R660系列柴油机维修保养手册
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Maintenace Manual For R660 Series Diesel Engine
检查供油提前角
Check fuel advance angle
将油门置于最大油量位置，拆下第
一缸高压油管，将油泵足
Set the throttle at the max fuel quantity
position, dismantle the high pressure
fuel pipe of 1st cylinder, and pump fuel
sufficiently.
盘动飞轮到上止点前 30 度左右
Rotate the flywheel to 30° before TDC.
松开气缸盖放气螺钉，缓慢按柴油
机工作转向盘动飞轮，同时密切注意油
泵出油口的油面，当油面刚刚波动的瞬
间，就表示第一缸开始供油，此时机后盖
上箭头所对应的刻度即供油提前角。
Unscrew the release screw on cylinder
head, rotate the flywheel slowly with the
working direction and watch out for the fuel
level at outlet of fuel pump. When the fuel
level is just fluctuating, it means that the
1st cylinder begins fuelling. At this time,
the graduation indicated by the arrow on
the rear cover of engine is the fuel advance
angle.
若此角度与规定角度不符，则应调
整。
If this angle is not agree with the specified
value, it should be readjusted.
首先松开连接器的紧固螺栓
First of all, unscrew the bolt of connector.
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