TM 9--2350--292--20--2
0666 00--1
AUXILIARY POWER UNIT VANEAXIAL FAN, SCREENS AND BRACKET
REPLACEMENT (HATZ)
0666 00
THIS WORK PACKAGE COVERS:
Removal, Installation
INITIAL SETUP:
Tools and Special Tools
General mechanics tool kit (item 1, WP 0717 00)
Materials/Parts
Lockwashers (4) (item 112, WP 0718 00)
Lockwashers (6) (item 9, WP 0718 00)
Adhesive (item 29, WP 0716 00)
Equipment Conditions
APU assembly removed (WP 0587 00)
References
TM 9--23350--292--10
NOTE
Perform Removal steps 2 and 5 and Installation steps 1
and 4 for maintenance of bottom screen.
Perform Removal steps 1 through 3 and 5 and Installation
steps 1 and 3 through 5 for maintenance of vaneaxial fan.
Perform Removal steps 1, 3 and 5 and Installation steps
1 and 3 for maintenance of upper screen.
Perform Removal steps 1 and 3 through 5 and Installation
steps 1 through 3 and 5 for maintenance of vaneaxial fan
bracket.
Removal
1. Disconnect wiring harness 3W730 connector J1 (1) from vaneaxial fan connector (2).
2. Remove two screws (3), two lockwashers (4) and bottom screen (5). Discard lockwashers.
3. Remove two screws (6), two lockwashers (7), vaneaxial fan (8) and upper screen (9). Discard lockwashers.
4. Remove six screws (10), six lockwashers (11) and vaneaxial fan bracket (12). Discard lockwashers.
5. Inspect all parts for damage and replace as required.
Installation
1. Apply adhesive to threads of screws (3), (6) and (10) prior to installation.
2. Install vaneaxial fan bracket (12) with six screws (10) and six new lockwashers (11).
3. Install upper screen (9) and vaneaxial fan (8) with two screws (6) and two new lockwashers (7).
4. Install bottom screen (5) with two screws (3) and two new lockwashers (4).
5. Connect wiring harness 3W730 connector J1 (1) to vaneaxial fan connector (2).