ADAA
Validity : S / N 1 - 9999 21-TCPage 4
(EA) SEP 04
AIR CONDITIONING
DESCRIPTION AND OPERATION
1. GENERAL (Figures 1, 1A and 1B)
The air conditioning system consists of the sub-systems which allow intake, regulation and temperature control of the volume of air which enters the cabin.
The system consists of :
- distribution - refer to 21-20-00,
- heating - refer to 21-40-00,
- cooling - refer to 21-50-00.
ABAA
Validity : S / N 1 - 9999 21 00-00 Page 1
(EA) AUG 01
Position coupe-feu Fire cut-off position
Boilier de commande air cabine
Cabin air control box
Air conditioning - Description and operation
Figure 1 - S / N 1 - 584
ABAA
Validity : S / N 1 - 9999 21-00-00 (EA) AUG
Pageoi2
Entrée d'air Air intake
Air regule AR. Rear regulated air
Air conditioning - Description and operation
Figure 1A - S / N 585 - 9999. without vapor cycle cooling system
Entrée d'air Air intake
Echangeur
Heat exchanger
Boitier melangeur Cabin air mixer
Entrée d'air occultable Shutter air intake
Pieds passager AV. Front passengers' feet
Aerateu r Air outlet
Boitier de commande air cabine
Cabin air control box
Air regule AR. Rear regulated air
Air conditioning - Description and operation
Figure 1B - S / N 585 - 9999. with vapor cycle cooling system
ABAA
Validity : S / N 1 - 9999 21 00 00Page 4
(EA) AUG 01
AIR CONDITIONING
MAINTENANCE PRACTICES
1. SERVICING - AIR CONDITIONING
A. Tools and consumable materials
- Oil (TB 03-900)
- Clean lintfree cloths
B. Air regulation system maintenance procedure
NOTE 1 : The air regulation system is very simple and requires neither servicing nor adjustment. NOTE 2 : In case of a "rough point" in the controls, simply lubricate sheathed controls and hinges with oil for satisfactory operation.
1) Check condition of the cabin air mixer located on the firewall.
2) Through baggage compartment bottom door 242, check the blower (if installed) for correct operation by means of the switch. Check the blower air intake for clogging and condition of attachments.
3) Check connection between fire cut-off flap and clapper located under cabin air mixer distribution box inlet.
4) Inspect the hoses for condition, replace if necessary.
NOTE : If new hose(s) is (are) installed, no traces of release grease (silicone) must remain
inside the hose(s). Any traces must be removed with a clean lintfree cloth.
C. Vapor cycle cooling system (option) servicing
Refer to chapter 21-55-00.
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本文链接地址：TB20 MAINTENANCE MANUAL 21 AIR CONDITIONING TB20飞机维护手册 21 空调(5)
