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TM 9-2320-364-34-2
3-116
3-17. EXHAUST VALVE BRIDGE REPLACEMENT (CONT).
b.
Installation.
(1)
Position valve bridge (1) in soft jawed vise.
(2)
Install screw (4), slotted end up, in valve
bridge (1).
(3)
Position nut (5) on screw (4).
(4)
Remove valve bridge (1) from vise.
(5)
Repeat Steps (1) through (4) for other valve
bridges.
NOTE
Ensure grooves in valve bridges
fit over top of valve stem.
(6)
Install valve bridges (1) and (2) on valve
bridge guide (3).
(7)
Push down on top of valve bridge (1) and
turn adjusting screw (4) until it contacts
valve stem (6).
(8)
Repeat Step (7) for valve bridge (2).
(9)
Turn screw (4) an additional 1/4 turn and
tighten nut (5) finger tight.
(10)
Remove valve bridges (1) and (2) from
valve bridge guides (3) and mount in soft
jawed vise.
(11)
Hold screw (4) and tighten nut (5) to 20 to
25 lb-ft (27 to 34 N.m).
(12)
Remove valve bridges (1) and (2) from
vise.
(13)
Coat valve bridges (1) and (2) and valve
bridge guides (3) with lubricating oil.
NOTE
Ensure grooves in valve bridges
fit over top of valve stem.
(14)
Install valve bridges (1) and (2) on valve
bridge guides (3).
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