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CAUTION : DO NOT FORGET THICKNESS WASHERS (14) BETWEEN CABIN AIR MIXER (9) AND FIREWALL (18). MAKE SURE SHUTTER (20) IS CORRECTLY POSITIONED.
2) Position cabin air mixer (9) with new seal (15) on firewall (18). Secure with 2 upper bolts (17), thickness washers (14), washers (21) and new nuts (22).
3) Complete the assembly with 3 upper attachment bolts (16), 4 side attachment bolts (19), washers (21) and new nuts (22), on cabin side.
4) Coat cables (5) and (7) with oil (TB 03-900).
5) Reconnect cables (5) and (7). Maneuver control box (6) levers several times and check cabin air mixer (9) flaps for correct travel.
ABAB
Validity : S / N 1 - 584 21-40 02Page 201
(BA) AUG 01
6) Connect, on cabin air mixer (9) side, hose (3) of R.H. NACA air intake (4). Install clamp (13).
7) Connect, on cabin air mixer (9) side, regulated air distribution hoses (2), (11) and (10) of windshield diffuser (1), rear bench diffuser (12) and pilot seat with clamps (13).
8) Install protector (8) on cable (7).
9) Install cables (5) and (7) attachments on control box (6).
10) Install the closing plate of the R.H. panel.
11) Make sure all the tools and materials are removed and the work area is clean and free from debris.
12) Install the R.N. instrument panel (if installed).
13) Check the R.H. instrument panel equipment once installed.
14) Check for leaks during run-up.
15) Install the engine cowlings - refer to 71-10-01.
1 - Diffuser
2 - Hose
3 - Hose
4 - R.H. NACA air intake
5 - Cable
6 - Control box
7 - Cable
8 - Protector
9 - Cabin air mixer
10 - Hose
11 - Hose
12 - Diffuser
13 - Clamp
14 - Thickness washer
15 - Seal
16 - Bolt
17 - Bolt
18 - Firewall
19 - Bolt
20 - Shutter
21 - Washer
22 - Nut
Cabin air mixer - Removal / Installation
Key to Figure 201
Cabin air mixer - Removal / Installation
Figure 201
ABAB
Validity : S / N 1 - 584 21 40-02Page 203
(BA) AUG 01
PAGE INTENTIONALLY LEFT BLANK
ABAB
Validity : S / N 1 - 584 21 40-02 Page 204
(BA) AUG 01
CABIN AIR MIXER
MAINTENANCE PRACTICES
1. SERVICING
None
2. REMOVAL / INSTALLATION - CABIN AIR MIXER (Figure 201)
A. Tools and consumable materials
- Sealant (TB 09-904)
- Oil (TB 03-900)
- Blanking caps and plugs
- Clean lintfree cloths
B. Removal of the cabin air mixer
1) Remove the engine cowlings - refer to 71-10-01.
2) Disconnect hoses (14) and (13) on distribution box (10) side. Retain clamps (15) and (12) and blank off.
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TB20 MAINTENANCE MANUAL 21 AIR CONDITIONING TB20飞机维护手册 21 空调(15)
