R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 27-54-54-860-054
D. Aircraft Maintenance Configuration
(1)
Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the opening of the main door of the main gear.
(2)
Make sure that the Green and the Yellow hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-002).
(3)
Depressurize the reservoirs of the Green and the Yellow hydraulic systems (Ref. TASK 29-14-00-614-001)
(4)
Put the WARNING NOTICE in position to tell persons not to pressurize the Green and Yellow hydraulic systems.
(5)
Install the PIN RIGGING-FLAPS (TRACK 1) (98D27504005000) at the left and right flap-track positions 1.
(6)
Put a CONTAINER 5 L(1 1/2 USGAL) in position below the Power Control Unit (PCU) (1).
**ON A/C 301-399,
Subtask 27-54-54-860-054-A
D. Aircraft Maintenance Configuration
(1)
Put the ACCESS PLATFORM 3M (10 FT) in position at the opening of the main door of the main gear.
(2)
Make sure that the Green and the Yellow hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-002).
(3)
Depressurize the reservoirs of the Green and the Yellow hydraulic systems (Ref. TASK 29-14-00-614-001)
(4)
Put the WARNING NOTICE in position to tell persons not to pressurize the Green and Yellow hydraulic systems.
R (5) Install the PIN RIGGING FLAPS (98D27504006000) at the left and right
R flap track positions 1.
R (6) Put a CONTAINER 5 L(1 1/2 USGAL) in position below the hydraulic
R motor (5).
R **ON A/C ALL
R 4. Procedure_________
R (Ref. Fig. 402/TASK 27-54-54-991-002)
R Subtask 27-54-54-020-052
R A. Removal of the Hydraulic Motor
R CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN_______
R YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE
R THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO
R MUCH.
R NOTE : The removal procedure for the hydraulic motor which is attached to____
R the valve block 23CV is given. The removal procedure for the
R hydraulic motor which is attached to the valve block 24CV is
R almost the same. The differences in the procedures are given in
R the steps that follow.
R (1) Disconnect the case drain line (4) from the hydraulic motor (5).
R (2) Install the CAP - BLANKING on the open line end (4).
R (3) Remove the bolts (3) and the washers (2).
R (4) Carefully remove the hydraulic motor (5) from the POB (9) and from
R the transfer tubes (8).
R (5) Remove and discard the O-ring (1).
R (6) Remove and discard the O-rings (7) and the back-up rings (6) from the
R transfer tubes (8).
R Removal of the Hydraulic Motor of the Flap Power Control-Unit (6201CM) R Figure 402/TASK 27-54-54-991-002
1EFF : ALL 1 27-54-54Page 420 1 1 Aug 01/04 1 1 1CES 1 TASK 27-54-54-400-002
Installation of the Hydraulic Motor of the Flap Power Control-Unit (6201CM) without the Pressure-Off Brake and the Valve Block Assembly
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
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.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
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