(44.24 and 88.49 lbf.in).
(g)
Safety the sensors (32) and (34) with corrosion-resistant steel lockwire (0.0236 in.) dia.
(h)
Put the flange gaskets (46) in position on the supply ducts (45) and (47).
(i)
Put the supply duct (45) in position in the mixer unit (33) and install the washers (44) and the screws (43).
(j)
Install the washer (50) and the nut (51).
(k)
Put the supply duct (47) in position in the mixer unit (33) and install the washers (48), and the screws (49).
(l)
Install the washer (42) and the nut (41).
(m)
Remove the blanking plugs from the back-up flap assembly (22).
(n)
Put the seal (24) and the back-up flap assembly (22) in position on the mixer unit (33).
(o) Install the bolts (23), the washers (25) and the nuts (26). Subtask 21-21-43-420-050
B. Installation of the Mixer Unit
(1)
Remove the blanking plugs from the flanges (55) and (56), and the sleeves (9), (20), (27) and (29).
(2)
Make sure that the ducts are clean and that there are no blockages.
(3)
Put the mixer unit (33) in position and install the washers (12), the bolts (13) and the nuts (11).
(4)
Put the tie-rod (2) in position and install the washer (5), the bolt (1), the washer (3) and the nut (4).
(5)
Make sure that the O-rings (52) are in position and move the sleeve
(54) up and onto the supply duct flange (45).
NOTE : Make sure that the sleeve (54) is over both of the flanges
____ (45) and (55).
(6)
Install the clamp (53).
(7)
Make sure that the O-rings (52) are in position and move the sleeve
(54) up and onto the supply duct flange (47).
NOTE : Make sure that the sleeve (54) is over both of the flanges
____ (47) and (56).
(8)
Install the clamp (53).
(9)
Put the sleeves (9), (20), (27) and (29) in position on the mixer
unit (33).
NOTE : The ends of the sleeves must be within the coloured markings
____
on the related flanges on the mixer unit.
(10)
Install the clamps (10), (20), (28) and (30).
(11)
Remove the blanking caps from the disconnected electrical connectors.
(12)
Make sure that the electrical connectors are clean and in the correct condition.
(13)
Connect the electrical connectors (8), (14) and (15).
(14)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 21-21-43-865-052
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
49VU AIR COND/FLOW/CTL &/IND1 1HB D07
R **ON A/C 401-499,
49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC 52HH D08
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 122VU AIR COND/FLOW/MIXER/FLAP 122VU AIR COND/FLOW/CTL AND IND/2 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS2 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS1 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS2 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS1 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 3HB 2HB 4HK 3HK 2HK 1HK 21HH 23HH 1HH 3HH 24HH 22HH V22V21V20V19V18V17W22W21X22X21Y21Y20
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC 4HH Y19
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18
R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C ALL
R R R R 122VU AIR COND/RECIRC FAN/R/CTL 122VU AIR COND/RECIRC FAN/R/SPLY 122VU AIR COND/RECIRC FAN/L/CTL 122VU AIR COND/RECIRC FAN/L/SPLY 11HG 3HG 2HG 1HG W20 W18 X20 X18
R **ON A/C 106-149, 303-399,
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