4. Procedure
_________
(Ref. Fig. 401/TASK 27-26-17-991-001)
Subtask 27-26-17-910-050
A. Preparation for the Installation
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.
(1)
Make sure that the paintwork and the structure of the vertical stabilizer (1) and the rudder (2) are in the correct condition.
(2)
Clean the interface of the support bracket (8) with CLEANING AGENTS (Material No. 11-004) and let it dry.
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(4)
Make sure that the bonding jumpers (17) are in the correct condition.
(5)
Make sure that the electrical connectors are clean and in the correct condition.
(6)
Apply COMMON GREASE (Material No. 04-004) to the bush (21) and the threads of the bolts (6),(7) and (22).
(7)
Apply SPECIAL MATERIALS (Material No. 05-005) to the shafts of the bolts (6),(7) and (22).
(8)
Apply a thin layer of SPECIAL MATERIALS (Material No. 05-005) to the interface of the support bracket (8) and the the replacement transducer unit (3) (Ref. TASK 51-75-13-916-002).
Subtask 27-26-17-420-050
B. Installation of the Yaw Damper Position Transducer Unit 2CC
(1)
Install the transducer unit (3) at the support bracket (8) as follows:
(a)
Put the flange (20) in position at the support bracket (8) and attach it with the bolts (6) and (7), the washers (16) and the bolt (15).
(b)
Tighten the nuts (15) and safety them with the new cotter pins (14).
(2)
Connect the push-rod (13) to the transducer unit (3) as follows:
(a)
Install the bush (21) in the transducer lever (12).
(b)
Put the push-rod (13) in position in the transducer lever (12) and attach it wit the bolt (22), the washer (11) and the nut (10).
(c)
TORQUE the nut (10) to 0.8 m.daN (70.79 lbf.in) and safety it with a new cotter pin (9).
(3)
Remove the blanking caps from the electrical connectors.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Connect the electrical connectors (18) to the plugs (19). NOTE : Make sure that the cables of the electrical connectors (18) do
____ not rub on the spar box of the vertical stabilizer (1).
Subtask 27-26-17-820-050
C. Adjustment Procedure
(Ref. Fig. 401/TASK 27-26-17-991-001)
(1) Make sure that the rigging pin (23) of the transducer (3) can be installed and removed easily.
NOTE : The rigging pin (23) is part of the transducer.
____
(2) If you can not install the rigging pin (23) easily, adjust the length of the push rod (13) as follows:
(a) Cut and remove the lockwire from the nuts (24).
(b) Loosen the nuts (24).
(c) Turn the rod body as required until you can install and remove the rigging pin (23) easily.
(d) Tighten the nuts (24) and safety them with lockwire corrosion-resistant steel 0.8 mm (0.032 in.).
(e) Make sure that the rigging pin (23) can be installed and removed easily.
(f) Make sure that the rigging pin (23) is clear of the housing.
Subtask 27-26-17-080-050
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