(14)
Put the sleeve (16) in position on the air-cycle machine flange (12).
(15)
To Position the Air Cycle Machine WARNING : SUPPORT THE UNIT/ASSEMBLY OR IT WILL FALL AND BECOME
_______ DAMAGED OR INJURE PERSONNEL. THE UNIT/ASSEMBLY IS HEAVY.
(a) For plenum chambers which do not have the P/N 1816A0000-01,
-carefully put the air cycle machine in position on the reheater flange (1), the condensor flange (17) and in the lip seal (18).
NOTE : The air cycle machine weighs aprx. 22 kg (48 lb).
____
NOTE : You must take care not to damage or distort the lip seal
____
(18) when you put the air cycle machine in position.
(b) For plenum chambers P/N 1816A0000-01,
-carefully put the air cycle machine in position on the reheater flange (1) and the condensor flange (17).
NOTE : The air cycle machine weighs aprx. 22 kg (48 lb).
____
(16)
Install the air cycle machine
(a)
Put the support rods (74), (75), (78) and (79) in position.
(b)
Install the bushings (22), (where fitted the washers (23)), the bolts (24), the washers (21) and the nuts (20).
(17)
Lip Seal Abutment Check NOTE : This work step is not applicable for plenum chamber P/N
____
1816A0000-01
(a) Get access to the fan plenum outlet (30) and with your fingers feel around the lip seal (18) to make sure that it is correctly installed.
(18)
Make sure that the packing (19) is in position and install the clamp (3).
(19)
Make sure that the clamp (3) is in the correct position.
(20)
TORQUE the clamp (3) to between 0.51 and 0.56 m.daN (45.13 and 49.55 lbf.in).
R 1EFF : 151-199, 401-499, 1 21-52-21Page 422 1 1 Aug 01/05 1 1 1CES 1
(21)
Move the sleeve (16) in position on the condensor flange (17). NOTE : Make sure that the sleeve (16) covers both the air-cycle
____
machine flange (12) and the condensor flange (17).
(22)
Put the half clamps (14) in position and install the clamp (13).
(23)
Make sure that the clamp (13) is in the correct position.
(24)
TORQUE the clamp (13) to between 0.28 and 0.38 m.daN (24.77 and 33.62 lbf.in).
(25)
Safety the clamp (13) with annealed stainless-steel lockwire, diameter 0.8 mm (0.0314 in.) MISCELLANEOUS (Material No. 19-010).
(26)
Put the sleeve (7) in position on the air-cycle machine flange. NOTE : Make sure that the sleeve (7) covers both the air-cycle
____
machine flange and the pipe assembly flange (2).
(27)
Put the half clamps (4) in position and install the clamp (5).
(28)
Make sure that the clamp (5) is in the correct position.
(29)
TORQUE the clamp (5) to between 0.28 and 0.38 m.daN (24.77 and 33.62 lbf.in).
(30)
Safety the clamp (5) with annealed stainless-steel lockwire, diameter
0.8 mm (0.0314 in.) MISCELLANEOUS (Material No. 19-010).
(31)
Put the sleeve (9) in position on the fan plenum (30) and install the clamp (8).
NOTE : Make sure that when you look in a forward direction the screw
____
of the clamp (8) is in the 5 o'clock position.
(32)
TORQUE the clamp (8) to between 0.08 and 0.12 m.daN (7.07 and 10.61 lbf.in).
(33)
Install the sense line (11).
(34)
TORQUE the sense line (11) to between 0.9 and 0.915 m.daN (79.64 and
80.97 lbf.in).
(35)
Put the bonding strap (26) in position and install the screw (25), the washer (27) and the nut (28) (Ref. TASK 20-28-00-912-004).
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(36) Install the bypass valve 10HH (30HH) (Ref. TASK 21-61-53-400-001).
NOTE : Do not install the access panels at this time.____
(37) Install the pipe asembly (Ref. TASK 21-52-23-400-001).
NOTE : Do not install the access panels at this time.____
(38) Make sure that the work area is clean and clear of tool(s) and other items.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 21-52-21-865-054
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
R (1) FOR 10HM1 - 1HH, 2HH, 3HH, 4HH,
R (2) FOR 11HM1 - 21HH, 22HH, 23HH, 24HH.
R **ON A/C 401-499,
Subtask 21-52-21-865-054-A
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