Copper Seal-APU

AMM Ref: 49-21-00

Consumables: As per AMM

1) LST, CFC & Rag pieces

2) Copper seals # Qty-02 (minimum)

Tools:

1) Spanners & Crowfoot #9/16 # 5/8 # 3/4 ???

3) Torque wrench# 200 in-lbs

4) Common tools

5) Pointed poker bend at 90*

Support Equipments:

1) APU Change Trestle

Precautions/Tricks: As per AMM

1) Be careful during removal and installation of Copper seal from oil scavenge/pressure tubes , ensure no damage occurred.

2) Do not over tight oil scavenge/pressure tubes otherwise Copper seal may damage.

Warning: Always use updated AMM/IPC,Task card, etc for performing any work on aircraft .