NOTE : The gearbox is a unit filled with grease and is not a hermetically
____ sealed unit. It is normal for this grease to have some oil separation. The external surfaces of the gearbox may be moist with this separated oil as it is not a sealed unit. However, any separated oil in the unit that touches the grease will be changed back during operation. The oil separation will decrease during in-service operation until the lubricant is in a condition that is stable. This is normal and will not cause damage to the unit.
Subtask 27-54-47-420-052
A. Preparation for Installation
CAUTION : DO NOT APPLY MORE THAN ONE TYPE OF LUBRICANT.
_______
GREASE AND ASSEMBLY PASTE DO NOT MIX.
(1)
Clean the component interface and/or the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(4)
Do one of the steps that follow:
CAUTION : DO NOT APPLY MORE THAN ONE TYPE OF LUBRICANT.
_______
GREASE AND ASSEMBLY PASTE DO NOT MIX.
(a)
Apply a thin layer of COMMON GREASE (Material No. 04-022) to the torque shaft splines.
- or
(b)
Apply a thin layer of COMMON GREASE (Material No. 04-018) to the torque shaft splines.
Subtask 27-54-47-420-051
B. Installation of the Line Gearbox 6209CM(6259CM)
(1) Apply a layer of SEALANTS (Material No. 09-018) or SEALANTS (Material No. 09-019) to:
-
the mating faces of the line gearbox (1), and the support bracket (5), (but not at the mating faces of the bonding bolt)
-
the shanks of the bolts (7), (but not the bonding bolt).
1EFF : ALL 1 27-54-47Page 408 1 1 Aug 01/02R 1 1 1CES 1
(2)
Install the retaining ring (3) on the input shaft of the line gearbox (1).
(3)
Install the line gearbox (1) on the inboard torque shaft (4). Make sure that the splines engage, with the pin holes aligned.
(4)
Attach the line gearbox (1) to the support bracket (5) with the washers (6) and the bolts (7).
(5)
Electrically bond the applicable bolt (7) (Ref. TASK 20-28-00-912-004):
-
for the left wing, bond the aft inboard bolt (7)
-
for the right wing, bond the aft outboard bolt (7).
(6)
TORQUE the bolts (7) to between 0.7 and 0.8 m.daN (61.94 and 70.79 lbf.in).
(7)
Install the pin (2) and safety it with the retaining ring (3).
(8)
Apply a layer of STORAGE PRESERVATION (Material No. 15-007) to the remaining bolts (7) and the washers (6).
5. Close-up
________
(Ref. Fig. 401/TASK 27-54-47-991-001)
Subtask 27-54-47-410-050
A. Close Access
R (1) Install the applicable torque shaft outboard of the line gearbox (1) R (Ref. TASK 27-54-45-400-005):
-
FOR 6209CM
install 6210CM
-
FOR 6259CM
install 6260CM.
R (2) Install the applicable access panel (Ref. TASK 57-51-37-400-002):
-
FOR 6209CM
install 573AB
-
FOR 6259CM
install 673AB.
Subtask 27-54-47-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6CV, 8CV.
Subtask 27-54-47-860-052
C. Aircraft Configuration WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
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