(3)
Put a container in position under the hydraulic unions (20) and (21).
(4)
Release the hydraulic unions (20) and (21) to decrease the hydraulic pressure in the lock-stay actuator.
(5)
Remove the GROUND LOCK SLEEVE (460005833) or the GROUNDLOCK SLEEVE (460007280) from the applicable MLG lock stay actuator.
(6)
Install the CHECKING GAUGE (460007262) on the applicable lockstay actuator as follows:
(a)
Install the checking gage upper attachment pin in the lockstay actuator upper attachment point.
(b)
Install the checking gage lower attachment pin through the hole mark 30 on the checking gage.
(c)
Make sure that the lower attachment pin engages correctly in the lockstay actuator lower attachment point.
(7)
Disconnect the electrical cable from the applicable proximity sensor.
(8)
Connect the LAMP BOX (460005842) to the electrical connector of the applicable proximity sensor.
(9)
Connect a 28v D.C. supply to the lamp box and put the power switch to ON.
(10)
Make sure that the RED lamp on the lamp box is ON.
(11)
Set the applicable outlet cable indicator switch on the LAMP BOX to ON.
(12)
Make sure that the GREEN lamp on the lamp box is ON.
(13)
Remove the lower attachment pin from the checking gage.
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(14)
Manually move the lock-stay away from the locked down position.
(15)
Continue to move the lock-stay until the lower attachment pin can be engaged in the hole mark 20 on the checking gage. The GREEN lamp must not go OFF.
(16)
Remove the lower attachment pin from the hole mark 20 on the checking gage.
(17)
Move the lock-stay until the lower attachment pin can be engaged in the hole mark 10 on the checking gage. The GREEN lamp must go OFF.
(18)
Remove the pin from the hole mark 10 on the checking gage.
(19)
Move the lock-stay towards the locked down position.
(20)
The GREEN lamp on the lamp box must come ON before the pin can be engaged in the hole mark 20 on the checking gage.
(21)
Remove the pin and continue to move the lock-stay to the locked down position.
(22)
Engage the pin in the hole mark 30. Make sure that the GREEN lamp on the lamp box stays ON.
(23)
Do the steps (13) to (22) one more time.
(24)
Set the lamp box switches to OFF.
(25)
Install the GROUND LOCK SLEEVE (460005833) or the GROUNDLOCK SLEEVE (460007280) on the applicable MLG lock-stay actuator (Ref. TASK 32-00-00-481-001).
(26)
Remove the LAMP BOX from the applicable proximity sensor.
(27)
Connect the electrical cable to the applicable proximity sensor.
(28)
Remove the CHECKING GAUGE from the applicable lock-stay actuator.
(29)
Install the applicable MLG lock springs (Ref. TASK 32-11-19-400-001).
(30)
Tighten the hydraulic unions (20) and (21).
(a) Torque the hydraulic union (20) to between 2.4 and 2.8 m.daN
(17.69 and 20.64 lbf.ft).
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(b) Torque the hydraulic union (21) to between 1.5 and 1.6 m.daN
(11.06 and 11.79 lbf.ft). Subtask 32-31-73-820-050
C. Adjustment of the MLG Downlock Proximity Sensors 14GA, 15GA (System 1) and 16GA, 17GA (System 2)
NOTE : If the calculated clearance between the target and the sensor is
____ correct, you can install a sensor target without a spacer.
(1) If the dimension Z at sensor 15GA(14GA) is incorrect, do the steps that follow:
WARNING : CUT, REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK.
_______
LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
(a)
Remove and discard the lockwire from the cap-screws (6).
(b)
Remove the cap-screws (6) and the washers (5).
(c)
Remove the bracket (7) and the spacers (4) if installed.
(d)
Make sure that the bracket (7) is in the correct condition.
(e)
If necessary, machine the faces of the spacers (4) to get the correct dimension Z.
(f)
If it is necessary to install the spacers (4), apply PRETREATMENT FOR PAINTING (Material No. 13-002) to the faces of the spacers.
(g)
Install the bracket (7) (and if necessary, the spacers (4)) with the cap-screws (6) and the washers (5).
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