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3. Job Set-up
__________
Subtask 32-11-11-941-059
A. Safety Precautions
(1)
Put the safety barriers in position.
(2)
On the panel 400VU:
-make sure that the landing-gear control-lever 6GA is in the down position
-put a warning notice in the cockpit to tell persons not to operate the landing gear.
(3)
Put a warning notice on the ground service connection to tell persons not to pressurize the Green and Yellow hydraulic systems.
(4)
Make sure that the ground safety locks are on the landing gear (Ref. TASK 32-00-00-481-001).
Subtask 32-11-11-860-067
B. Aircraft Maintenance Configuration
(1)
Disconnect the isolation coupling of the PTU (Ref. TASK 29-23-00-860-001).
(2)
Depressurize the Green and the Yellow hydraulic systems (Ref. TASK 29-10-00-864-001), (Ref. TASK 29-10-00-864-002).
(3)
Depressurize the applicable hydraulic reservoirs (Ref. TASK 29-14-00-614-001).
Subtask 32-11-11-869-060
C. Flight Configuration Precautions
(1)
If the electrical power is not necessary for other maintenance tasks, de-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002). Then it is not necessary to operate the LGCIU circuit breakers.
(2)
If the electrical power is necessary, do the precautions for flight configuration (Ref. TASK 32-00-00-860-001) before you open the circuit breakers.
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Subtask 32-11-11-865-059
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
Subtask 32-11-11-010-061
E. Get Access
(1) Put the access platform below the applicable MLG forward pintle pin, zone 571 or 671.
Subtask 32-11-11-140-051
F. Preparation for Inspection
(1) Clean the area around the forward pintle pin (6) with MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026). Make sure that the sealant on the head of the lockbolt (1) and on the nut (3) can be clearly seen.
4. Procedure_________
R (Ref. Fig. 602/TASK 32-11-11-991-024)
R **ON A/C 051-052,
R (Ref. Fig. 603/TASK 32-11-11-991-025-A)
R **ON A/C 001-049, 051-061, 101-105, 201-203,
R Post SB 57-1104 For A/C 051-052,
R (Ref. Fig. 603A/TASK 32-11-11-991-025)
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MLG Forward Pintle Pin and Lockbolt
Figure 602/TASK 32-11-11-991-024
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Spherical Bearing - MLG Forward Pintle Pin R Figure 603A/TASK 32-11-11-991-025
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Subtask 32-11-11-210-061
A. Detailed Inspection of Forward Pintle Pin Lock Bolt Installation
(1)
Examine the forward pintle pin and make sure that:
-
the lockbolt (1) is not missing
-
the sealant on the head of the lockbolt (1) is not cracked or broken. Cracked or broken sealant shows that movement of the lockbolt (1) has occurred.
(2)
If the lockbolt (1) is missing, do the detailed visual inspection of the forward pintle pin and spherical bearing at Para 4.C.
(3)
If the lockbolt (1) is in position but the sealant is cracked or broken, do the detailed visual inspection of the lockbolt at Para
4.B.
(4)
If the lockbolt (1) is in position and the sealant is not cracked or broken, lubricate the spherical bearing (18) through the greasers
(17) (Ref. TASK 12-22-32-640-001).
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