-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Blue hydraulic system.
(4)
Depressurize the Blue hydraulic system and put it in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(5)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
WARNING : MAKE SURE THAT THE RAT TRAVEL RANGE IS CLEAR BEFORE YOU
_______
EXTEND/RETRACT THE RAT.
(6)
Extend the RAT (Ref. TASK 29-22-00-869-001).
(7)
Put the warning notices in position to tell persons not to operate the RAT: - on the overhead panels 21VU and 40VU.
R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
Subtask 29-22-00-860-123-A
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Put the safety barriers in position.
(3)
Put the warning notices in position to tell persons not to pressurize the Blue hydraulic system:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Blue hydraulic system.
(4)
Depressurize the Blue hydraulic system and put it in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(5)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
WARNING : MAKE SURE THAT THE RAT TRAVEL RANGE IS CLEAR BEFORE YOU
_______
EXTEND/RETRACT THE RAT.
(6)
Extend the RAT (Ref. TASK 29-22-00-869-005).
(7)
Put the warning notices in position to tell persons not to operate the RAT: - on the overhead panels 21VU and 40VU.
**ON A/C ALL
Subtask 29-22-00-865-123
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
49VU HYD/RAT/CTL 2801GE D14 **ON A/C ALL
106VU CSM/G /EV/MAN/SPLY 6XE B04 **ON A/C 001-049, 051-061, 101-102, 201-202,
121VU HYDRAULIC/RAT/CTL 2801GE P32 **ON A/C ALL
121VU HYDRAULIC/RAT/SPLY/EXTN/SOL1 2803GE P33 **ON A/C 103-105, 203-203,
121VU HYD/RAT/CTL 2801GE P32
R 1EFF : ALL 1 29-22-00Page A508 1 1 Config-1 Aug 01/05 1 1 1CES 1 **ON A/C ALL
4. Procedure
_________ **ON A/C 001-049, 051-061, 101-105, 201-203,
Subtask 29-22-00-210-083
A. Visual Inspection of the RAT
(1)
Examine the RAT and its related components for:
-cracks,
-corrosion,
- other types of damage.
(2)
Make sure that the RAT and its related components are correctly attached.
(3)
Turn the turbine blades manually and make sure that they turn freely.
(4)
Examine the RAT blades for damage:
(a)
If you find cracks, replace the RAT (Ref. TASK 29-22-51-000-001) and (Ref. TASK 29-22-51-400-001).
(b)
If you find corrosion or other types of damage, do the repair, given in the CMM (Ref. CMM 292128), or replace the RAT (Ref. TASK 29-22-51-000-001) and (Ref. TASK 29-22-51-400-001).
(5)
If, after repair or damage removal, the defects are more than the limits given in the subsequent table, you must replace the RAT (Ref. TASK 29-22-51-000-001) and (Ref. TASK 29-22-51-400-001).
R 1EFF : ALL 1 29-22-00Page A509 1 1 Config-1 Aug 01/05 1 1 1CES 1 Subtask 29-22-00-910-062
B. Damage Limits of the RAT Blades
(Ref. Fig. 514/TASK 29-22-00-991-028)
_______________________________________________________________________________ NOTE | DESCRIPTION OF THE DAMAGE _______________________________________________________________________________
< 1 > | Nicks and dents on the leading and trailing edges in AREA A greater
| than 2% of the local chord, replace the RAT. _______________________________________________________________________________
< 2 > | Nicks on the leading and trailing edges in AREA B greater than
| 0.005 in.(0.127 mm) deep by 0.040 in. (1.01 mm), replace the RAT. _______________________________________________________________________________
< 3 > | Scratches or scores on the faces in AREA B greater than 0.005 in.
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