(b)
Disconnect the bonding straps (15).
(c)
Remove and discard the cotter pins (20).
(d)
Remove the castle nuts (19), the washers (18) and the bolts (21).
(e)
Remove the tie-rods (12) and/or (13).
AFT Vibration Isolator
Figure 401/TASK 49-12-53-991-002
CES 5. Close-up
________ TASK 49-12-53-400-002
Installation of the AFT Tie-Rod and Vibration Isolator (APS 3200)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific fiber-bristled brush No specific access platform 3.0 m (9 ft. 10 in.) No specific Torque Wrench : range 0.00 to 1.20 m.daN
(0.00 to 9.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00
to 75.00 lbf.ft) 98A49107504001 1 PROTECTOR - THREADS, APU MOUNTING BOLTS
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-002 USA MIL-P-8116
PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00) Material No. 05-027 USA MIL-L-81309
RUST INHIBITOR(FOR CORROSION USE 15-004)
(Ref. 20-31-00) Material No. 11-001 USA MIL-D-16791 TYPE I
DETERGENT (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3 cotter pin 49-12-04 04 -100 5 cotter pin 49-12-04 04 -110 20 cotter pin 49-12-04 04 -100 D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-28-00-912-004 Electrical Bonding of Components With Conductive
Bolts and Screws and Bonding Straps in the Fuselage
and in the Wings (this does not include the tanks)-
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action
49-00-00-080-001 Removal of the APU Hoist Tool (APS 3200)
52-41-00-010-001 Open the APU Doors for Access
52-41-00-410-001 Close the APU Doors after Access
52-41-21-000-001 Removal of the APU Access Door 315AL
52-41-22-000-001 Removal of the APU Access Door 316AR and the related
Door Mechanism
49-12-53-991-002 Fig. 401
3. Job Set-up__________
Subtask 49-12-53-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the warning notices is on panel 25VU to tell persons not to start the APU.
(2)
Make sure that the ground service network is energized (Ref. TASK 24-41-00-861-002).
(3)
Make sure that the hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the access platform is in position below the access doors 315AL and 316AR.
(5)
Make sure that the APU access doors 315AL, 316AR are open (Ref. TASK 52-41-00-010-001) or removed (Ref. TASK 52-41-21-000-001) and (Ref. TASK 52-41-22-000-001).
(6)
Make sure that the light switch 11LJ is set to on.
Subtask 49-12-53-865-055
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
4. Procedure
_________
(Ref. Fig. 401/TASK 49-12-53-991-002)
Subtask 49-12-53-210-053
A. Preparation for Installation
(1)
Clean the tie-rods (12) and (13) and the vibration isolator (10) with solvent CLEANING AGENTS (Material No. 11-001) and a fiber-bristled brush.
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