TM 5-4310-451-14
5-26. EXHAUST VALVE BRIDGES REPLACEMENT (Con’t).
b. INSTALLATION
NOTE
All
exhaust
valve
bridges
are
Installed same way. This procedure
covers one exhaust valve bridge.
1.
If removed, install screw (3) in exhaust valve
bridge (1).
2.
If removed, Install nut (2) on screw (3). Do not
tighten.
3.
Install exhaust valve bridge (1) over guide pin (4)
until seated.
4.
Push down on exhaust valve bridge (1) and turn
screw (3) until it touches valve stem (5).
5.
Turn screw (3) an additional Y turn and tighten
nut (2) fingertight.
6.
Remove exhaust valve bridge (1) from guide pin
(4).
7.
Hold screw (3) and torque nut (2) 20-25 lb.-ft.
(27-34 Nom).
8.
Apply coat of lubricating oil to exhaust valve
bridge (1) and guide pin (4).
9.
Install exhaust valve bridge (1) on guide pin (4).
10.
Place a 0.0015 in. feeler gage between exhaust
valve bridge (1) and valve stem (5).
11.
Press down on exhaust valve bridge (1) until
feeler gage is tight.
12.
Remove feeler gage.
FOLLOW-ON TASKS:
áInstall rocker arms (see paragraph 541).
5-51
