(2)
Install the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) (Ref. TASK 27-00-00-480-002) on the slat/flap control lever.
Subtask 27-54-54-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21
Subtask 27-54-54-010-050
C. Open the main doors of the main gear (Ref. TASK 32-12-00-010-001).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 27-54-54-860-050
D. Aircraft Maintenance Configuration
(1)
Put the access platform 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 hydraulic
(5)
Install the PIN RIGGING-FLAPS (TRACK 1) (98D27504005000) at the left and right flap track positions 1.
(6) Put a container in position below the Power Control Unit (PCU) (1). **ON A/C 301-399,
Subtask 27-54-54-860-050-A
D. Aircraft Maintenance Configuration
(1)
Put the access platform 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 hydraulic
(5)
Install the PIN RIGGING FLAPS (98D27504006000) at the left and right flap track positions 1.
(6)
Put a container in position below the Power Control Unit (PCU) (1).
(i)
Support the hydraulic motor (7), the POB (41) and the valve block assembly (23).
(j)
Remove the nuts (24) and the washers (25) from the studs (42).
(k)
Remove the valve block assembly (23) together with the POB (41) and the hydraulic motor (7).
(2)
Remove the hydraulic motor (7) from the valve block assembly (23) and the POB (41).
(a)
Remove the bolts (6) and the washers (5).
(b)
Carefully remove the hydraulic motor (7) from the POB (41) and from the transfer tubes (14) on the valve block assembly (23).
(c)
Remove and discard the O-ring (4).
(d)
Carefully remove the POB (41) from the transfer tube (33).
(3)
Remove and discard the O-rings (13),(35) and the back-up rings (12),(34) from the transfer tubes (14).
(4)
Remove and discard the locking rings (21),(30) from the transfer tubes (14),(33).
(5)
Remove the transfer tubes (14),(33) from the valve block assembly (23).
(6)
Remove and discard the back-up rings (15),(31) and the O-rings (20),(32) from the transfer tubes (14),(33).
**ON A/C ALL
4. Procedure_________
(Ref. Fig. 401/TASK 27-54-54-991-001)
Subtask 27-54-54-020-050
A. Removal of the Hydraulic Motor
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.
R R NOTE : The removal procedure for the hydraulic motor which is attached to____ the valve block 23CV is given. The removal procedure for the hydraulic motor which is attached to the valve block 24CV is almost the same. The differences in the procedures are given in the steps that follow.
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