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TM 9-2320-364-34-4
20-116
20-45. ROCKER ARM REPAIR (CONT).
NOTE
Clearance between bushing
and shaft must not exceed
0.004 in. (0.102 mm).
If bushing is not within
specified clearance, perform
Steps (5) through (8).
(4)
Measure inside diameter of bushing (1) in
rocker arms (2) and outside diameter of
shaft (3).
(5)
Position rocker arm (2) in press.
(6)
Press bushing (1) from rocker arm (2).
Discard bushing.
(7)
Press bushing (1) in rocker arm (2).
(8)
Ream replacement bushing (1) to 0.875 in.
(22 mm).
c.
Assembly.
NOTE
All 24 rocker arms are
installed the same way.
Assemble rocker arms as
noted during removal.
(1)
Thread three rocker arms (5) on push
rods (1) until top of each push rod (1) is
flush with or above threaded area of each
clevis yoke (6).
(2)
Coat shaft (4) with lubricating oil.
(3)
Slide shaft (4) through three rocker
arms (5).
(4)
Position two brackets (3), one over each end
of shaft (4), with finished face toward
rocker arms (5).
d.
Follow-On Maintenance:
Install engine brake retarders, (Para 20-93).
END OF TASK
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