(22)
 Make sure that the clamp (13) is in the correct position.

 (23)
 TORQUE the clamp (13) to between 0.28 and 0.38 m.daN (24.77 and 33.62 lbf.in).

 (24)
 Safety the clamp (13) with annealed stainless-steel lockwire, diameter 0.8 mm (0.0314 in.) MISCELLANEOUS (Material No. 19-010).

 (25)
 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).

 (26)
 Put the half clamps (4) in position and install the clamp (5).

 (27)
 Make sure that the clamp (5) is in the correct position.

 (28)
 TORQUE the clamp (5) to between 0.28 and 0.38 m.daN (24.77 and 33.62 lbf.in).

 (29)
 Safety the clamp (5) with annealed stainless-steel lockwire, diameter

 0.8 mm (0.0314 in.) MISCELLANEOUS (Material No. 19-010).

 (30)
 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.

 (31) TORQUE the clamp (8) to between 0.08 and 0.12 m.daN (7.07 and 10.61 lbf.in).
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 (32) Install the sense line (11).
 (33) TORQUE the sense line (11) to between 0.9 and 0.915 m.daN (79.64 and 80.97 lbf.in).
 (34) 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).
 (35) Install the bypass valve 10HH (30HH) (Ref. TASK 21-61-53-400-001).
 NOTE : Do not install the access panels at this time.____
 (36) Install the pipe asembly (Ref. TASK 21-52-23-400-001).
 NOTE : Do not install the access panels at this time.____
 (37) Make sure that the work area is clean and clear of tool(s) and other items. 
R  **ON A/C 151-199, 401-499,
 Subtask 21-52-21-420-050-A
R R R  B. Installation of the Air Cycle Machine (Ref. Fig. 401A/TASK 21-52-21-991-001-A) 
NOTE : Turn the sleeves (7) and (16) when you move them or when you____ install them. This will help to prevent damage to the packings (6) and (15).
 (1) Inspection of the Plenum Chamber Lip-Seal
 NOTE : This work step is not applicable to plenum chamber P/N____ 1816A0000-01.
 (a) Make sure that the lip seal (18) is correctly installed and that it is in a good condition. If necessary replace the plenum chamber
 (2) Remove the blanking caps from the disconnected line ends.
 (3) Make sure that the parts retained from the removed component are clean and in the correct condition.

 (4)
 Make sure that, where installed, the anti-ice valve sense-lines are in a good condition (Ref. TASK 21-52-00-200-003).

 (5)
 Clean the component interface and/or the adjacent area.

 (6)
 Apply lubricant:

 CAUTION : USE ONLY THE SPECIFIED LUBRICANT TO LUBRICATE THE O-RINGS
_______ AND THE PACKINGS. OTHER LUBRICANTS CAN CAUSE SMOKE OR A SMELL IN THE CABIN WHEN THEY BECOME HOT.
 (a) Apply a small quantity of:
 -COMMON GREASE (Material No. 04-007)
 or

 -LUBRICANTS (Material No. 06-007) to the new packing (6), packing (15) and packing (19) before you install them.
 NOTE : The material 04-007 is a molybdenum disulfide powder.
____ Before you can apply it you must first make it imto a paste. To do this you must mix the powder with pure water or white spirit.
 NOTE : The material 06-007 is applied dry.
____
 (7)
 Apply a small quantity of COMMON GREASE (Material No. 04-014A) to the screw connector of the sense line (11).

 (8)
 Put the sleeve (9) in position on the air cycle machine and install the clamp (10).

 NOTE : Make sure that when you look in a forward direction the screw
____
 of the clamp (9) is in the 5 o'clock position.

 (9) TORQUE the clamp (10) to between 0.08 and 0.12 m.daN (7.07 and 10.61 lbf.in).
 (10)
 Put the packing (19) in position.

 (11)
 Put the packings (6) in position on the air-cycle machine flange and on the pipe assembly flange (2).

 (12)
 Put the sleeve (7) in position on the pipe assembly flange (2).

 (13)
 Put the packings (15) in position on the air-cycle machine flange

 (12) and on the condensor flange (17).
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