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 TM 5-2420-224-34
CYLINDER HEAD REPAIR (CONT)
CAUTION
U s e protector pads under puller
s u p p o r t s to prevent damage to
c y l i n d e r head.
USING suitable PULLER, REMOVE valve
15.
SEAT (13).
REPEAT STEPS 13 thru 15 for each valve
16.
seat.
Test fuel injector nozzles (page 13-65).
1.
Inspect stepped spacers for damaged threads,
2.
pits, scoring, or damaged slots. Replace if
damaged.
Inspect injector nozzle holders for damaged
3.
threads and/or damaged flats. Replace if
damaged.
Measure valve spring (1) length. Acceptable
4.
length is 2.382 in. (60.5 mm).
Measure valve spring (1) length with
5.
62.9 -69.8 Ibf (280-310 N) applied. Acceptable
length is 1.838 in. (46.70 mm).
Measure valve spring (1) length with
6.
125.7-138.9
Ibf
(559-618
N)
applied.
Acceptable length is 1.385 in. (35.18 mm).
13-5
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