R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 36-22-17Page 407 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R APU Overheat Sensing-Elements 11HF,12HF,84HF,13HF,14HF,15HF,16HF, R 17HF,18HF,19HF and 20HF R Figure 401A/TASK 36-22-17-991-001-A
R 1EFF : 301-399, 1 36-22-17Page 408 1 1 May 01/04 1 1 1CES 1R **ON A/C ALL
Subtask 36-22-17-020-051
A. Removal of the Sensing Elements CAUTION : REMOVE OR INSTALL THE SENSING ELEMENTS CAREFULLY. DO NOT TWIST,
_______
BEND OR CAUSE KINKS IN THE SENSING ELEMENTS.
(1)
Remove and discard the lockwire from the bracket and the union nut (2).
(2)
Loosen the union nut (2).
(3)
Remove and discard the lockwire from the bracket and the retaining nut (1).
(4)
Remove the retaining nut (1).
(5)
Remove the bonding jumper from the socket.
(6)
Attach the sensing element to the bracket.
(7)
Put blanking caps on the disconnected electrical connector(s) and on the receptacle(s).
(8)
Loosen the camloc (3) and open the clamp (5).
(9)
Remove the sensing element with the attached grommet (4) from the clamp (5).
(10)
Remove the grommet (4) from the sensing element.
(11)
On the bulkhead remove and discard the lockwire from the union nut
(2) and the bulkhead connection (6).
(12)
Loosen the union nut (2).
(13)
Put blanking caps on the disconnected connector(s).
R 1EFF : ALL 1 36-22-17Page 409 1 1 May 01/04 1 1 1CES 1
TASK 36-22-17-400-001 Installation of the APU Overheat Sensing-Elements WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
WORK ON THE PNEUMATIC SYSTEM.
NOTE : The installation procedure for all sensing elements of the leak
____
detection system (single loop 125 degree) is the same.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific adjustable access platform 2.5 m (8 ft. 2 in.)
No specific access platform 3.0 m (9 ft. 10 in.) R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire, corrosion-resistant steel dia 0.8 mm
(0.032 in.)
No specific lockwire, corrosion-resistant steel dia. 0.8 mm
(0.032 in.)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-55-11-000-001 25-55-11-400-001 Removal of the AFT Cargo-Compartment Partition FR47Installation of the AFT Cargo-Compartment Partition FR47
25-55-12-000-001 25-55-12-400-001 Removal of the AFT Cargo Compartment Partition FR65Installation of the AFT Cargo Compartment Partition FR65
36-22-00-710-001 52-30-00-860-001 52-30-00-860-002 Operational Test of the Overheat Detection SystemOpen the FWD or AFT Cargo-Compartment Door with the Yellow Electric PumpClose the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
36-22-17-991-001 Fig. 401
**ON A/C 301-399,
36-22-17-991-001-A Fig. 401A
**ON A/C ALL
36-22-17-991-010 Fig. 402
36-22-17-991-011 Fig. 403
3. Job Set-up
__________
R **ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 36-22-17-860-050
A. Aircraft Maintenance Configuration
(1)
For access to the overheat sensing elements between FR49 and FR50:
(a)
Make sure that the adjustable access platform is in position.
(b)
Make sure that the access panel 197BB is open.
(2)
For access to the APU overheat sensing elements between FR46 and FR70 from the AFT cargo compartment:
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