R **ON A/C 001-049, 051-061, 101-102, 201-202,
 121VU HYDRAULIC/RAT/CTL 2801GE P32 R **ON A/C 103-105, 203-203,
 121VU HYD/RAT/CTL 2801GE P32 R **ON A/C 001-049, 051-061, 101-105, 201-203,
 4. Procedure
_________
 (Ref. Fig. 401/TASK 29-22-52-991-001)
 Subtask 29-22-52-020-052

 A. Removal of the RAT Ground Check Module 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.
 (1)
 Disconnect the electrical connector (1) from the receptacle (2).

 (2)
 Put blanking caps on the electrical connector and the receptacle.

 (3)
 Loosen and remove the pipe end-fitting (18) from the tee-fitting (17).

 (4)
 Loosen and remove the union nut (16) and the hose (15) from the tee-fitting (17).

 (5)
 Remove the tee-fitting (17) from the port D.

R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 29-22-52Page 403 1 1 May 01/05 1 1 1CES 1

 RAT Ground Check Module
 Figure 401/TASK 29-22-52-991-001

R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 29-22-52Page 404 1 1 May 01/05 1 1 1CES 1

 (6)
 Loosen and remove the pipe end-fitting (14) from the port A.

 (7)
 Loosen and remove the pipe end-fitting (13) from the port B.

 (8)
 Loosen and remove the pipe end-fitting (12) from the port C.

 (9)
 Loosen and remove the union nut (9) and the hose (7) from the ground check module (8).

 (10)
 Remove the nut (4), the bolt (11), the washers (5),(10) and the bonding jumper (6).

 (11)
 Support the ground check module (8).

 (12)
 Remove the nuts (3), the bolts (19) and the washers (20).

 (13)
 Remove the nut (22), the washer (20) and the bolt (21).

 (14)
 Remove the ground check module (8).

 (15)
 Put blanking plugs on the disconnected line ends.

 (16)
 Put blanking caps on the ports of the ground check module (8).

R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 29-22-52Page 405 1 1 May 01/05 1 1 1CES 1 TASK 29-22-52-400-001

 Installation of the RAT Ground Check Module (2027GE)
 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.
 WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
 WARNING : MAKE SURE THAT THE RAT TRAVEL RANGE IS CLEAR BEFORE YOU
_______ EXTEND/RETRACT THE RAT.
 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific container No specific warning notice(s) No specific Torque Wrench : range 0.20 to 3.60 m.daN
 (2.00 to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
 (8.00 to 75.00 lbf.ft) No specific Torque Wrench : range 2.00 to 20.00 m.daN
 (15.00 to 150.00 lbf.ft)
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 29-22-52Page 406 1 1 May 01/05 1 1 1CES 1 B. Consumable Materials

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 02-003  F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
 Material No. 05-002  USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00)
 Material No. 09-018  USA AMS 3267/3 CORROSION INHIBITING LOW ADHESION SEALANT (Ref. 20-31-00)
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
　
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