NOTE: This is necessary to rinse all the detergent from the
____
gaspath.
N2 decreases as water flows into the gaspath of the engine.
S 087-122-N00
CAUTION: REMOVE THE WATER WASH EQUIPMENT AS SOON AS POSSIBLE AND BEFORE
_______ YOU OPEN THE THRUST REVERSER. IF YOU TRY TO OPEN THE THRUST REVERSER WITH THE EQUIPMENT INSTALLED, YOU WILL CAUSE DAMAGE TO THE ENGINE AND THRUST REVERSER.
(13)
Remove the wash nozzles from the engine as follows:
(a)
Remove hoses, adapters, and valve.
(b)
Loosen the four bolts on the clamp assembly.
(c)
Pull the hook handles aft.
(d)
Carefully remove the wash hooks.
S 217-114-N00
(14) Examine the LPC 1st stage (fan) blades, fairing, fan exit guide vanes and 1.6 stage blades for any damage from the cleaning procedure.
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S 167-115-N00
(15) Hand clean the Stage 1 fan blades:
(a) Make a clean Lint Free Cotton Cloth (G00834) or fine or medium
Scotch Brite Pad (B00105) moist with Gaspath Cleaner (B00400).
(b) Wipe both sides of the fan blades until clean.
(c) Flush the fan blades with clean water.
NOTE:____ The wipe cleaner (B00649) or (B00651) are both optional
to the gaspath cleaner (B00400) to clean the fan blades.
If you use either wipe cleaner (B00649) or (B00651) to
clean the fan blades, it is not necessary to flush the
fan blades with clean water.
S 167-125-N00
(16)
Hand clean the Stage 1 LPC stator vanes:
(a)
Make a clean, lint free, cotton cloth (G00834) or a fine or medium Scotch Brite pad (B00105) moist with the gaspath cleaner (B00400).
(b)
Clean both sides of each vane.
(c)
Flush the vanes with clean water.
NOTE: The wipe cleaner (B00649) or (B00651) are both optional
____ to the gaspath cleaner (B00400) to clean the fan blades. If you use either wipe cleaner (B00649) or (B00651) to clean the fan blades, it is not necessary to flush the fan blades with clean water.
S 017-123-N00
CAUTION: MAKE SURE YOU REMOVE THE WATER WASH EQUIPMENT BEFORE YOU OPEN
_______ THE THRUST REVERSER. IF YOU TRY TO OPEN THE THRUST REVERSER WITH THE EQUIPMENT INSTALLED, YOU WILL CAUSE DAMAGE TO THE ENGINE AND THRUST REVERSER.
(17) Open the fan cowl panels (AMM 71-11-04/201).
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S 017-175-N00
(18) Open the core cowl panels (AMM 71-11-06/201).
S 017-176-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(19)
Open the thrust reversers (AMM 78-31-00/201).
S 217-117-N00
(20)
Do an inspection and drain the EEC P2, PAMB, and P4.95 condensation traps (AMM 73-21-04/601).
S 217-171-N00
(21)
For an SCU with PMUX parameters (if installed), do an inspection and drain the P2.5 condensation trap (AMM 73-21-04/601).
S 167-119-N00
(22)
Remove any water from the EEC sensing system by the steps that follow.
(a)
Hold the adapters with a wrench and disconnect the sensing P2, PAMB, P4.95, and PB hoses from the EEC (Fig. 702).
(b)
For an SCU with PMUX parameters (if installed), hold the
adapters with a wrench and disconnect the sensing P2.5 hose
from the SCU (Fig. 702).
(c)
Install the necessary adapters and fittings to attach shop air or Nitrogen to each sensing hose.
