TM 5-3895-346-14
ENGINE TUNEUP
ENGINE OVERHAUL
TABLE 2 (1974-1976 Engines)
Year
1974
1975
1976
Engines
4-53N
4-53N
4-53N
Injectors
C40
C40
C40
C45
C45
C45
C50
C50
C50
Maximum Full-load Engine Speed*
2800
2800
2800
Camshaft Timing
Adv.
Adv.
Adv.
Injector Timing †
1.470 inches
1.470 inches
1.470 inches
Timing Gage
J 24236
J 24236
J 24236
Throttle Delay
Yes‡
Yes‡
Yes‡
Yield Link
Yes
Yes
Yes
* No-Load engine speed will vary with injector size and governor type.
† The adjusted height of the fuel injector follower in relation to the injector body.
‡ 0.250 inch diameter fill hole 0.016 inch diameter discharge orifice.
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