7).
(2) Lift the PDU (3) to get access to the electrical connector (5).
(3) Disconnect the electrical connector (5) from the receptacle (4) ESPM 204410.
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Remove the PDU (3) from roller track (6).

[Rev.10 from 2021] 2026.03.31 23:38:02 UTC