-make sure that the landing-gear control-lever 6GA is in the DOWN position
-put a warning notice in position on panel 400VU to tell persons not to operate the landing gear.
(3)
Make sure that the safety locks are on the MLG (Ref. TASK 32-00-00-481-001).
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(4) Put a warning notice in position to tell persons not to pressurize the hydraulic systems.
Subtask 32-11-00-860-053
B. Aircraft Maintenance Configuration
(1)
Open the main gear doors (Ref. TASK 32-12-00-010-001).
(2)
Make sure that the GROUND LOCK SLEEVE is on the applicable main gear door actuator.
(3)
Make sure that the Green hydraulic system is depressurized (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the Green hydraulic reservoir (Ref. TASK 29-14-00-614-001).
Subtask 32-11-00-010-068
C. Get Access
(1) Put the access platform in position below the applicable MLG lockstay, at zone 731 or 741.
4. Procedure
_________
(Ref. Fig. 601/TASK 32-11-00-991-026, 602/TASK 32-11-00-991-024) Subtask 32-11-00-220-054
A. Dimensional Check of the Length of the Lockstay Actuator
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
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Lockstay Actuator - Dimensional Check Figure 601/TASK 32-11-00-991-026
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Dimensional Check of the MLG Lockstay Assembly Figure 602/TASK 32-11-00-991-024
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(1)
Do a dimensional check of the MLG lockstay actuator by one of the procedures that follow.
(2)
Dimensional check of the length of the lockstay actuator: (Ref. Fig. 601/TASK 32-11-00-991-026)
(a)
Make sure that the lockstay actuator is fully extended.
(b)
Measure the dimension between the centers of the side-stay/lockstay attachment pins of the lockstay actuator.
(c)
The dimension must be 674 mm +/-0.3 mm (26.53 in. +/-0.012 in.).
(d)
If you need to adjust the length of the lockstay actuator, do these steps:
(e)
Do again the steps (2)(a) to (2)(c).
(3)
Use of the CHECKING GAUGE (460007262) to do a dimensional check of the lockstay actuator. (Ref. Fig. 602/TASK 32-11-00-991-024)
(a)
Remove the sealant, with a non metallic scraper, from the heads of the attachment pins for the lockstay actuator.
(b)
Make sure that the head of the lockstay actuator/lockstay attachment pin (5) is aligned aft (head up when the landing gear is retracted).
(c)
If the head of the pin (5) is aligned forward, do these steps: 1 Make sure that the aircraft is on jacks (Ref. TASK 07-11-00-
1_ Remove the lockstay actuator (Ref. TASK 32-11-21-000-001).
2_ Adjust the lockstay actuator to the correct length in
accordance with the (Ref. CMM 321121).
3_ Install the lockstay actuator (Ref. TASK 32-11-21-400-001).
_ 581-001).
2 Remove and discard the cotter pin (8).
_
3 Remove the nut (7) and the washer (6).
_
4 Hold the lockstay actuator (3.3 kg (7.28 lb)) and remove the
_ pin (5), the washer (4) and the washers (9).
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5_ Install the pin (5) with the head aligned aft, the washer (4)
and the washers (9).
6_ Install the washer (6) and the nut (7). Tighten the nut (7)
with your hand.
(d)
Make sure that the lockstay actuator is fully extended.
(e)
Put the CHECKING GAUGE (1) in position on the lockstay actuator.
(f)
Install the pins (2) and (3) through the holes in the CHECKING GAUGE (1).
NOTE : The pin (3) must go through the hole in the CHECKING GAUGE
____ (1) identified with the number 30.
(g)
Use the minimum force to insert the pins (2) and (3) in the attachment pins of the lockstay actuator.
(h)
If you need to adjust the length of the lockstay actuator so that the pins (2) and (3) engage correctly, do these steps:
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