DUCT ASSEMBLY REPAIR -699580116

TM 9-2320-363-20-2

DUCT ASSEMBLY REPAIR

a. Disassembly b. Cleaning/Inspection c. Assembly

This task covers:

INITIAL SETUP

Equipment Condition:

Tools and Special Equipment:

TOOI Kit, SC 5180-90-CL-N26

Reference

Condition Description

Air Cleaner, Pre-Cleaner,

Materials/Parts:

and Duct Assembly

P/N 03-20618-000

Seal

Removed

P/N 03-17841-000

Seal

Nut , Lock (4)

PIN 8868

Ring, Retaining (2)

Screw,

10 X 32 X 1/4 (7)

Washer, Lock (7)

Nut , Lock,

10 X 32 X 1/4 (7)

DISASSEMBLY

NOTE

Z Duct assembly is a two-piece assembly consisting of adapter duct and main

d u c t assembly.

If duct assembly has been repaired previously, all rivets have been replaced

w i t h screws, washers, and lock nuts.

REMOVE SEAL (1), 5 RIVETS (2), 10 WASHERS (3), AND SCREEN (4) FROM DUCT ASSEMBLY

(5). DISCARD RIVETS AND SEAL.

REMOVE TWO LOCK NUTS (6), TWO WASHERS (7), TWO SCREWS (8), AND SPRING BRACKET

(9) FROM ADAPTER DUCT (10): DISCARD LOCK NUTS.

REMOVE TWO RETAINING RINGS (11) AND DOOR (12). DISCARD RETAINING RINGS.

REMOVE TWO LOCK NUTS (13), TWO WASHERS (14), TWO SCREWS (15), SPRING BRACKET

(16), AND SEAL (17) FROM DOOR (12). DISCARD SEAL AND LOCK NUTS.