(2)
With the track (2) held against the two, top, vertical-rollers (19), move the track (2) through its full range of travel. Make sure that where the bottom, aft, vertical-roller and the track (2) do not touch, the clearance is not more than 0.20 mm (0.0078 in.).
(3)
Adjust the top, aft, vertical-roller (15) if:
-the friction load is more than 6.22 daN (13.9831 lbf) and/or
-the clearance is more than 0.20 mm (0.0078 in.) (Dim 'Y'). R
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R **ON A/C 062-099, 106-149, 205-299,
Subtask 27-84-62-220-144-A
D. Check the Position of the Top, Forward and Vertical Roller
(Ref. Fig. 402/TASK 27-84-62-991-002, 403/TASK 27-84-62-991-003)
(1)
Move the applicable track (2) through its full range of travel and make sure that:
-
the smooth travel of the track (2) is not stopped by high points that touch between the track (2) and the vertical roller (15)
-
the dimension 'Z' between the track (2) and the top, forward, vertical-roller (15) is never more than 0.25 mm (0.0098 in.).
(2)
With the track (2) held against the two, top, vertical-rollers (15), move the track (2) through its full range of travel. Make sure that where the bottom, aft, vertical-roller (15) and the track (2) do not touch, the clearance is not more than 0.25 mm (0.0098 in.).
(3)
Adjust the top, aft, vertical-roller (15) if:
-
the friction load is more than 6.5 daN (14.6125 lbf) and/or
-
the clearance is more than 0.25 mm (0.0098 in.).
Subtask 27-84-62-820-052-A
E. Adjustment of the Top, Forward and Vertical Roller
(Ref. Fig. 402/TASK 27-84-62-991-002, 403/TASK 27-84-62-991-003)
(1)
Remove and discard the lockwire from the bolt (19).
(2)
Remove the bolt (19), the locking ring (18) and the locking plate (17).
(3)
Turn the eccentric bush (16) until the top, forward, vertical-roller
(15) touches the track (2).
(4)
Move the track (2) through its full range of travel. Stop the track
(2)
at the point of maximum load between the track (2) and the top, forward, vertical-roller (15). Then turn the eccentric bush (16) to get a clearance of less than 0.038 mm (0.0014 in.) between the track
(2)
and the vertical roller (15) (Dim 'Z').
(5)
Move the track (2) through its full range of travel. Make sure that the maximum clearance between the track (2) and the top, forward, vertical-roller (15) is never more than 0.25 mm (0.0098 in.).
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(6)
Do the procedure again, as necessary, until the adjustment of the top, forward, vertical-roller (15) is correct.
(7)
Apply a layer of SEALANTS (Material No. 09-018) or SEALANTS (Material No. 09-019) to the shank of the bolt (19).
(8)
Install the locking plate (17) and the locking ring (18) with the bolt (19).
(9)
Safety the bolt (19) with MISCELLANEOUS (Material No. 19-010).
(10) Apply a layer of STORAGE PRESERVATION (Material No. 15-007) to the locking plate (17), the locking ring (18) and the bolt (19).
Subtask 27-84-62-220-145-A
F. Check of the Position of the Top, Aft and Vertical Roller
(Ref. Fig. 402/TASK 27-84-62-991-002, 403/TASK 27-84-62-991-003)
(1) Do this friction load check and make sure that the friction load is not more than 6.5 daN (14.6125 lbf):
(a) Attach a spring gage to the applicable track (2).
NOTE : During this check keep the spring gage in the
____ line-of-travel of the track (2).
(b)
Use the spring gage to move the track (2) from its fully extended position to fully retracted position. Monitor the spring gage and make a note of the maximum value shown.
(c)
Use the spring gage to extend the track (2) to its fully extended position:
-
if the spring gage pulls the track (2), write down the maximum value shown
-
if the track (2) extends by its weight and the spring gage holds it back, write down the minimum value shown.
(d) Calculate the friction load as follows:
-
for two maximum values, the friction load is the sum of the two values
-
for one maximum value and one minimum value, the friction load is the difference of the two values.
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