(2)
Make sure that the warning notices are in position.
(3)
Make sure that the rudder pedals are in the neutral position.
(4)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(5)
Apply COMMON GREASE (Material No. 04-004) to the bush (11) and the screws (5) and (7).
(6)
Apply a thin layer of SPECIAL MATERIALS (Material No. 05-005) (Ref. TASK 51-75-13-916-002) to the component interface of the transducer 42WV (3) and the support bracket (6).
R R (4) Make sure that the RUD TRIM indicator on the panel 110VU of the center pedestal shows zero.
R R (5) Make sure that the FLT CTL/FAC 1 pushbutton switch on the overhead panel 23VU is released and the OFF legend is on.
R R (6) Make sure that the FLT CTL/FAC 2 pushbutton switch on the overhead panel 24VU is released and the OFF legend is on.
R (7) Make sure that the access platform is in position.
R R (8) Make sure that the access panels 325BL, 325BR, 325CL, 325CR are open (Ref. TASK 55-33-13-010-002).
R R (9) Make sure that the rigging pin RIGGING PIN SET (98D27207516000) is installed in the input lever of the lower servo control.
Subtask 27-25-17-865-052
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FAC1/28VDC 5CC1 B04 49VU AUTO FLT/FAC1/26VAC 14CC1 B03 121VU AUTO FLT/RUDDER/TRIM/IND 15CC M20 121VU AUTO FLT/FAC2/28VDC 5CC2 M19 121VU AUTO FLT/FAC2/26VAC 14CC2 M18
4. Procedure_________
(Ref. Fig. 401/TASK 27-25-17-991-001)
Subtask 27-25-17-910-050
A. Preparation for the Installation
(1) Clean the interface of the support bracket (6) with CLEANING AGENTS (Material No. 11-004) and let it dry.
(2) Clean the component interface and/or the adjacent area.
(3) Do an inspection of the component interface and/or the adjacent area.
NOTE : Make sure that the bonding areas on the transducer 42WV (3)
____
and the support bracket (6) stay clean.
Subtask 27-25-17-420-050
B. Installation of the Rudder Position Transducer Unit 42WV
(1) Install the transducer unit (3) to the support bracket (6) as follows:
(a)
Put the transducer unit (3) in position at the support bracket
(6)
and attach it with the screws (7), the washers (16) and the nuts (17).
(b)
Put the bonding jumpers (9) and (22) in position and attach them with the screw (8), the washer (16) and the nut (17) (Ref. TASK 20-28-00-912-004).
(c)
Tighten the nuts (17) and safety them with the new cotter pins (18).
Subtask 27-25-17-865-050
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CC1, 5CC2, 14CC1, 14CC2, 15CC.
Subtask 27-25-17-820-050
D. Adjustment Procedure
(1)
Remove the rigging pin (27) from the housing of the transducer unit (3).
(2)
Move the rigging pin (27) into the lever (15) so that it engages with the housing of the transducer unit (3).
1EFF : ALL 1 27-25-17Page 409 1 1 Aug 01/01R 1 1 1CES 1
(3) If you can not install the rigging pin (27) easily, do an adjustment of the rudder position indicating (Ref. TASK 27-25-00-820-001).
(4) Put the rigging pin (27) back into related the housing of the trancuder unit (3).
NOTE : The rigging pin (27) is a part of the transducer (3).____
Subtask 27-25-17-710-050
E. Test Procedure
(1) Remove the rigging pin 98D27207516090 from the input lever of the lower servo control.
(2) Do an operational test of the rudder-position indicating system (Ref. TASK 27-24-00-710-001).
5. Close-up________
R Subtask 27-25-17-410-050-A
R A. Close Access
R R (1) Make sure that the work area is clean and clear of tool(s) and other items.
R R (2) Close the access panels 325BL, 325CL, 325BR, 325CR (Ref. TASK 55-33-13-410-002).
R (3) Remove the warning notice(s).
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