CAUTION: FOR ENGINES WITH DRY CHEMICAL POWDER FIRE EXTINGUISHING AGENTS
_______ IN THE GASPATH, DO NOT DO THIS WATER WASH WITH OR WITHOUT DETERGENT. THESE AGENTS ARE NOT WATER SOLUBLE. IF YOU WATER WASH WITH THESE AGENTS IN THE GASPATH, THE AGENTS WILL STICK OR CAKE ON THE ENGINE GASPATH PARTS.
(2) For engines with dry chemical fire extinguishing agents in the
gaspath, do not water wash with or without detergent. These agents
are not water soluble. If you water wash with these agents in the
gaspath, the agents will stick or cake on to the engine gaspath
parts.
CAUTION: TO PREVENT THE FORMATION OF ICE, WATER WASH SHOULD NOT BE DONE
_______ WHEN AMBIENT TEMPERATURE IS LESS THAN 40 DEGREES F (4.4 DEGREES C) UNLESS YOU ADD AN ALCOHOL TYPE ANTIFREEZE TO THE WATER.
(3) To prevent the formation of ice, do not do this water wash procedure when the ambient temperature is less than 40 degrees F (4.4 degrees C) unless you add an alcohol type antifreeze to the water.
CAUTION: DO NOT DO THIS PROCEDURE ON MORE THAN ONE ENGINE DURING THE
_______
SAME MAINTENANCE VISIT.
(4)
Do not do this procedure on more that one engine during the same
maintenance visit.
B.
Equipment
(1)
Hoses - Water, and Suitable Nozzles, capable of providing a flow of
160 gpm (606 liters/min)
NOTE: Tests have shown that two 7/8 inch (22.2 mm) nozzles with
____ applicable size hoses and pressure will supply this flow.
(2) Tank - Water (optional to a water source), with approximately a 250
U.S. gallon (946 liter) capacity, and with a pump that can supply a pressure of 50-100 psi (345-690 kPa).
(3)
Air Source - (optional to nitrogen gas) Compressed, Clean, Filtered, Dry, 50 psi (345 kPa) discharge pressure.
(4)
These tools are optional to the potable water (G00000), clean shop
air (G00018) or nitrogen gas (G00960), hoses, and nozzles:
(a)
Cart with a pump that is powered by gasoline - PWA 86516
(b)
Cart with a pump that is powered by electricity - PWA 86517
(c)
Cart with a pump that is powered by gasoline and has a system that supplies nitrogen - PWA 86527
(d)
Cart with a pump that is powered by electricity and has a system that supplies nitrogen - PWA 86528
(e)
Nozzles (2) - PWA 101041
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(f)
Valve with hoses that have a flow capacity of at least 15 gallons/minute (57 liters/minute) - PWA 83298
(5)
M303, M305 or M307 Bergen Mechanical Crimper
Bergen Cable Technologies Inc
170 Gregg St.
P.O.
BOX 1300
Lodi, NJ 07644-9982
C.
Consumable Materials
(1)
Air - Clean Shop (G00018)
(Optional To The Nitrogen Gas)
(2)
Cleaner - Gaspath (B00400)
(3)
Cleaner - Wipe (B00649)
(4)
Cleaner - Wipe (B00651)
(5)
Cloth - Cotton And Lint Free (G00834)
(6)
Gas - Nitrogen (G00960)
(7)
Pad - Scotch Brite (B00105)
(8)
Lockwire, (P05-289) 0.032 inch (0.813 mm) AS3214-02
(9)
Cable, Safety (P05-291)
(10)
Ferrule, Safety Cable (P05-292)
(11)
Water - Potable (G00000) (AMM 70-20-00/201)
You can use either the clean water from
a permanent source or the clean water
from a container.
D.
References
(1)
AMM 71-00-00/201, Power Plant
(2)
AMM 71-11-04/201, Fan Cowl Panels
(3)
AMM 71-11-06/201, Core Cowl Panels
(4)
AMM 73-21-04/601, Electronic Engine Control (EEC)
(5)
AMM 75-33-05/201, Filter Element - Air
(6)
AMM 78-31-00/201, Thrust Reverser System
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