Condition Maximum Serviceable Limits
Make sure that
*[1]
the ball is not too loose
in the race
Looseness is permitted if it is not more than 0.010 inch (0.25 mm) along the
diameter. If it is necessary, replace the bearing ball
(PAGEBLOCK 72-35-00/801).
Make sure that the ball is not too tight in the
race
If the ball can not move freely in the race, spray the ball with sprayable air
drying lubricant, D50194 [C02-004].
Make sure that the race is in the lever Not permitted. Replace the lever (PAGEBLOCK 72-35-00/8011).
*[1] There is no limit for looseness in the axial direction. The axial looseness is controlled by the radial looseness.
SUBTASK 72-35-00-226-053-G00
(10) Visually examine the VSV rod end bearing (Figure 605, Item 7B, and 14):
(a) Do a check for spherical bearing looseness:
Condition Maximum Serviceable Limits
Make sure that
*[1]
the ball is not too loose
in the race
Looseness is permitted if it is not more than 0.010 inch (0.25 mm) along the
diameter. If it is necessary, replace the lever (PAGEBLOCK 72-35-00/801).
Make sure that the ball is not too tight in the
race
If the ball can not move freely in the race, spray the ball with sprayable air
drying lubricant, D50194 [C02-004].
*[1] There is no limit for looseness in the axial direction. The axial looseness is controlled by the radial looseness.
(b) Do a check for slot loaded bearing looseness:
Condition Maximum Serviceable Limits
Make sure that the ball is not too loose in
the race
Looseness is permitted if it is not more than 0.010 inch (0.25 mm) along the
diameter. If it is necessary, replace the bearing ball
(PAGEBLOCK 72-35-00/801).
Make sure that the ball is not too tight in the
race
If the ball can not move freely in the race, spray the ball with sprayable air
drying lubricant, D50194 [C02-004].
SUBTASK 72-35-00-226-057-G00
(11) Visually examine the rubber boot seal on IGV Stage 4 for dust and moisture (Figure 605, item
15) and Figure 606):
NOTE: Stage 5 does not have rubber boot seals.
Condition Maximum Serviceable Limits
Torn boot seal Permitted, replace the boot seal at the next engine removal or the next
engine shop visit.
SUBTASK 72-35-00-226-030-G00
(12) Visually examine the lever guide and the guide bracket (Figure 605, Item 4 and 5):
Condition Maximum Serviceable Limits
Do a check of the gap between the guide
and the guide channel wall
Gaps are permitted up to 0.015 inch (0.38 mm). Replace the guide and the
bracket.
Do a check of the gap between the guide
and the guide channel wall
Gaps are permitted up to 0.015 inch (0.38 mm). Replace the guide and the
bracket.
Look for cracks Not permitted. Replace the guide and the bracket.
Look for nicks dents and scratches (does
not includes the spherical bearing in the
guide bracket)
No limit up to 0.005 inch (0.13 mm) deep. Blend to 0.06 inch (1.50 mm)
minimum radius.
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-35-00
NoC
Page 605
D633T1B7 Dec 22/2016
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ABX 001-007, 011, 012, 016-019, 021, 022, 025, 101,
109, 114, 115, 314-999
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