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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