S 032-055
(2)
Remove the screws which hold Smoke Detector Blower 4 (M10465).
S 012-056
(3)
To get access to the flapper valve remove Smoke Detector Blower 4. Be careful not to disconnect or cause kinks in the hoses.
S 752-057
(4)
Make sure the open end around the flapper valve is free of dirt which will prevent a correct position of the valve.
S 862-058
(5)
Move the valve from side to side to the direction of the open end. Make sure the valve is in the correct position and does not stick because of remaining material
S 422-059
(6)
Install Smoke Detector Blower 4 and use the screws which were removed.
S 862-060
(7)
Open this circuit breaker on the P70 panel:
(a) 70B12, SMOKE DET BLOWER 3
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(8) S 752-061Make sure Smoke Detector Blower 4 (M10465) operates.
(9) S 032-062Remove the screws which hold Smoke Detector Blower 3 (M10464).
S 012-063
(10)
To get access to the flapper valve remove Smoke Detector Blower 3. Be careful not to disconnect or cause kinks in the hoses.
S 752-064
(11)
Make sure the open end around the flapper valve is free of dirt which will prevent a correct position of the valve.
S 862-065
(12)
Move the valve from side to side to the direction of the open end. Make sure the valve is in the correct position and that it can move freely.
S 422-066
(13)
Install Smoke Detector Blower 3 and use the screws which were removed.
S 862-067
(14)
Close this circuit breaker on the P70 panel:
(a) 70B12, SMOKE DET BLOWER 3
S 862-068
(15) Open and then close these circuit breakers on the P11 panel to set the smoke detector blower system:
(a) 11S35, FIRE DET CARGO CONT or CARGO SMOKE BLOWER CONT
S 752-069
(16) Make sure Smoke Detector Blower 4 (M10465) stops and Smoke Detector Blower 3 (M10464) starts to operate.
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S 022-092
(17)
Close the cargo doors (AMM 52-34-00/201).
S 862-070
(18)
Remove electrical power (AMM 24-22-00/201) if it is not necessary.
TASK 26-16-05-302-071
4. Flapper Valve Removal/Installation (Fig. 201)
__________________________________
A. Reference
(1)
AMM 26-16-02/401, Smoke Detector Blowers
(2)
AMM/24-22-00/201, Electrical Power - Control
(3)
AMM 52-34-00/201, No. 1 and No. 2 Cargo Door
B. Access
(1)
Location Zones
121/122 Forward Cargo Compartment
153/154 Aft Cargo Compartment
820 Lower Half of Fuselage (RH side)
(2)
Access Panels
821 Forward Cargo Compartment Door
822 Aft Cargo Compartment Door
823 Bulk Cargo Compartment Door
C. Do the Procedure
S 012-093
(1)
Open main cargo door (AMM 52-34-00/201).
S 012-087
(2)
Remove the applicable smoke detector blower (AMM 26-16-02/401).
S 322-072
(3)
Drill out the rivets to remove the flapper valve (three per valve). Keep the backup plate.
S 322-073 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 防火 FIRE PROTECTION 1(95)
