TASK 27-41-43-400-001
 Installation of the Pitch Trim Control Stop and Gearset Unit
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
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 A. Fixtures, Tools, Test and Support Equipment
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REFERENCE  QTY DESIGNATION
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No specific dynamometer No specific standard locking bolt No specific access platform 1.5 m (4 ft. 11 in.) 98D27403000000 1 HOLDING TOOL-TRIM CTL LOWER SHAFT 98D27403002002 1 CHECKING TOOL - CHAIN TENSION, PITCH TRIM CTL WHEEL 98D27403500000 1 PITCH TRIM CONTROL LOCKING
 B. Consumable Materials
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REFERENCE  DESIGNATION
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No specific  lockwire corrosion resistant steel dia 0.8 mm (0.03 in.)
R Material No. 04-004  USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
 C. Expendable Parts
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FIG.ITEM |DESIGNATION  |IPC-CSN
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6 nuts 27-41-01 03 -030 8 cotter pins 27-41-01 03 -080 13 cotter pin 27-41-01 03 -080 17 cotter pins 27-41-01 04 -030

 D. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R R R  23-13-13-400-001 23-51-12-400-001 27-41-00-720-001 29-24-00-864-001 31-10-00-700-001 34-41-12-400-001 27-41-43-991-002  Installation of the Radio Management Panel (CRMP) (1RG1, 1RG2, 1RG3) Installation of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5)Functional Test of the THS-Actuator Overtravel Related to the Mechanical IndicatorDepressurize the Yellow Hydraulic System Test Program after Removal/Installation of a VU panel Installation of the Weather Radar Control Unit (3SQ)Fig. 401
 3. Job Set-up__________
 Subtask 27-41-43-860-051
 A. Aircraft Maintenance Configuration
 (1) Make sure that the access platform is in position at zone 121.
 (2) Make sure that the access door 811 is open.
 (3) Make sure that the PITCH TRIM CONTROL LOCKING (98D27403500000) is installed on the pitch-trim control wheels.
 (4) Make sure that the Yellow hydraulic system (Ref. TASK 29-24-00-864-001) is depressurized.
 (5) Make sure that the HOLDING TOOL-TRIM CTL LOWER SHAFT (98D27403000000) is installed on the drive shaft (23) .
 (6) Make sure that the standard locking bolt is installed on the chain (1).
 4. Procedure_________
 (Ref. Fig. 401/TASK 27-41-43-991-002)
 Subtask 27-41-43-640-050
 A. Apply COMMON GREASE (Material No. 04-004) to the different components.

 Subtask 27-41-43-420-050
 B. Installation of the Stop and Gearset Unit
 (1)
 Put the stop unit (5) with the yoke (12) in position on the plate (20).

 (2)
 Put the stop unit (5) in nose-down stop position. NOTE : To get the nose-down stop position, the operator must :

____ -be on the gear side of the stop unit (5),
 -turn the gear (2) clockwise.
 (3)
 Put the chain (22) in position on the gear (2).

 (4)
 Install the four screws (10) and the screw (21), install and tighten the five new nuts (6).

 (5)
 Make sure that the chain (22) is correctly set on all the gears.

 (6)
 Install the tapered pin (19), the washer (15) and the nut (14).

 (7)
 Tighten the nut (14) and safety with the new cotter pin (13).

 (8)
 Install the screws (11), the washers (16) and the nuts (18).

 (9)
 Tighten the nuts (18) and safety with the new cotter pins (17).

 (10)
 Put the chain cover (4) in position, install the screws (3), the washers (7) and the nuts (9).

 (11)
 Tighten the nuts (9) and safety with the new cotter pins (8).

R (12) Install item (24) of CHECKING TOOL - CHAIN TENSION, PITCH TRIM CTL R WHEEL (98D27403002002) on the chain (22), and item (25) on the center pedestal.
 NOTE : The axis of item (24) must be in the middle of the chain
____
 section (Ref detail C).
　
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