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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
2) Install lockwire or safety cable and safety cable ferrule on the plug (59).
(j)
Lubricate the packings (50 and 52) with engine oil.
(k)
Lubricate the packings (52) and the insert threads (51) with
engine oil.
(l)
Install the packings (52) on the inserts (51).
(m)
Install the inserts (51) to the LP4 and LP5 ports.
1) Tighten the inserts (51) to 200-225 pound-inches (22.6-25.4 newton-meters).
(n)
Lubricate the packings (50) and the reducer threads (49) with engine oil.
(o)
Install the packings (50) on the reducers (49).
(p)
Install the reducers (49) in the inserts on the LP4 and LP5
ports.
1) Tighten the reducers (49) to 110-120 pound-inches
(12.4-13.6 newton-meters).
(q)
Install the pressure relief valve (66) of the oil filter to the main oil filter housing (1): 1) Install the packings (64 and 65), lubricated with engine
oil, in the groove in the pressure relief valve (66) of the oil filter. 2) Install the pressure relief valve (66) of the oil filter to the main oil filter housing (1). 3) Tighten the the pressure relief valve (66) of the oil filter to 525-625 pound-inches (59.3-70.6 newton-meters). 4) Install lockwire or safety cable and safety cable ferrule on the pressure relief valve (66) of the oil filter.
(r)
Install the pressure relief valve (21) of the oil system to the port on the main oil filter housing:
NOTE: This port is below the pressure relief valve of the oil
____
filter (66).
1) Install the packings (62 and 63), lubricated with engine oil, in the groove in the pressure relief valve (21) of the oil system.
2) Align the boltholes of the pressure relief valve (21) of the oil system and of the bracket (30) with those of the main oil filter housing (1). a) Install the bolts (60). b) Tighten the bolts (60) to 125-140 pound-inches
(14.1-15.8 newton-meters). c) Install lockwire or safety cable and safety cable ferrule.
S 034-042-N00
(3)
ENGINES POST-PW-SB 72-524 AND POST-PW-SB 79-79; If you will install a new main oil filter housing (1), do the steps that follow (Fig. 402, View N):
(a)
Install the spring (69) in the spring retainer (74).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-61-11
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(b)
Install two screws (73) through the spring retainer screw holes and install two washers (75) on the ends of the two screws.
(c)
Lubricate the threads of the two screws (73) with engine oil.
(d)
With the spring in place in the spring retainer, install the two screws (73) into the cover (29). 1) Tighten the screws to 36-40 pound-inches (4.1-4.5
newton-meters).
(e)
Install the packing (57), lubricated with engine oil, in the groove in the cover (29).
CAUTION: MAKE SURE THAT THE REMOVABLE PLUG IS REMOVED FROM THE END
_______ CAP OF THE FILTER ELEMENT. IF THE PLUG IS IN PLACE, THE ELEMENT WILL NOT OPERATE.
(f) Install the filter element (56A) into the cover (29).
1) Align the tabs on the end of the filter element with the
slots in the inside of the cover.
CAUTION:_______MAKE SURE YOU INSTALL THE COVER CORRECTLY. AN INCORRECTLY INSTALLED COVER CAN CAUSE DAMAGE TO THE PACKING AND AN IN-FLIGHT SHUTDOWN.
CAUTION: DO NOT USE THE NUTS TO MOVE THE COVER INTO THE MAIN OIL
_______ FILTER HOUSING. IF YOU DO THAT, DAMAGE TO THE PACKING CAN OCCUR.
(g) Put the cover (29) on the main oil filter housing (1), with the drain opening in the cover away from the engine.
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