Open the FWD or Aft Cargo-Compartment Door with the Hand Pump

TASK 52-30-00-860-003-A
Open the FWD or Aft Cargo-Compartment Door with the Hand Pump

CAUTION: IMMEDIATELY AFTER YOU OPEN THE CARGO COMPARTMENT DOOR, RECORD ON THE WORK CARD ON THE DOOR, THE DATE AND TIME WHEN YOU OPENED IT. IF THE CARGO COMPARTMENT DOOR STAYS OPEN FOR 12 HOURS OR MORE, YOU MUST BLEED THE HYDRAULIC SYSTEM RELATED TO IT. IF YOU DO NOT OBEY THESE PRECAUTIONS, THE DOOR CAN CLOSE SUDDENLY WHEN YOU SET THE DOOR TO "CLOSE". THIS CAN CAUSE DAMAGE TO THE DOOR AND TO THE AIRCRAFT STRUCTURE.

CAUTION: DO NOT OPEN THE CARGO COMPARTMENT DOORS IF THE WIND SPEED IS MORE THAN 40 KNOTS. THIS WILL PREVENT DAMAGE TO THE DOOR OR TO THE AIRCRAFT STRUCTURE.

CAUTION: YOU MUST CLOSE THE CARGO COMPARTMENT DOORS BEFORE THE WIND SPEED IS MORE THAN 65 KNOTS TO PREVENT DAMAGE TO THE DOOR OR TO THE AIRCRAFT STRUCTURE.

ZONE: 825
ZONE: 826

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	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
825	FORWARD CARGO COMPARTMENT DOOR
826	AFT CARGO COMPARTMENT DOOR
134AR, 154AR, 198CB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-30-00-480-001-A	Installation of the Safety Support Equipment
Normal Operation - Aft Cargo Compartment Door ** ON A/C NOT FOR ALL
Normal Operation - FWD Cargo Compartment Door ** ON A/C NOT FOR ALL
Yellow Ground Service Panel
Normal Operation - Aft Cargo Compartment Door ** ON A/C NOT FOR ALL
Aft Cargo-Compartment Door Operation ** ON A/C NOT FOR ALL
FWD Cargo-Compartment Door Operation ** ON A/C NOT FOR ALL
Aft Cargo-Compartment Door Operation ** ON A/C NOT FOR ALL
FWD Cargo-Compartment Door Operation ** ON A/C NOT FOR ALL
Aft Cargo-Compartment Door Operation ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 52-30-00-865-054-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	DOORS/CARGO	1MJ	T12

Subtask 52-30-00-010-052-A

B. Get Access
(1) Open access panel 134AR or 154AR as necessary.
(2) Open access panel 198CB in the area of the belly fairing.
(3) Open, safety and tag this(these) circuit breaker(s):

1MJ.

NOTE: This is necessary to simulate an electrical malfunction of the door control system.

4. Procedure
Subtask 52-30-00-869-053-E ** ON A/C NOT FOR ALL

CAUTION: DO NOT OPEN THE CARGO COMPARTMENT DOORS IF THE WIND SPEED IS MORE THAN 40 KNOTS. THIS WILL PREVENT DAMAGE TO THE DOOR OR TO THE AIRCRAFT STRUCTURE.

A. Manual Opening of the FWD or Aft Cargo-Compartment Door

NOTE: If you put the aircraft nose into the wind, the maximum speed can be 50 knots.

NOTE: Two persons are necessary for this procedure.

(1) Push the handle flap in to release the door handle from the catch of the door structure.
(2) Pull the door handle away and up from the door structure to the fully UNLOCKED position.

NOTE: The unlocked cargo door opens to the vertical position because of the force of gravity.

(3) Move the selector of the control panel to the OPEN position and hold it during the operation of the hand pump.
(4) Put the hand pump lever on the hand pump 3009GM and operate it until the cargo door is fully opened.

NOTE: When the cargo door is fully opened you will feel a large increase in resistance to the hand pump lever.

(5) Install the applicable safety support equipment (Ref. AMM TASK 52-30-00-480-001) to safety the opened cargo door.

Subtask 52-30-00-869-053-F ** ON A/C NOT FOR ALL

CAUTION: DO NOT OPEN THE CARGO COMPARTMENT DOORS IF THE WIND SPEED IS MORE THAN 40 KNOTS. THIS WILL PREVENT DAMAGE TO THE DOOR OR TO THE AIRCRAFT STRUCTURE.

A. Manual Opening of the FWD or Aft Cargo-Compartment Door

NOTE: If you put the aircraft nose into the wind, the maximum speed can be 50 knots.

NOTE: Two persons are necessary for this procedure.

(1) Push the handle flap in to release the door handle from the catch of the door structure.

WARNING: MAKE SURE THAT THE TRAVEL RANGE OF THE CARGO DOOR IS CLEAR BEFORE YOU UNLOCK IT. STAY AFT OF (LEFT OF) THE DOOR WHEN YOU UNLOCK IT BECAUSE IT CAN OPEN SUDDENLY AND CAUSE INJURY.

(2) Pull the door handle away and up from the door structure to the fully UNLOCKED position.

NOTE: The unlocked cargo door opens to the vertical position because of the force of gravity.

NOTE: When the cargo door is fully opened you will feel a large increase in resistance to the hand pump lever.

(5) Install the applicable safety support equipment (Ref. AMM TASK 52-30-00-480-001) to safety the opened cargo door.

Subtask 52-30-00-869-053-K ** ON A/C NOT FOR ALL

CAUTION: DO NOT OPEN THE CARGO COMPARTMENT DOORS IF THE WIND SPEED IS MORE THAN 40 KNOTS. THIS WILL PREVENT DAMAGE TO THE DOOR OR TO THE AIRCRAFT STRUCTURE.

A. Manual Opening of the FWD or Aft Cargo-Compartment Door

NOTE: If you put the aircraft nose into the wind, the maximum speed can be 50 knots.

NOTE: Two persons are necessary for this procedure.

(1) Release the door handle from the catch of the door structure as follows:
(a) Push and hold the push-button.
(b) Push the handle flap.
(2) Pull the door handle away and up from the door structure to the fully UNLOCKED position.

NOTE: The unlocked cargo door opens to the vertical position because of the force of gravity.

NOTE: When the cargo door is fully opened you will feel a large increase in resistance to the hand pump lever.

(5) Install the applicable safety support equipment (Ref. AMM TASK 52-30-00-480-001) to safety the opened cargo door.

5. Close-up
Subtask 52-30-00-410-052-A

A. Close Access
(1) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

1MJ.

(2) Close access panels 134AR or 154AR.
(3) Remove the hand pump lever from hand pump 3009GM and put it in its stowage position.
(4) Close access panel 198CB.

[Rev.10 from 2021] 2026.04.01 01:40:33 UTC