Installation of the Rudder Control Frame

TASK 27-21-47-400-001-A
Installation of the Rudder Control Frame

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

WARNING: PRESSURIZE ONLY THE HYDRAULIC SYSTEM(S) THAT IS (ARE) NECESSARY FOR THE TASK. ISOLATE THE OTHER HYDRAULIC SYSTEM(S) BEFORE YOU SUPPLY HYDRAULIC POWER TO THE AIRCRAFT.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 325

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
98D27207546000	1	PIN-RIGGING
98D27207547000	1	PIN-RIGGING

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03GBD1)	Synthetic Oil base Grease-General Purpose Lithium Thickened -
(Material No.03HBD9)	Synthetic Ester base Grease-General Purpose Low Temp -
(Material No.05ABF1)	Retaining adhesive-Cylindrical fitting Medium strength Low viscosity -
(Material No.06LCG9)	Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.08BBB1)	Non Aqueous Cleaner-- Petroleum Based -
(Material No.12ABE2)	Corrosion Preventive Compound-Water Displacing Oily Film System

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
325	VERTICAL STABILIZER TRAILING EDGE
312AR, 325BL, 325BR, 325CL

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
20	COTTER PINS	AIPC 27-21-04-12-100
44	COTTER PINS	AIPC 27-21-04-12-100
40	COTTER PIN	AIPC 27-21-04-21-120
31	COTTER PIN	AIPC 27-21-04-22-100
106	COTTER PINS	AIPC 27-21-84-07-060
20	COTTER PINS	AIPC 27-21-84-07-060
44	COTTER PIN	AIPC 27-21-84-07-060
40	COTTER PIN	AIPC 27-21-84-08-010
31	COTTER PIN	AIPC 27-21-84-12-010

E. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 27-22-51-400-001-A	Installation of the Rudder Trim Actuator
TASK 27-23-41-400-001-A	Installation of the Artificial Feel and Trim Unit
TASK 27-24-00-710-001-A	Operational Test of the Rudder Hydraulic Actuation
TASK 27-26-41-400-001-A	Installation of the Centering Spring Rod for the Actuator of the Yaw Damper Servo
TASK 27-26-51-400-001-A	Installation of the Yaw Damper Servo Actuator
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 53-55-12-000-001-A	Removal of the Rudder Fairings
TASK 53-55-12-400-001-A	Installation of the Rudder Fairings
TASK 55-33-13-010-002-A	Opening/Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer
TASK 55-33-13-410-002-A	Closing/Installation of the Trailing Edge Access-Panels of the Vertical Stabilizer
Location of the Rigging Pins and the Attached Components
Rudder Control Frame ** ON A/C NOT FOR ALL
Rudder Control Frame ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 27-21-47-860-053-B

A. Aircraft Maintenance Configuration

Location of the Rigging Pins and the Attached Components

(1) Make sure that the ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE is in position at zone 325.
(2) Make sure that the access panels 325BL, 325BR and 325CL are open (Ref. AMM TASK 55-33-13-010-002).
(3) Make sure that the rudder fairing 325AL is removed (Ref. AMM TASK 53-55-12-000-001).
(4) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at zone 312.
(5) Make sure that the access door 312AR is open.
(6) Make sure that the rudder pedals are in the neutral position.
(7) Make sure that the RUD TRIM indicator on the center pedestal, on the panel 110VU shows 0.
(8) Make sure that the WARNING NOTICE(S) are in position in the cockpit to tell persons not to operate the flight controls.
(9) Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration
(Ref. AMM TASK 29-00-00-864-001).
(10) Make sure that the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).
(11) Make sure that the warning notices are in position to tell persons not to pressurize the Green, the Yellow and the Blue hydraulic systems:

in the cockpit on the hydraulic section 40VU of the overhead panel,
on the ground service panels of the Green, Yellow and Blue hydraulic systems.

(12) Make sure that the PIN - RIGGING (98D27207546000) (71) is in position in the bellcrank of the servo actuator 1025GM.
(13) Make sure that the PIN - RIGGING (98D27207547000) (70) is in position in the rudder cable quadrant.

Subtask 27-21-47-865-051-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18

Subtask 27-21-47-210-050-A ** ON A/C NOT FOR ALL

C. Examination of the Work Area, the Attachment Components and the Replacement Rudder Control Frame

Rudder Control Frame ** ON A/C NOT FOR ALL

(1) Clean the interface of the support brackets (25) and the links (47) with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and let them dry.
(2) Examine the work area.
(a) Make sure that:

the structure,
the paintwork,
the hydraulic pipelines,
the electrical cables,
the control rods (2),(3),
the bonding straps (34),(43),
the links (47),
the support beams (52),(53)

are clean and show no damage.
(3) Examine the attachment components.
(a) Cut and remove the lockwire which temporarily safetied the sliding bushes (48) in the link (47).
(b) Remove the sliding bushes (48).
(c) Make sure that:

the nuts (21),(39),(45),(56),(57),
the bolts (24),(35),(49),(54),(59),
the screws (32),(41) and
the bushes (48)

are clean and show no damage.
(d) Make sure that the flanged bushes are tight in the links (47).

NOTE: Safety the flanged bushes in the links (47), if necessary, with Retaining adhesive-Cylindrical fitting Medium strength Low viscosity - (Material No.05ABF1) .

(4) Examine the replacement rudder control frame (1).
(a) Make sure that the rudder control frame (1) is serviceable.
(b) Cut and remove the lockwire which temporarily safetied the sliding bushes (23) at the top connection positions.

NOTE: The left connection position has one sliding bush (23), the right connection position has two sliding bushes (23).

NOTE: Safety the flanged bushes, if necessary, with Retaining adhesive-Cylindrical fitting Medium strength Low viscosity - (Material No.05ABF1) .

(h) Make sure that the control rods (50),(51) are correctly connected to the rudder control frame (1).
(i) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the bearings of the rudder control frame (1), if necessary.

Subtask 27-21-47-210-050-B ** ON A/C NOT FOR ALL

C. Examination of the Work Area, the Attachment Components and the Replacement Rudder Control Frame

Rudder Control Frame ** ON A/C NOT FOR ALL

(1) Clean the interface of the support brackets (25), the link (47) and the rocker (100) with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) and let them dry.
(2) Examine the work area.
(a) Make sure that:

the structure,
the paintwork,
the hydraulic pipelines,
the electrical cables,
the control rods (2),(3),
the bonding straps (34),(43),
the link (47) and the rocker (100),
the support beams (52),(53)

are clean and show no damage.
(3) Examine the attachment components.
(a) Cut and remove the lockwire which temporarily safetied the bush (48) in the link (47).
(b) Remove the bushes (48).
(c) Cut and remove the lockwire which temporarily safetied the bushes (103) in the rocker (100).
(d) Remove the bushes (103).
(e) Make sure that:

the nuts (21), (39), (45), (105), (56), (57)
the bolts (24), (124), (35), (49), (101), (102), (54), (59)
the screws (32), (41)
the bushes (48) and (103)

are clean and show no damage.
(f) Make sure that the bushes (48) and (103) are tight in the link (47) and in the rocker (100).
If necessary safety the bushes (48) and (103) in the link (47) and in the rocker (100). with Retaining adhesive-Cylindrical fitting Medium strength Low viscosity - (Material No.05ABF1) .
(4) Examine the replacement rudder control frame (1).
(a) Make sure that the rudder control frame (1) is serviceable.
(b) Cut and remove the lockwire which temporarily safetied the sliding bushes (23) at the top connection positions.

NOTE: The left connection position has one sliding bush (23), the right connection position has two sliding bushes (23).

(c) Cut and remove the lockwire which temporarily safetied the sliding bush (27) in the bellcrank (28).
(d) Cut and remove the lockwire which temporarily safetied the sliding bush (36) in the lever arm (37).
(e) Remove the bushes (23),(27),(36).
(f) Make sure that the bushes (23),(27),(36) are clean and show no damage.
(g) Make sure that the flanged bushes are tight in the attachment positions, the bellcrank (28) and the lever arm (37).
If necessary safety the flanged bushes with Retaining adhesive-Cylindrical fitting Medium strength Low viscosity - (Material No.05ABF1) .
(h) Make sure that the control rods (50),(51) are correctly connected to the rudder control frame (1).
(i) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the bearings of the rudder control frame (1), if necessary.

4. Procedure
Subtask 27-21-47-640-050-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the threads of the bolts (24),(35),(49),(54),(59) and the screws (32),(41).
(2) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the bushes (23),(27),(36),(48).
(3) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the shafts of the bolts (24),(35),(49),(54),(59).
(4) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interfaces of the lever arms (25), the links (47) and the support beams (52),(53).

Subtask 27-21-47-420-050-A ** ON A/C NOT FOR ALL

B. Installation of the Rudder Control Frame
(1) Install the rudder trim actuator 10CC (5) in the rudder control frame (1) (Ref. AMM TASK 27-22-51-400-001).
(2) Install the artificial feel and trim unit (8) complete with the solenoid 16CA (7) in the rudder control frame (1) (Ref. AMM TASK 27-23-41-400-001).
(3) Make sure that:

the control rods (2),(3),
the bonding straps (34),(43),
the support beams (52),(53),
the hydraulic pipelines,
the electrical cables,

are clear of the installation position for the rudder control frame (1).
(4) Put the bushes (23) in the top connection positions.

NOTE: Put one bush (23) in the left connection position and two bushes (23) in the right connection position.

(5) Put the sliding bushes (48) in the links (47).
(6) Put the rudder control frame (1) in position.
(7) Hold the rudder control frame (1) in position with the top connection positions on the support brackets (25).
(8) Install the bolts (24) at the connections of the rudder control frame (1) and the support brackets (25).
(9) Put the bottom connection positions in the links (47).
(10) Install the bolts (49) at the connections of the links (47) and the rudder control frame (1).
(11) Connect the rudder control frame (1) at the top connection positions to the structure.
(a) Install the washers (22) and the nuts (21) on the bolts (24).
(b) Tighten the bolts (24) and then loosen the nuts (21), if necessary, to the next cotter pin hole.
(c) Safety the nuts (21) with the new AIPC 27-21-04-12-100 COTTER PINS (20).
(d) Put the bonding straps (34) in position at the rudder control frame (1).
(e) Install the washers (33) and the screws (32) at the connection of the bonding straps (34) and the rudder control frame (1) (Ref. AMM TASK 20-28-00-912-802).
(12) Connect the rudder control frame (1) at the bottom connection positions to the structure.
(a) Install the washers (46) and the nuts (45) on the bolts (49).
(b) Tighten the bolts (49) and then loosen the nuts (45), if necessary, to the next cotter pin hole.
(c) Safety the nuts (45) with the new AIPC 27-21-04-12-100 COTTER PINS (44).
(d) Put the bonding straps (43) in position at the rudder control frame (1).
(e) Install the washers (42) and the screws (41) at the connection of the bonding straps (43) and the rudder control frame (1) (Ref. AMM TASK 20-28-00-912-802).
(13) Connect the control rod (3) to the rudder control frame (1).
(a) Put the eye-end of the control rod (3) in position at the lever arm (37).
(b) Put the bush (36) in the lever arm (37).
(c) Install the bolt (35) at the connection of the lever arm (37) and the control rod (3).
(d) Install the washer (38) and the nut (39) on the bolt (35).
(e) Tighten the nut (39).
(f) Safety the nut (39) with a new AIPC 27-21-04-21-120 COTTER PIN (40).
(14) Connect the control rod (2) to the rudder control frame (1).
(a) Put the eye-end of the control rod (2) in position at the bellcrank (28).
(b) Put the bush (27) in the bellcrank (28).
(c) Install the bolt (26) at the connection of the bellcrank (28) and the control rod (2).
(d) Install the washer (29) and the nut (30) on the bolt (26).
(e) Tighten the nut (30).
(f) Safety the nut (30) with a new AIPC 27-21-04-22-100 COTTER PIN (31).
(15) Install the yaw-damper servo actuators 3CC1 and 3CC2 (4) (Ref. AMM TASK 27-26-51-400-001).
(16) Install the centering spring rod (6) for the yaw-damper servo actuator (Ref. AMM TASK 27-26-41-400-001).
(17) Remove the material which safeties the hydraulic pipelines and the electrical cables clear of the rudder control frame (1).
(18) Connect the support beams (52),(53) for the hydraulic pipelines to the rudder control frame (1).

NOTE: Make sure that the hydraulic pipelines are correctly installed at the support beams (52),(53).

(a) Remove the material which safeties the support beams (52),(53) clear of the rudder control frame (1).
(b) Put the brackets of the support beam (53) at the bottom connection positions at each side of the rudder control frame (1).
(c) Install the bolts (59), the washers (58) and the nuts (57) at the connections of the support beam (53) and the rudder control frame (1).
(d) Put the brackets of the support beam (52) at the top connection positions at each side of the rudder control frame (1).
(e) Install the bolts (54), the washers (55) and the nuts (56) at the connections of the support beam (52) and the rudder control frame (1).

NOTE: Make sure that the bolts (54), the washers (55) and the nuts (56) which were identified, are installed at the bonding points.

NOTE: Make sure that:

the hydraulic pipelines are not twisted,
the hydraulic pipelines do not touch any of the components which move.

(19) Connect the electrical connections to:

the rudder trim actuator 10CC (5) (Ref. AMM TASK 27-22-51-400-001),
the artificial feel and trim unit (8) (Ref. AMM TASK 27-23-41-400-001).

(20) Connect the P-clips and the brackets of:

the hydraulic pipelines,
the electrical cables,

to the rudder control frame (1).

Subtask 27-21-47-640-050-B ** ON A/C NOT FOR ALL

C. Preparation for Installation
(1) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the threads of the bolts that follow:

(24),(124),(35),
(49),(101),(102),
(54),(59).

(2) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the threads of the screws (32),(41).
(3) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the bushes (23),(27),(36),(48),(103).
(4) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the shafts of the bolts (24),(124),(35),(49),(54),(59).
(5) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interfaces of the lever arms (25), the link (47), the rocker (100) and the support beams (52),(53).

Subtask 27-21-47-420-050-B ** ON A/C NOT FOR ALL

D. Installation of the Rudder Control Frame
(1) Install the rudder trim actuator 10CC (5) in the rudder control frame (1) (Ref. AMM TASK 27-22-51-400-001).
(2) Install the artificial feel and trim unit (8) complete with the solenoid 16CA (7) in the rudder control frame (1) (Ref. AMM TASK 27-23-41-400-001).
(3) Make sure that:

the control rods (2),(3),
the bonding straps (34),(43),
the support beams (52),(53),
the hydraulic pipelines,
the electrical cables,

are clear of the installation position for the rudder control frame (1).
(4) Put the bushes (23) in the top connection positions.

NOTE: Put one bush (23) in the left connection position and two bushes (23) in the right connection position.

(5) Put the bush (48) in the link (47).
(6) Put the two bushes (103) into the inner arm of the rocker (100).
(7) Put the rudder control frame (1) in position.
(8) Hold the rudder control frame (1) in position with the top connection positions on the support brackets (25).
(9) Install the bolts (24) and (124) at the connections of the rudder control frame (1) and the support brackets (25).
(10) At the bottom connection positions:
Align the rudder control frame (1) with the link (47) and the rocker (100).
(a) Install the bolt (49) to connect the the link (47).
(b) Install the bolts (101) and (102) to connect the the rocker (100).
(c) Install the washer (46) and the nut (45) on the bolt (49).
(d) Install the washers (104) and the nuts (105) on the bolts (101) and (102).
(e) Tighten the bolt (49) and then loosen the nut (45), if necessary, to the next cotter pin hole.
(f) Tighten the bolts (101) and (102). If necessary loosen the nuts (105) to the next cotter pin hole.
(g) Safety the nut (45) with a new AIPC 27-21-84-07-060 COTTER PIN (44).
(h) Safety the nuts (105) with the new AIPC 27-21-84-07-060 COTTER PINS (106).
(11) Continue at the top connection positions:
(a) Install the washers (22) and the nuts (21) on the bolts (24) and (124).
(b) Tighten the bolts (24) and (124). If necessary loosen the nuts (21) to the next cotter pin hole.
(c) Safety the nuts (21) with the new AIPC 27-21-84-07-060 COTTER PINS (20).
(d) Put the bonding straps (34) in position at the rudder control frame (1).
(e) Install the washers (33) and the screws (32) at the connection of the bonding straps (34) and the rudder control frame (1) (Ref. AMM TASK 20-28-00-912-802).
(f) Put the bonding straps (43) in position at the rudder control frame (1).
(g) Install the washers (42) and the screws (41) at the connection of the bonding straps (43) and the rudder control frame (1) (Ref. AMM TASK 20-28-00-912-802).
(12) Connect the control rod (3) to the rudder control frame (1).
(a) Put the eye-end of the control rod (3) in position at the lever arm (37).
(b) Put the bush (36) in the lever arm (37).
(c) Install the bolt (35) at the connection of the lever arm (37) and the control rod (3).
(d) Install the washer (38) and the nut (39) on the bolt (35).
(e) Tighten the nut (39).
(f) Safety the nut (39) with a new AIPC 27-21-84-08-010 COTTER PIN (40).
(13) Connect the control rod (2) to the rudder control frame (1).
(a) Put the eye-end of the control rod (2) in position at the bellcrank (28).
(b) Put the bush (27) in the bellcrank (28).
(c) Install the bolt (26) at the connection of the bellcrank (28) and the control rod (2).
(d) Install the washer (29) and the nut (30) on the bolt (26).
(e) Tighten the nut (30).
(f) Safety the nut (30) with a new AIPC 27-21-84-12-010 COTTER PIN (31).
(14) Install the yaw-damper servo actuators 3CC1 and 3CC2 (4) (Ref. AMM TASK 27-26-51-400-001).
(15) Install the centering spring rod (6) for the yaw-damper servo actuator (Ref. AMM TASK 27-26-41-400-001).
(16) Remove the material which safeties the hydraulic pipelines and the electrical cables clear of the rudder control frame (1).
(17) Connect the support beams (52),(53) for the hydraulic pipelines to the rudder control frame (1).

NOTE: Make sure that the hydraulic pipelines are correctly installed at the support beams (52),(53).

NOTE: Make sure that the bolts (54), the washers (55) and the nuts (56) which were identified, are installed at the bonding points.

NOTE: Make sure that:

the hydraulic pipelines are not twisted,
the hydraulic pipelines do not touch any of the components which move.

(18) Connect the electrical connections to:

the rudder trim actuator 10CC (5) (Ref. AMM TASK 27-22-51-400-001),
the artificial feel and trim unit (8) (Ref. AMM TASK 27-23-41-400-001).

(19) Connect the P-clips and the brackets of:

the hydraulic pipelines,
the electrical cables,

to the rudder control frame (1).

Subtask 27-21-47-865-052-A

E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18

Subtask 27-21-47-860-051-A

F. Preparation for Test

Location of the Rigging Pins and the Attached Components

(1) Remove the 98D27207547000 PIN-RIGGING (70) from the rudder cable quadrant.
(2) Remove the 98D27207546000 PIN-RIGGING (71) from the bellcrank of the servo actuator 1025GM.
(3) On the overhead panel 23VU, push the FLT CTL/FAC 1 pushbutton switch. The OFF legend goes off.
(4) On the overhead panel 24VU, push the FLT CTL/FAC 2 pushbutton switch. The OFF legend goes off.

Subtask 27-21-47-710-050-A

G. Do an operational test of the rudder mechanical control (Ref. AMM TASK 27-24-00-710-001).

5. Close-up
Subtask 27-21-47-860-052-A

A. Put the aircraft back to the serviceable condition.
(1) Apply a layer of Corrosion Preventive Compound-Water Displacing Oily Film System (Material No.12ABE2) to the adjacent structure .
(2) Make sure that the drain holes in the adjacent structure are not blocked.
(3) Make sure that the work area is clean and clear of tools and other items.

Subtask 27-21-47-410-051-B

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access door 312AR.
(3) Close the access panels 325BL 325BR 325CL (Ref. AMM TASK 55-33-13-410-002).
(4) Install the rudder fairing 325AL (Ref. AMM TASK 53-55-12-400-001).
(5) Remove the WARNING NOTICE(S).
(6) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 23:48:35 UTC