(d)
Put the sleeve (59) in position on the flange (10).
(e)
Put the retaining cables (60) in position in the flange (10) and install the new washers (64) and the new nuts (66).
(f)
Put the retaining cables (96) in position on the flange (4) and install the new washers (64) and the new nuts (66).
(g)
Put the sleeve (88) in position on the flange (4).
(h)
Torque the nuts (65) and (66) to between 0.8 and 1.0 m.daN (70.79 and 88.49 lbf.in).
(i)
Wipe clean the excess COMMON GREASE (Material No. 04-012) from the retaining cables (96).
(3) Install the pipe assembly 11HM10 (11HM11) (Ref. TASK 21-52-23-400-001).
NOTE : Do not install the access panel/s at this time.
____
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(4)
Put the clamp (12) and the sleeve (13) in position on the heat
exchanger unit (7).
(5)
Torque the clamp (12) to between 0.08 and 0.12 m.daN (7.07 and 10.61 lbf.in).
(6)
Put the sleeve (16) and the duct (15) in position on the heat
exchanger unit (7).
(7)
Remove the protective cover from the cooling elements of the heat
exchanger unit (7).
(8)
Install the inlet plenum (46):
(a)
For the left heat exchanger unit (10HM4), 1 Put the seals (43) and (47), and the inlet plenum (46) in
_
position on the heat exchanger unit (7).
(b)
For the right heat exchanger unit (11HM4), 1 Put the seals (143) and (147), and the inlet plenum (46) in
_
position on the heat exchanger unit (7).
(9) Install the screws (48), the washers (49) and the nuts (50).
(10)
Put the bonding strap (41) in position and install the screw (42), the washer (44) and the nut (45) (Ref. TASK 20-28-00-912-004).
(11)
Put the clamp (9) and the sleeve (8) in position on the heat exchanger unit (7).
(12)
Tighten the clamp (9).
(13)
Install the air conditioning pack 10HM (11HM) (Ref. TASK 21-52-41-400-001).
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Subtask 21-52-24-710-051
C. Test
(1)
Do the pre-conditioning through the HP ground connector (Ref. TASK 12-33-21-618-001) or with the APU (Ref. TASK 12-33-21-618-001).
(2)
Do a leak check of the heat exchanger unit connections. NOTE : Minimum leakage is permitted. After the pack operates some
____ minutes, the leakage of air will reduce because the seals have their correct operating temperature.
(3)
After approx. 15 minutes stop the pre-conditioning (Ref. TASK 12-33-21-618-001) (Ref. TASK 12-33-21-618-001).
(4)
Do the operational test of the cockpit and cabin temperature control (Ref. TASK 21-63-00-710-004).
5. Close-up
________ Subtask 21-52-24-410-052
A. Close Access
(1) Install the access panel/s (Ref. TASK 53-35-13-400-002).
(a)
FOR 10HM4
-191KB
-191BB,
(b)
FOR 11HM4
-192KB
-192FB.
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HEAT EXCHANGER UNIT (10HM4,11HM4) - INSPECTION/CHECK
____________________________________________________
TASK 21-52-24-200-001
Attachment Components (In-Service Wear Limits) - Heat Exchanger 10HM4 (11HM4)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
21-52-00-300-001 Attachment Components - Repair/Replacement
R CMM 215211
R CMM 215212
21-52-24-991-004 Fig. 601
3. Job Set-up
__________
Subtask 21-52-24-860-054
A. Aircraft Maintenance Configuration
(1) Make sure that the applicable components are disassembled to do the inspection procedure.
4. Procedure_________
(Ref. Fig. 601/TASK 21-52-24-991-004)
Subtask 21-52-24-210-053
A. Visual Inspection of the Spherical Bearings in the Support Rods and Bracket
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