Tecnam P2002 JF - Cabin Heat and Defrost Valves Control Cable Rigging; Cabin Heating and Defrost System Operational Test

Page 201 2
nd
Edition – Rev 0
21-10
CABIN HEATING – MAINTENANCE PRACTICE
1. CABIN HEATING AND DEFROST SYSTEM OPERATIONAL TEST
The cabin heating and defrost systems should be tested during a flight test to verify the correct
operation.
Step
no.
Task description
Additional info &
References
1
Leveling the aircraft to cruise speed;
2
Verify that the cabin heat/defrost knob is PUSHED
Refer to Figure 3
3
Make sure that hot air diffuser are free from obstruction
4
PULL cabin heat/defrost control knobs
Refer to Figure 3
5
Verify the hot air flow from air diffusers
6
PUSH cabin heat knob: verify no air flows
2. CABIN HEAT AND DEFROST VALVES CONTROL CABLE RIGGING
This operation must be done for LH and RH hot air valves.
Step
no.
Task description
Additional info &
References
1
Remove upper and lower engine cowling
2
Make sure that the hot air knob are in closed position
Refer to Figure 7
3
Attach Bowden cable to hot air valve with spring full
pressed
Refer to Figure 8
4
Pull hot air knob
Refer to Figure 9
5
Verify that the hot air valve are in open position
Refer to Figure 10
6
Push hot air knob and verify that hot air valve are in
closed position
Refer to Figure 8
7
Reinstall upper and lower engine cowling