3. Job Set-up
__________ Subtask 12-14-32-941-065
A. Safety Precautions
(1)
Put the safety barriers in position.
(2)
Make sure that the ground safety locks are installed on the landing gear (Ref. TASK 32-00-00-481-001).
(3)
On panel 400VU:
-make sure that the landing-gear control-lever 6GA is in the DOWN position.
(4)
Make sure that the wheel chocks are in position at the MLG wheels. Do not put a chock at the nosewheels.
4. Procedure
_________ (Ref. Fig. 311/TASK 12-14-32-991-024) Subtask 12-14-32-220-062
A. Inspection of the MLG Shock Absorbers Before Flight
(1) Measure the dimension 'H' for each MLG shock absorber. If
-the difference between each MLG shock absorber is more than 75 mm (2.9527 in.) or
- one of the 'H' dimensions is less than 33 mm (1.2992 in.) do the steps that follow:
(a)
Do the nitrogen filling of the shock absorber (aircraft on jacks) (Ref. TASK 12-14-32-614-003).
(b)
Lower the aircraft off jacks (Ref. TASK 07-11-00-586-002).
(c)
Measure the dimension 'H' again. If:
-the difference between the two 'H' dimensions is more than 75 mm (2.9527 in.) or
- one of the 'H' dimensions is less than 33 mm (1.2992 in.) do the steps that follow:
1 Do the fluid check of the MLG shock absorber (Ref. TASK 12-12-
_
32-611-008).
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MLG Two-Stage Shock Absorber - Dimension H Figure 311/TASK 12-14-32-991-024
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NOTE : To do a check of the MLG shock absorber you must do the____
replenishment procedure.
2_ Lower the aircraft off jacks (Ref. TASK 07-11-00-586-002).
3_ Make a note in the aircraft log:
- it is recommended that you do a weight on wheels pressure
'H' dimension check (Ref. TASK 12-14-32-200-001), not less
than 24 hours after you lower the aircraft off the jacks.
NOTE : New hydraulic fluid can absorb nitrogen.____
Shock absorber nitrogen pressure can decrease.
5. Close-up________
Subtask 12-14-32-942-062
A. Removal of Equipment
(1)
Remove the warning notice(s).
(2)
Remove the safety barriers.
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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TASK 12-14-32-614-004
Check Shock Absorber Charge Pressure
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.
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. Reason for the Job
__________________
Refer to the MPD TASK: 322113-01
NOTE : You can complete this procedure with the aircraft on the ground or on
____ jacks. If the aircraft is on jacks, it must be positioned correctly (Ref. TASK 07-11-00-581-001).
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific nitrogen source No specific safety barriers No specific standard charging equipment No specific thermometer (-45 Deg.C to 70 Deg.C) No specific warning notice No specific pressure gage 100 bar (1450.3770 psi) No specific access platform 3 m (9 ft. 10 in.) No specific pressure gage 50 bar (725.1885 psi) No specific Torque Wrench : range 0.00 to 1.20 m.daN
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