S 952-064-N00
(2)
Remove the seals from all the openings on the engine.
S 612-065-N00
(3)
Do this task: "Engine Oil - Servicing (Oil Replenishing)" (AMM 12-13-03/301).
S 862-080-N00
(4)
Do the steps for the Periodic Engine Run in the task for the Power Plant Preservation (AMM 71-00-03/201).
TASK 71-00-03-102-002-N00
4. Dry the Engine Bearing Compartment
__________________________________
A. Standard Tools and Equipment
(1) Fitting and Adapter (not necessary if a regulator tool is used).
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(2)
Air supply - a unit to start pneumatic engines which can supply air at 800 to 1000 pounds per hour flow, 9 psi (maximum) controlled pressure, and 325°F (163°C) maximum controlled temperature.
B.
Special Tools and Equipment
(1)
PWA 85525 Adapter, Pratt and Whitney Commercial Products Division, 400 Main Street, East Hartford, CT 06108
(2)
PWA 85526 Adapter, Pratt and Whitney
(3)
CTE 9060 Oil Heating Cart, Pratt and Whitney
C.
Consumable Materials
(1)
G00964 Compound - Antigalling, Fel-Pro C-200
(2)
D00390 Oil - Engine
D.
References
(1)
AMM 12-22-03/301, Engine (Oil Change)
(2)
AMM 71-00-00/201, Power Plant
E.
Prepare to dry the engine bearing compartment.
S 612-004-N00
(1) Clean and fill the Oil Heating Cart (referred to as the cart):
(a)
Drain water or contamination from the reservoir, lines, and the hydraulic system.
(b)
Close the outlet valve from the reservoir:
NOTE: You can fill the reservoir through the inlet line.
____
1) Remove the cap from the oil supply connection. 2) Connect the oil supply to the oil supply connection.
(c)
Open the outlet valve and the inlet valve.
CAUTION:_______DO NOT MIX OILS OF DIFFERENT TYPES OR MANUFACTURERS. THE OILS CAN CHANGE CHEMICALLY AND CAUSE DAMAGE TO THE EQUIPMENT.
(d)
Fill the reservoir with approximately 50 gallons (189 liters) of jet engine oil or until leakage comes out of the opening.
NOTE: Use the same type of oil from same manufacturer in the
____
cart as is in the engine.
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(e)
Close the inlet valve.
(f)
Put a cap on the oil supply connection.
(g)
Set the temperature controller in the control cabinet to the initial temperature.
NOTE: To increase the oil temperature in the cart, set the
____ temperature controller to 225°F (107°C) for one hour (or until steam from the opening stops). After that, set the temperature controller to 300°F (149°C).
S 882-005-N00
(2) Increase the temperature of the oil in the cart:
WARNING: REMOVE THE ELECTRICAL POWER BEFORE YOU CONNECT OR
_______ DISCONNECT THE ELECTRICAL CONNECTIONS TO THE CART. REMOVE THE ELECTRICAL POWER BEFORE YOU OPEN THE CONTROL CABINET. INJURY TO PERSONS CAN OCCUR IF YOU DO NOT REMOVE ELECTRICAL POWER.
(a)
Connect the electrical connections to the cart and to the electrical power supply.
(b)
Energize these electrical circuits on the cart in this sequence: 1) The Power Supply 2) The Circulating Pump 3) The Heating Elements.
NOTE: The temperature controller will not make the oil
____ temperature hotter than 310°F (154°C). If the oil temperature is hotter than 310°F (154°C), the oil can put the coke on the heating elements.
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本文链接地址：747-400 AMM 飞机维护手册 动力装置 POWER PLANT 2(32)
