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TM 9-2320-364-34-4
20-147
a.
Disassembly.
NOTE
All 16 valve bridge guides are removed the same way.
If valve bridge guide is not broken, perform Steps (1) through (3). If valve bridge guide is
broken, perform Steps (4) through (6).
(1)
File or grind two opposite notches 1/16 in. (1.6 mm) deep in side of valve bridge guide (1),
approximately 1-1/4 in. to 1-1/2 in. (31.8 to 38.1 mm) from upper end.
(2)
Position washer over valve bridge guide (1) and slide guide remover over valve bridge guide (1). Align
screws with notches in guide and tighten to hold tool securely.
(3)
Position sleeve over valve bridge guide remover. Thread nut on valve bridge guide remover and tighten
to remove valve bridge guide (1) from cylinder head (2).
(4)
Drill hole 1/2 in. (12.7 mm) deep in end of valve bridge guide (1) using No. 3, 0.213 in. drill bit.
(5)
Tap valve bridge guide (1) with 1/4 in. (6.4 mm) bottoming tap.
(6)
Thread broken valve bridge guide remover in valve bridge guide (1) and attach slide hammer to remover.
After one or two sharp blows with slide hammer, remove broken valve bridge guide.
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