747-400 AMM 飞机维护手册 机载辅助动力 1(34)

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 (f)  If the humidity is less than 40 percent, no other steps are necessary.
 NOTE:____ The humidity is less than 40 percent when the humidity indicator has a blue color.
 (g)  If the humidity is more than 40 percent, replace the dessicant bags.
 NOTE:____ The humidity is more than 40 percent when the humidity indicator has a pink color.

 S 412-379
 (17) Close the left APU access door, 317AL, and right APU access door, 318AR:
 (a)  Remove the two quick-release pins, disconnect the two hold-open
 rods and put the two hold-open rods in the two clips on the
 right access door.
 (b)  Install the two quick-release pins in the two brackets on the
 right APU compartment bulkhead.
 (c)  Lift the right access door until you can install the lanyard on
 the pin at the aft APU compartment bulkhead.
 NOTE:____ The lanyard will hold the right access door on the APU
 compartment bulkhead.
 (d)  Remove the two quick-release pins, disconnect the two hold-open
 rods and put the two hold-open rods in the two clips on the
 left access door.
 (e)  Install the two quick-release pins in the two brackets on the
 left APU compartment bulkhead.

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 (f)  
Make sure the insulation covers are correctly attach to the APU compartment firewall.

 (g)  
Lift the left access door until the two APU access doors are approximately aligned.

 (h)  
Close the two APU access doors.

 (i)  
Close the six latches on the right access door.

 S 622-135
 (18) If the APU is removed, put it where there is protection from damage and the weather.
 TASK 49-11-00-602-137
 15. APU Preservation (More Than 91 Days) (Fig. 203)
____________________________________
 A. General
 (1)  
This task gives the instructions for the preservation of the APU. To do the preservation task you must prevent corrosion on the APU while it is unserviceable.

 (2)  
You can use the steps that follow to do the preservation of an installed or a removed APU.

 B.
References

 (1)  
AMM 12-22-02/301, Auxiliary Power Unit

 (2)  
AMM 49-41-01/401, Starter Motor

 C.
Equipment

 (1)  
PF53481-8PWS Cart - Servicing, Engine Oil, 5 Gallon Capacity Malabar International (Vendor Code 94861) 220 W. Los Angeles Avenue, P. O. Box 367, Simi Valley, CA 93065

 (2)  
G57NB-5 Collar - Circuit Breaker
 Nylon Molding Corp.
 1617 S. California
 Monrovia, CA. 91016 (two are necessary)

 (3)  
Container - Fuel Resistant, 5 U.S. Gallons (18.9 Liters)

 D.
Consumable Materials

 (1)  
G00034 Cloth, Process Cleaning Absorbent Wiper (Cheesecloth, Gauze)

 -BMS15-5
 (2)  D00010 Compound, Anti-Seize - MIL-A-907 or
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 (3)  
D00674 Compound, Anti-Seize (Solid Film Lubricant) - Ease-off 990 -MIL-L-23398

 (4)  
G00626 Dehumidifier, Dessicant - MIL-D-3464

 (5)  
D00098 Fuel, Turbine Engine - P01-001

 (6)  
D50029 Lubricant, Fluorocarbon Release Agent (Spray) - PWC06-005

 (7)  
D00418 Oil - Aircraft Turbine Engine

 (8)  
D00124 Oil, Jet Engine (Preservation) - MIL-PRF-6081, Grade 1010

 E. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 203 | 1 | Packing | 49-31-00 | 01 | 65 | 2.......….......…...................................…...........…......….......1
　
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