72-61-11
ALL ú ú N02 Page 444 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(l)
Install the screw (5), washer (6), and nut (4) that attaches the fire extinguishing tube clamp to the bracket (30) at the forward right side of pressure relief valve (21) of the oil sytem (Fig. 401, View G). 1) Tighten the screw (5) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(m)
Install the screw (32), washer (9), and nut (4) that attaches the outlet pressure tube clamp of the oil filter and the pneumatic tube to the bracket (30) (Fig. 401, View F and G). 1) Tighten the screw (32) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(n)
Install the screw (32), washer (9), and nut (4) that attaches the other pneumatic tubes to the bracket (30) (Fig. 401, View G). 1) Tighten the screw (32) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(o)
Install the two bolts (23), washers (9), clamp (22), and nuts (4) that attach the support bar clamp (22) to the bracket (30) that is forward of the main oil filter housing (1). 1) Tighten the bolts (23) to 30-35 pound-inches
(3.4-4.0 newton-meters).
(p)
Install the bolt (25) and nut (24) that attaches the other end of the support bar (33) to the horizontal driveshaft bracket. 1) Tighten the nut (24) to 85-90 pound-inches
(9.6-10.2 newton-meters).
(q)
Install the bolts (23), washers (9), and nuts (4) that attach the support bar clamps to the bracket at the 7 o'clock position (Fig. 401, View H). 1) Tighten the bolts (23) to 30-35 pound-inches
(3.4-4.0 newton-meters).
(r)
Install the clamp block assembly (28), that is at approximately the 7 o'clock position, as follows: 1) Install the clamp block assembly (28) with the four
pneumatic tubes attached to it.
2) Install the two screws (26), washers (2), spacers (27), and nuts (10) that attach the four pneumatic tubes (16, 17, 18, and 19) to the clamp block assembly (28).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-61-11
ALL ú ú N02 Page 445 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
3) Tighten the screws (26) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(s) Install the clamp block assembly (11), that is on the top of
the main oil filter housing (1) as follows:
1) Install the clamp block assembly (11) with the five
pneumatic tubes attached to it.
2) Install the two screws (3), washers (2), spacers (14), and
nuts (10) that attach the pneumatic tubes (15, 16, 17, 18,
and 19) to the clamp block assembly (11).
a) Tighten the screws (3) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(t) Install the three screws (8), washers (9), and nuts (10) that
attach the five pneumatic tube clamps to the bracket on the top
of the oil tank at approximately the 9 o'clock position
(Fig. 401, View C).
1) Tighten the screws (8) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(u) Install the four screws (8), washers (9), and nuts (10) that
attach the pneumatic tube clamps which are near the top of the
oil tank (Fig. 401, View D).
1) Tighten the screws (8) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(v) Install the screw (8), washers (9), and nut (10) that attach
the pneumatic tube clamp and the fuel tube clamp of the
fuel/oil cooler to the bracket (30).
NOTE: This is at the forward left side of the pressure relief____
valve (21) of the oil system.
1) Tighten the screw (8) to 25-35 pound-inches
(2.8-4.0 newton-meters).
(w) Install the screw (5), washer (6), and nut (4) that attaches
the fire extinguishing tube clamp to the bracket that is
forward of the high pressure controller at the 7 o'clock
position (Fig. 401, View H).
1) Tighten the screw (5) to 30-35 pound-inches
(3.4-4.0 newton-meters).
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