CB/T3707-19953.2.5泵叶轮如图3所示的轴向间隙6及径向间隙超过表1中的修换间隙应换新，轴套外径超过表2中极限间隙应换新。图3表1mm安装间隙修换间限叶轮直径d耗损极限轴向间隙径向间隙轴向间腺径向间隙750.08-0.150.070.130.200.200.35751000.10-0.200.09-0.150.250.250.40100-1250.12-0.250.10-0.180.300,300.451251500.150.300.120.200.350.350.501502000.170.350.130.250.150.400.55200-2500.20-0.400.150.300.500.450.60表2mm轴径d安装间隙极限间隙180.0150.0300.0518-500.020-0.0350.063.2.6泵轴的同轴度按4.2条要求。泵叶轮的同轴度及跳动址应按4.3条要求。3.2.7检查联轴器的弹性套柱销和弹性胶圈的磨损及老化情况。3.2.8联轴器的配合应符合GB4323规定。3.2.9滚动轴承应符合4.6条要求。3.2.10对机械密封装置的动环、静环、弹簧及橡胶密封件做外观检查，对没有修理可能性的零件应换新。3
