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页
第
7
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Page 7 of 50
汽缸头盖的拆卸
Removal of Cylinder Head Cover
1
、
拆下汽缸头盖进气、排气两侧气门室盖的
4
颗
GB/T16674
小盘
M6×20
的紧固螺栓。
Remove the 4 small GB/T16674 M6×20
pan-head fastening bolts on intake and
exhaust valve chamber covers of cylinder
head cover.
2
、
拆下气缸头进气、排气两侧的气门室盖。
Remove intake and exhaust valve
chamber covers of cylinder head.
3
、
拆下紧固缸头盖的
2
颗
GB/T16674
小盘螺
栓
M6×105
、
2
颗
GB/T16674
小盘螺栓
M6×20
、
1
颗
GB/T16674
小盘螺栓
M6×32
，
1
颗
GB/T16674
小盘螺栓
M6×28
，
2
颗
GB5789
大盘螺栓
M6×65
。
Remove the 2 small GB/T16674 M6×105
pan-head bolts, 2 small GB/T16674
M6×20 pan-head bolts, 1 small
GB/T16674 M6×32 pan-head bolt, 1 small
GB/T16674 M6×28 pan-head bolt and 2
large GB5789 M6×65 pan-head bolts on
cylinder head cover.
注意：
Note:
2
颗大盘螺栓各有一铜垫片
(
φ
6.2×2×
φ
13)
。
Each of the 2 large pan-head bolts has a
copper gasket (
φ
6.2×2×
φ
13).
4
、
拆下缸头盖。
Remove the cylinder head cover.
汽缸头的拆卸
Removal of Cylinder Head
1
、
拆下
NC250
缸头密封胶套，
NC250
凸轮轴
档板（形状为半圆环）。
Remove the NC250 cylinder head sealing
bush and the NC250 camshaft baffle
(semicircular).
M6×20
大盘
M6×65
有铜垫
Large M6×65 pan-head bolts
have copper washers.
M6×20
M6×105
M6×28
M6×32
NC250
缸头密封胶套
NC250 cylinder head sealing
bush
NC250
凸轮轴档板（形状为半圆环）
NC250 camshaft baffle
(semicircular)
