(3)
Connect the FILL UNIT - NITROGEN (98F29103500000) or a nitrogen bench capable of maximum pressure 155 bar (2248.0843 psi) to the charging valve (2).
(4)
Loosen the charging valve nut (2).
(5)
Open the control valve slowly and fill the hydraulic power accumulator with MISCELLANEOUS (Material No. 19-014) to the correct pressure for the ambient temperature.
NITROGEN PRESSURE
------------------------------------------------I deg.F I PSI I I deg.C I PSI I I-----------I-----------I I----------I----------I I -5 I 1570 I I -20 I 1570 I I 0 I 1580 I I -15 I 1595 I I +5 I 1595 I I -10 I 1620 I I +10 I 1610 I I -5 I 1670 I I +15 I 1620 I I 0 I 1710 I I +20 I 1650 I I +5 I 1755 I I +25 I 1680 I I +10 I 1800 I I +30 I 1710 I I +15 I 1840 I I +35 I 1725 I I +20 I 1890 I I +40 I 1750 I I +25 I 1930 I I +45 I 1775 I I +30 I 1970 I I +50 I 1800 I I +35 I 2015 I I +55 I 1820 I I +40 I 2060 I I +60 I 1850 I I +45 I 2095 I I +65 I 1870 I I +50 I 2130 I I +70 I 1890 I I +55 I 2175 I I +75 I 1920 I I +60 I 2220 I I +80 I 1940 I I +85 I 1970 I I +90 I 1990 I I +95 I 2010 I I +100 I 2040 I I +105 I 2060 I I +110 I 2085 I I +115 I 2105 I I +120 I 2130 I I +125 I 2145 I I +130 I 2170 I I +135 I 2195 I I +140 I 2220 I ---------------------------------------------------
Table I
(6)
When the pressure is stable and correct, tighten the charging valve nut (2).
(7)
Make sure that the pressure shown on the pressure gage (3) is correct.
(8)
Stop the supply and remove the nitrogen filling system from the charging valve (2).
(9)
Install the blanking cap (1) on the charging valve (2).
5. Close-up
________ Subtask 12-14-29-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the applicable access door/panel:
FOR 1070GM
-
close the left MLG door (Ref. TASK 32-12-00-410-001). FOR 3070GM
-
close the access panel 196BB.
FOR 2070GM
-close the access panel 195BB. Subtask 12-14-29-860-051
B. Put the aircraft back to the serviceable condition.
(1)
Remove the warning notice(s).
(2)
Remove the access platform(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
LANDING GEAR - SERVICING
________________________ TASK 12-14-32-614-001 Nitrogen Filling of the Tires WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE. WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers
No specific tire inflation adaptor and pressure gage
No specific tire inflation cart
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)
3. Job Set-up
__________
Subtask 12-14-32-941-062
A. Safety Precautions
(1) Put the safety barriers in position.
Subtask 12-14-32-941-051
R B. Preparation
WARNING : LET THE BRAKES AND THE WHEELS BECOME COOL BEFORE YOU GO NEAR
_______ THE LANDING GEAR. DO NOT APPLY A LIQUID OR GAS FIRE EXTINGUISHER DIRECTLY ON A HOT WHEEL OR BRAKE UNIT. THIS COULD CAUSE AN EXPLOSION.
WARNING : DO NOT PUT COMPRESSED GAS IN CONTACT WITH YOUR SKIN. THE GAS
_______ CAN GO THROUGH THE SKIN AND MAKE BUBBLES IN THE BLOOD. THIS CONDITION CAN KILL YOU.
(1)
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