R 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 36-12-11-860-050
B. Aircraft Maintenance Configuration
(1)
Put the warning notice in position:
-in the cockpit on the AIR COND Overhead Control Panel 30VU to tell persons not to push in the APU BLEED pushbutton switch.
(2)
Put the access platform(s) 2.1 m (6.88 ft.) or 3.6 m (11.81 ft.) in position at the AFT cargo-compartment door or the access door 312AR.
Subtask 36-12-11-010-050
C. Get Access
(1)
Open the AFT cargo-compartment door (Ref. TASK 52-30-00-860-001) or the access door 312AR.
(2)
In the AFT cargo compartment remove the partition panel 161DW.
4. Procedure
_________
(Ref. Fig. 401/TASK 36-12-11-991-001)
Subtask 36-12-11-020-050
A. Removal of the Spring Rods
NOTE : The removal procedure for all spring rods is the same.
____
(1)
Remove and discard the cotter pin (4).
(2)
Remove and retain the castle nut (3) and the washer (2).
(3)
Hold the spring rod (5),(7) and (8) and remove the bolt (1) from the
structure bracket and the bolt (6) from the duct bracket.
(4)
Retain the bolts (1) and (6).
(5)
Remove the spring rod (5),(7) and (8).
Spring Rods (FR65, FR68, FR72 and FR74)
Figure 401/TASK 36-12-11-991-001
1EFF : ALL 1 36-12-11 Page 403
1 1 Feb 01/98
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TASK 36-12-11-400-001
Installation of the Spring Rods (FR65, FR68, FR72 and FR74)
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
WORK ON THE PNEUMATIC SYSTEM.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform(s) 2.1 m (6.88 ft.) or 3.6 m (11.81 ft.) No specific warning notice R
R B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 36-12-11-991-001 Fig. 401
3. Job Set-up
__________
Subtask 36-12-11-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the warning notice is in position:
-in the cockpit on the AIR COND Overhead Control Panel 30VU to tell persons not to push in the APU BLEED pushbutton switch.
(2)
Make sure that the access platform(s) 2.1 m (6.88 ft.) or 3.6 m
(11.81 ft.) is in position at the AFT cargo-compartment door or the access door 312AR.
Subtask 36-12-11-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 36-12-11-210-050
C. Inspection of the Spring Rod
(1)
Make sure that the spring rod is not damaged and does not have corrosion.
(2)
Make sure that the piston part of the spring rod moves freely in the cylinder part.
(3)
Make sure that you can see the threaded end of the spring rod through the inspection hole.
4. Procedure
_________ (Ref. Fig. 401/TASK 36-12-11-991-001) Subtask 36-12-11-420-050
A. Installation of the Spring Rods
NOTE : The installation procedure for all spring rods is the same.
____
(1)
Correctly install the spring rod (5),(7) and (8) between the structure and the duct bracket.
(2)
Install the bolt (1) to the structure bracket and the bolt (6) to the duct bracket.
(3)
Install the retained washer (2) and the castle nut (3).
(4)
Safety the castle nut (3) with the cotter pin (4).
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