C7 Engines for Caterpillar Built Machines Caterpillar


Electric Starting Motor

Usage:

325D L A3R



图 1g01406529



图 2g01156917

A-A 视图

当从驱动端观看电起动马达时,马达旋转方向如下。 ... 顺时针

25 °C (77 °F) 时无负载

车速 ... 7200 ± 1250 rpm
电流 ... 82.5 ± 17.5 安培
电压 ... 23 V

注: 蓄电池端子螺母最多可使用三条电缆或导线端子。 两个接线端最高不低于 0 AWG。

(1) 蓄电池端子螺母的最终安装扭矩 ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) 接地接线端螺母的最终安装扭矩 ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(3) 接地接线端螺母的最终安装扭矩 ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

注: 开关接线端必须用热收缩管绝缘。 不要使用模压接线端。

(4) 开关接线端螺母的最终安装扭矩 ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(5) 马达接线端螺母的最终安装扭矩 ... 14.7 ± 3.4 N·m (11 ± 3 lb ft)

(6) 马达机架接线端螺母的最终安装扭矩 ... 8 ± 3 N·m (70 ± 27 lb in)

电磁阀组件

在 20 V 和 25 °C (77 °F) 下的最大电流

吸合绕组 ... 57 A
保持绕组 ... 13 安
最大额定电流 ... 750 安

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