WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY
_______
OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
98F29103500000 1 FILL UNIT - NITROGEN
FOR FIN 2070GM
No specific access platform
No specific warning notices
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 19-014 USA MIL-P-27401 TYPE 1 GRADE A R NITROGEN,(GASEOUS) (Ref. 20-31-00) C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-10-00-200-008 Check Nitrogen Charge Pressure on Hydraulic Power Accumulators
**ON A/C 001-001, 051-052,
12-14-29-991-001 Fig. 301
R **ON A/C 002-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
12-14-29-991-001-A Fig. 301A
**ON A/C ALL
12-14-29-991-003 Fig. 302
FOR FIN 1070GM
29-10-00-864-001 Depressurize the Green Hydraulic System
32-12-00-010-001 Open the Main Gear Doors for Access
32-12-00-410-001 Close the Main Gear Doors after Access
FOR FIN 3070GM
29-10-00-864-002 Depressurize the Yellow Hydraulic System
FOR FIN 2070GM
29-10-00-864-003 Depressurize the Blue Hydraulic System
3. Job Set-up
__________
Subtask 12-14-29-010-052
A. Get Access
(1) Open the applicable access door/panel: FOR 1070GM - open the left MLG door (Ref. TASK 32-12-00-010-001). FOR 3070GM - open the access panel 196BB. FOR 2070GM - open the access panel 195BB.
Subtask 12-14-29-860-050
B. Aircraft Maintenance Configuration
(1)
Depressurize the applicable hydraulic system:
FOR 1070GM
-
depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-
001).
FOR 3070GM
-
depressurize the Yellow hydraulic system (Ref. TASK 29-10-00-864-
002).
FOR 2070GM
-
depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
(2)
Put warning notices in position to tell persons not to pressurize the applicable hydraulic system: - on the applicable ground service panel, - on the panel 40VU in the cockpit.
(3)
Put an access platform below the MLG bay.
4. Procedure
_________
**ON A/C 001-001, 051-052,
(Ref. Fig. 301/TASK 12-14-29-991-001)
R **ON A/C 002-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 301A/TASK 12-14-29-991-001-A)
**ON A/C ALL
(Ref. Fig. 302/TASK 12-14-29-991-003)
Hydraulic Power Accumulators - Location
Figure 301/TASK 12-14-29-991-001- 12 (SHEET 1)
R 1EFF : 001-001, 051-052, 1 12-14-29Page 304 1 1 May 01/05 1 1 1CES 1
Hydraulic Power Accumulators - Location
Figure 301/TASK 12-14-29-991-001- 22 (SHEET 2)
R 1EFF : 001-001, 051-052, 1 12-14-29Page 305 1 1 May 01/05 1 1 1CES 1
Hydraulic Power Accumulators - Location
Figure 301A/TASK 12-14-29-991-001-A12 (SHEET 1)
R 1EFF : 002-049, 053-099, 101-149, 151-199, 1 12-14-29Page 306 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
Hydraulic Power Accumulators - Location
Figure 301A/TASK 12-14-29-991-001-A22 (SHEET 2)
R 1EFF : 002-049, 053-099, 101-149, 151-199, 1 12-14-29Page 307 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
R Hydraulic Power Accumulator - Pressure Graph Figure 302/TASK 12-14-29-991-003
1EFF : 1 1 1CES ALL 1 111 12-14-29 Page 308 May 01/04
Subtask 12-14-29-614-052
A. Fill the Applicable Accumulator with Nitrogen.
(1) Do a check of the nitrogen pressure gage, before you fill the applicable accumulator:
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