3. Job Set-up
__________
Subtask 32-12-15-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the electrical circuits are de-energized (Ref. TASK 24-41-00-862-002) or the flight configuration precautions were obeyed (Ref. TASK 32-00-00-860-001).
(2)
Make sure that the PTU isolation coupling is disconnected (Ref. TASK 29-23-00-860-001).
(3)
Make sure that the handle of the new MLG door control-unit is in the closed position.
(4)
Make sure that the RIGGING PIN is in position through the actuating lever and into the bypass valve 2517GM (2518GM).
(5)
Make sure that the Green hydraulic system is depressurized (Ref. TASK 29-10-00-864-001).
(6)
Make sure that the warning notices are in position to tell persons not to pressurize the Green hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Green hydraulic system.
Subtask 32-12-15-865-052
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R 49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
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4. Procedure
_________ Subtask 32-12-15-420-050
A. Installation of the Control Unit (11)
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______ SPECIAL MATERIAL. THIS MATERIAL IS DANGEROUS.
(a) Apply SPECIAL MATERIALS (Material No. 05-002) to the bolts (9) and the washers (10).
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
1_ Apply SEALANTS (Material No. 09-005) to the interface of the
control unit (11).
2_ Put the control unit (11) in position and install the washers
(10) and the bolts (9).
3_ Apply corrosion protection to the heads of the bolts (9)
(Ref. TASK 51-75-13-916-002).
4_ Put the control cable (2) in position in the bracket (1). Make
sure that the bracket (1) is between the washers (12).
5_ TORQUE the locknut (3) to 3 m.daN (22.12 lbf.ft).
6_ Safety the locknut (3) with corrosion-resistant steel lockwire
0.8 mm (0.032 in.) dia.
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B. Check of the Adjustment of the Door Ground-Opening Control
WARNING : WEAR GOGGLES WHEN YOU REMOVE OR INSTALL THE LOCKWIRE. CUT,
_______ REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
(1)
Put the angle joint (4) in position at the support (5). If necessary adjust the position of the angle joint (4):
-remove and discard the lockwire from the locknut (14),
-loosen the locknut (14),
-adjust the angle joint (4) until you can connect it to the support (5).
-TORQUE the locknut (14) to 0.3 m.daN (26.54 lbf.in).
(2)
Make sure that the angle joint (4) is in safety.
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