喷油泵供油量过大,主要是调整错误导致的,如油量调整螺母调整得过大,或臂限止螺钉调整不当。喷油泵供油量过小,主要是柱塞偶件磨损,这时应换新的偶件;出油阀弹簧弹力减小甚至折断,使出油阀关闭不严或出油阀密封锥面被污物垫起,而造成漏油,供油量减小。AOU
2. 2 供油提前角过大或过小
喷油嘴 | P | DLLA148P1462 | DLLA148P1462 |
喷油嘴 | P | 0 433 171 905 | DLLA148P1461 |
喷油嘴 | P | DLLA148P1460 | DLLA148P1460 |
喷油嘴 | P | DLLA147P875 | DLLA147P875 |
喷油嘴 | P | DLLA147P854 | DLLA147P854 |
喷油嘴 | P | 78314-955 | DLLA147P827 |
喷油嘴 | P | 0 433 171 495 | DLLA147P680 |
喷油嘴 | P | 0 433 171 478 | DLLA147P658 |
喷油嘴 | P | 0 433 171 398 | DLLA147P538 |
喷油嘴 | P | 0 433 171 257 | DLLA147P360 |
喷油嘴 | P | DLLA147P1230 | DLLA147P1230 |
喷油嘴 | P | DLLA147P1229 | DLLA147P1229 |
喷油嘴 | P | DLLA146P994 | DLLA146P994 |
喷油嘴 | P | DLLA146P737 | DLLA146P737 |
喷油嘴 | P | DLLA146P693 | DLLA146P693 |
喷油嘴 | P | DLLA146P692 | DLLA146P692 |
喷油嘴 | P | 093400-6670 | DLLA146P667 |
喷油嘴 | P | 9 430 084 757 | DLLA146P600 |
喷油嘴 | P | DLLA146P499 | DLLA146P499 |
喷油嘴 | P | DLLA146P203 | DLLA146P203 |
喷油嘴 | P | 0 433 171 149 | DLLA146P166 |
喷油嘴 | P | 0 433 171 137 | DLLA146P154 |
喷油嘴 | P | 0 433 171 128 | DLLA146P140 |
喷油嘴 | P | DLLA146P1297 | DLLA146P1297 |
喷油嘴 | P | DLLA146P1218 | DLLA146P1218 |
喷油嘴 | P | 0 433 171 556 | DLLA145P809 |
喷油嘴 | P | DLLA145P785 | DLLA145P785 |
喷油嘴 | P | DLLA145P639 | DLLA145P639 |
喷油嘴 | P | DLLA145P632 | DLLA145P632 |
柴油机喷油泵供油提前角过大或过小都造成柴油机难以启动,相比之下,供油角过小时启动更加困难。供油提前角过大,首先表现为机油温度过高,并伴有水温较高现象;供油角过小时,首先表现为水温过高,并伴有排气温度过高现象,而机油温度升高则不明显。
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