Installation of the Mounting Base of the Top Antenna

TASK 23-28-13-400-003-A
Installation of the Mounting Base of the Top Antenna

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:

FLUSH IT AWAY WITH CLEAN WATER
GET MEDICAL AID.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 222
ZONE: 230

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 4M (13 FT)-ADJUSTABLE
No specific	1	ACCESS PLATFORM 6M (20 FT)
No specific	Torque wrench: range to between 33 and 27 lbf.in (0.37 and 0.31 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AAB1)	Polysulfide Sealant-General Purpose Fillet -
(Material No.06ABB1)	Polysulfide Sealant-Fuel Tank Fillet -
(Material No.06ABF1)	Polysulfide Sealant-Fuel Tank Quick Curing -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
222	FWD CAB UTILITY AREA
230	FWD PASSENGER COMPARTMENT
841

D. Referenced Information

REFERENCE	DESIGNATION
TASK 23-28-13-400-001-A	Installation of the Top Antenna
TASK 25-23-41-400-001-A	Installation of the Ceiling Panels
Antenna Mounting Base

3. Job Set-up
Subtask 23-28-13-010-051-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Make sure that the ACCESS PLATFORM 6M (20 FT) is in position at Zone 230.
(2) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at access door 841 in zone 222.
(3) Open access door 841.

4. Procedure
Subtask 23-28-13-420-052-A ** ON A/C NOT FOR ALL

A. Installation of the Mounting Base of the Top Antenna

Antenna Mounting Base ** ON A/C NOT FOR ALL

(1) Clean the component interface and/or the adjacent area with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Install the mounting base (2) with the screws (1).
(3) Torque the screws (1) to between 33 and 27 lbf.in (0.37 and 0.31 m.daN )

.
(4) Apply Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) or Polysulfide Sealant-Fuel Tank Quick Curing - (Material No.06ABF1) on the screws (1).
(5) Apply Polysulfide Sealant-Fuel Tank Fillet - (Material No.06ABB1) around the mounting base (2). Do not apply sealant in the holes that are aft of the mounting base (2).

NOTE: These holes are used as outlet air vents.

(6) Install ceiling panels 231EC, 231FC, 231CG between FR29 and FR35 (Ref. AMM TASK 25-23-41-400-001).
(7) Install the top antenna (116RV1) (Ref. AMM TASK 23-28-13-400-001).

5. Close-up
Subtask 23-28-13-410-051-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access door 841.
(3) Remove the access platform(s).

[Rev.9 from 2019] 2026.04.02 06:50:19 UTC