3054C Engines for Caterpillar Built Machines Caterpillar


Gear Group (Front)

Usage:

AP-800D A5P
Delphi 燃油泵上的驱动齿轮通过锥形轴和一个螺母固定。 拧紧螺母至扭矩为 24 N·m (18 lb ft)。 松开燃油泵轴上的锁。 将螺母上紧到以下扭矩。 ... 90 N·m (66 lb ft)


图 1g00918708

3054C 使用两种不同品牌的燃油泵。 燃油泵可能是 Delphi 燃油泵,也可能是 Bosch 燃油泵。

(1) 燃油喷油泵驱动齿轮

拧紧 Bosch 燃油喷油泵驱动齿轮的四个螺栓至以下扭矩。 ... 28 N·m (21 lb ft)
燃油喷油泵驱动齿轮的孔径 ... 36.00 至 36.06 mm (1.1809 至 1.1819 in)
燃油喷油泵驱动齿轮和驱动齿轮毂之间的间隙 ... 0.003 至 0.075 mm (0.0001 至 0.0050 in)
齿数 ... 68

(2) 凸轮轴齿轮

将凸轮轴齿轮的螺栓拧紧至下述扭矩。 ... 95 N·m (70 lb ft)
凸轮轴齿轮的孔径 ... 34.93 至 34.95 mm (1.3750 至 1.3760 in)
凸轮轴毂的外径 ... 34.90 至 34.92 mm (1.3741 至 1.3747 in)
凸轮轴齿轮和凸轮轴毂之间的间隙 ... 0.003 至 0.048 mm (0.0001 至 0.0019 in)
齿数 ... 68

(3) 惰轮和毂

将惰轮的螺栓拧紧至下述扭矩。 ... 44 N·m (33 lb ft)
惰齿轮的孔径 ... 57.14 至 57.18 mm (2.2495 至 2.2512 in)
带滚柱轴承的惰齿轮的孔径 ... 72.35 至 72.36 mm (2.8484 至 2.8488 in)
惰轮和分离式轴承组件的宽度 ... 30.14 至 30.16 mm (1.186 至 1.187 in)
带法兰的惰轮轴承的内径 ... 50.78 至 50.80 mm (1.999 至 2.000 in)
惰轮毂的外径 ... 50.70 至 50.74 mm (1.9961 至 1.9976 in)
带滚柱轴承的惰齿轮毂的外径 ... 49.975 至 49.988 mm (1.9675 至 1.9680 in)
毂上惰齿轮轴承的间隙 ... 0.04 至 0.10 mm (0.0016 至 0.0039 in)
惰轮轴向间隙 ... 0.10 至 0.20 mm (0.004 至 0.008 in)
带滚柱轴承的惰齿轮的轴向间隙 ... 0.10 至 0.75 mm (0.0039 至 0.0295 in)
最大容许轴向间隙 ... 0.38 mm (0.015 in)
齿数 ... 73



图 2g00918756

(4) 曲轴齿轮

曲轴齿轮的孔径 ... 47.625 至 47.650 mm (1.8750 至 1.8760 in)
曲轴毂的外径 ... 47.625 至 47.645 mm (1.8750 至 1.8758 in)
曲轴上齿轮的间隙 ... −0.020 至 +0.020 mm (−0.0008 至 +0.0008 in)
齿数 ... 34

(5) 机油泵惰轮

机油泵惰轮轴承内径 ... 22.22 至 22.26 mm (0.875 至 0.876 in)
机油泵惰轮轴外径 ... 22.19 至 22.21 mm (0.873 至 0.874 in)
轴上的机油泵惰轮轴承的间隙 ... 0.024 至 0.030 mm (0.0009 至 0.0012 in)
机油泵惰轮的轴向间隙 ... 0.050 至 0.275 mm (0.0019 至 0.0108 in)

齿隙值

平衡器(如果配备)驱动齿轮和惰齿轮齿隙 ... 0.097 至 0.170 mm (0.0038 至 0.0066 in)
惰齿轮和机油泵驱动齿轮齿隙 ... 0.046 至 0.106 mm (0.0018 至 0.0041 in)
机油泵惰齿轮和曲轴齿轮齿隙 ... 0.095 至 0.160 mm (0.0037 至 0.0063 in)
惰齿轮和曲轴齿轮齿隙 ... 0.064 至 0.124 mm (0.0025 至 0.0049 in)
凸轮轴齿轮和惰齿轮齿隙 ... 0.052 至 0.107 mm (0.0020 至 0.0042 in)
燃油喷油泵齿轮和惰齿轮齿隙 ... 0.054 至 0.109 mm (0.0021 至 0.0043 in)
水泵齿轮和燃油喷油泵齿轮齿隙 ... 0.073 至 0.133 mm (0.0028 至 0.0052 in)

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