(6)
Apply SEALANTS (Material No. 09-018) between the support and the forked bearing and the structure.
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Subtask 29-22-51-420-065
B. Installation of the Ram Air Turbine 2GE CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
CAUTION : YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS
_______
LUBRICANT.
CAUTION : DO NOT LIFT THE RAT BY THE TURBINE BLADES.
_______
CAUTION : DO NOT CAUSE DAMAGE TO THE MICROSWITCHES AT THE TOP OF THE LEG
_______
ASSEMBLY.
NOTE : The turbine and the leg assembly weigh a total of approximately
____ 36.1 kg (79.5868 lb).
(1)
Lift the RAT in the installation position and align the eye-end (34) with the mounting on the leg assembly (11).
(2)
Put the eye-end (34) and the leg assembly (11) in the correct position and install the bolt (21) with the washers (20), (32).
(3)
Install the nut (33) on the bolt (21) but do not tighten the nut (33) at this time.
(4)
Align the trunnion with the hole for the support bearing (62).
(5)
Put the support bearing (62) through its hole in the structure (1) and on the trunnion shaft (75).
(6)
Install the bolts (60) with the washers (61) and the nuts (63).
(7)
Make sure that the end of the trunnion shaft (75) is in the correct position.
(8)
Put the forked bearing (72) through its hole in the structure (1) and on the trunnion shaft (75).
(9)
Install the bolt (73) and the nut (78).
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(10)
Put the safety plate (74) in position on the structure (1).
(11)
Install the bolts (70) with the washers (71) and the nuts (76).
(12)
Put the support plate (80) in position on the structure (1).
(13)
Install the screws (82) with the washers (81).
(14)
Torque the nut (33) to between 4.74 and 5.29 m.daN (34.95 and 39.01 lbf.ft).
(15)
Remove the blanking plugs from the disconnected line ends.
(16)
Apply the HYDRAULIC FLUIDS (Material No. 02-003) to the threads of the line end-fittings.
(17)
Remove the blanking caps from the ports (51) and (55).
(18)
Put the hydraulic-pipe (91) in position.
(19)
Attach the union nuts (50) to the ports (51).
(20)
TORQUE the union nuts (50) to between 9.7 and 10.7 m.daN (71.53 and
78.90 lbf.ft).
(21)
Put the hydraulic-pipe (92) in position.
(22)
Attach the union nuts (54) to the ports (55).
(23)
TORQUE the union nut (54) to between 12.9 and 14.2 m.daN (95.13 and
104.71 lbf.ft).
(24)
Connect the hose (85) with the leakage drain line (87).
(25)
Safety the hose with a tyrap (86).
(26)
Install the screw (46) together with the washer (47) and the bonding strap (48) (Ref. TASK 20-28-00-912-004).
(27)
Install the swivel pin (29), the washer (90) and the distance fork
(23) in the leg assembly (11).
(28)
Install the bush (15), the bush (19), the bush (24) and the flanged bush (30) in the distance fork (23) and the swivel pin (29).
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(29) Installation of the door links. CAUTION : BE CAREFUL WHEN YOU CONNECT THE RODS TO THE RAT DOOR. IF
_______ YOU DO NOT CONNECT THESE PARTS CORRECTLY, YOU CAN CAUSE DAMAGE TO THE RODS, OR FAILURE OF THE RAT.
(a)
Put the inner door link (22) in position on the related distance fork (23).
(b)
Install the bolt (26), the washers (18), (25) and the nut (17).
(c)
Tighten the nut (17) and safety it with a new cotter pin (16).
(d)
Put the outer door link (31) in position between the forks of the swivel pin (29).
(e)
Install the bolt (27) together with the washers (28), (14) and the nut (13).
(f)
Tighten the nut (13) and safety it with a new cotter pin (12).
(30)
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