B. Equipment
(1)
A pneumatic air source which can supply dry,
filtered compressed air (Maximum pressure of 30
PSI).
(2)
A vacuum capable of supplying a vacuum of 15
inches of water maximum.
C. Consumable Materials
(1)
Cleaning Solvent - Isopropyl Alcohol
(2)
Soft bristle brush
(3)
Tube brush
(4)
Soap and water
D. Access
(1)
Location Zones
121/122 Forward Cargo Compartment
153/154 Aft Cargo Compartment
211/212 Flight Compartment
820 Lower Half of Fuselage
(2)
Access Panels
821 No. 1 Cargo Compartment Door
822 No. 2 Cargo Compartment Door
E. Clean the Smoke Detectors
S 017-061
(1)
Open applicable cargo doors (AMM 52-34-00/201).
(2)
Get access to the smoke detectors in the cargo compartment.
S 017-033
(3)
The smoke detectors in the forward cargo compartment are M10458 and M10459. They are installed in the ceiling of the forward cargo compartment just aft of the No. 1 cargo door. Get access to the detectors through the ceiling panels.
S 017-034
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SMOKE DETECTOR TUBING CEILING) (CARGO COMPARTMENT SEE DUAL DETECTORS A NO. 1 DOOR CARGO SEE INTAKE ORIFICE B FWD
SMOKE DETECTOR TUBING
FWD FORWARD CARGO COMPARTMENT INTAKE SEE B ORIFICE NO. 2 CARGO DOOR DUAL DETECTORS (RIGHT SIDEWALL) CSEE
AFT CARGO COMPARTMENT
DETECTORS, M10458,M10459
RUBBER
TUBE
FORWARD CARGO COMPARTMENT DETECTORS,
SMOKE DETECTORS M10460,M10461
TUBE ASSEMBLY
A
RUBBER
TUBE
CARGO COMPARTMENT
CEILING
TUBE END
CAP
AFT CARGO COMPARTMENT
INTAKE ORIFICE TUBE ASSEMBLY SMOKE DETECTORS
B C
Forward/Aft Cargo Compartment Smoke Detection Component Location
Figure 701
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(4) S 017-032The smoke detectors in the aft cargo compartment are M10460 and M10461. They are installed in the sidewall of the aft cargo compartment just forward of the No. 2 cargo door. Get access to the detectors through the sidewall panel.
(5) S 037-002Remove the smoke detector (AMM 26-16-01/201).
(6) S 107-003Blow away all remaining material inside the detector chamber. dry compressed air which will not exceed 15 psi. Use
S 107-004
(7)
Remove all material which bonds to the detector chamber walls with a soft bristle brush and Isopropyl alcohol.
S 757-005
(8)
Make sure there are no scratches or shiny areas inside the chamber.
S 107-006
(9)
Clean and paint all scratches or shiny areas with nonreflective paint.
S 757-007
(10)
Make sure there are no signs of wear, damage, burns, loose components, corrosion, or dirt build-up inside the chamber.
S 757-008
(11)
Examine the pick-up tubes and orifice caps that come out of the ceiling of the compartment for blockage and dirt deposits. Clean the equipment if it is necessary.
S 437-009
(12)
Assemble the smoke detector.
S 437-010
(13)
Install the smoke detector (AMM 26-16-01/201) if you do not do the procedure to clean the tubes.
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