cap (10). 3) Install the oil tank cap (10) into the filler neck sump and
valve (9). 4) Turn the oil tank cap (10) clockwise to close. 5) Turn the handle on the oil tank cap (10) 45 degrees
clockwise to engage the locking mechanism.
(d) Install the heat shield (2) for the oil tank with the steps
that follow:
1) Put the heat shield (2) on the oil tank (15).
a) Make sure to align the higher seam on the heat shield (2) with the seam on the oil tank.
2) Make sure the bolt holes in the mounting bracket of the heat shield (2) align with the bolt holes in the mounting flange of the oil tank (15).
3) Lubricate the threads of the screw, which attaches the heat shield clamp, with engine oil.
4) Attach the heat shield clamp (14) on the heat shield (2) with the screw. a) Tighten the screw to 15-18 pound-inches (1.7-2.0
newton-meters).
S 644-060-N00
(3)
Lubricate the packing (31) with engine oil.
S 434-048-N00
(4)
Install the packing (31) in the groove on the forward mounting flange of the oil tank (15).
S 644-063-N00
(5)
Lubricate the packings (30, 32, and 33) with engine oil.
S 434-049-N00
(6)
Install the packings (30, 32, and 33) in the groove on the transfer tube, the breather tube, and the check valve housing.
S 424-050-N00
(7)
Install the oil tank (15) with the steps that follow:
(a)
Put the oil tank (15) to the aft face of the main gearbox at
the 8 o'clock position.
1) Align the offset bolt hole.
(b)
Lubricate the threads of the bolts (1) with engine oil.
(c)
Install the bolts (1) which attach the oil tank (15) and the
components that follow to the main gearbox:
1) The ground strap (34)
2) The bracket (35)
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79-11-01
ALL ú ú N02 Page 410 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
3) The support bracket (16) for the pneumatic tube 4) The support bracket (18) for the top harness 5) The support bracket (21) for the lower harness 6) The identification (I.D.) plate and the bracket (23). 7) ENGINES POST-PW-SB 72-375;
Install the bracket (41) to the oil tank.
CAUTION: MAKE SURE THE TUBES IN THE OIL TANK CORRECTLY ENGAGE THE
_______ TUBES FROM THE MAIN GEARBOX. IF THE TUBES ARE INCORRECTLY ENGAGED, DAMAGE TO THE ENGINE CAN OCCUR.
(d)
Make sure the oil tank is correctly installed with the steps that follow: 1) Look in the hole at the top of the oil tank where the oil
quantity transmitter attaches. 2) With a mirror, do a check to make sure the tubes in the oil tank are engaged with the tubes from the main gearbox. 3) Make sure the breather tube is correctly engaged with its mating tube.
(e)
Tighten the bolts (1) to 180-200 pound-inches (20.3-22.6 newton-meters).
S 434-031-N00
(8)
Install the magnetic chip detector assembly in the oil tank
(AMM 79-21-10/401).
S 434-054-N00
(9)
Connect the electrical connector DT675 (40) to the oil quantity
transmitter, T675.
S 434-067-N00
(10)
Install the bolt (37) and nut (39) which attach the harness
clamp (38) to the bracket for the oil quantity transmitter.
(a) Tighten the nut (39).
(11)
Connect the scupper drain line (13) to the scupper drain (12).
S 434-073-N00
(12)
Connect the cooling air tube (36) to the adapter.
S 434-070-N00
(a) Tighten the tube nut.
S 434-064-N00
(13)
Install the No. 3 turbine vane cooling air duct (AMM 75-24-02/401).
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