WEICHAI R6160 Series - Cylinder head nuts; Connecting rod nuts

R660系列柴油机维修保养手册
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Maintenace Manual For R660 Series Diesel Engine
拧紧力矩为（220~250）N.m。
Tightening torque is 220~250N.m.
拧入前螺纹表面涂乐泰 262 密封胶。
Before the nuts are screwed in, apply
LOCTITE 262 sealant on their thread.
2．气缸盖螺母
Cylinder head nuts
规格为 M27，每缸共四个螺母，拧
紧次序按右图所示
Size: M27, 4 nuts for each cylinder, the
tightening order is as shown in right Figure.
分三次均匀拧紧，拧紧力矩：220kW
以 下 机 型 为（600 ～ 650）N.m；220kW
及以上机型用（650 ～ 700）N.m。
Tighten the nuts uniformly for three times.
Tightening torque:600～650N.m for
engine which power is less than 220kW;
650～700N.m for engine which power is
220kW and more.
3．连杆螺母
Connecting rod nuts
300kW 及以上机型：规格为 M16，
每缸 4 个，拧紧力矩为 140N.m，分二次
对称拧紧：
For engine which power is 300kW and
more, the size is M16, 4 used for each
cylinder, tightening torque is 140N.m,
tighten in a symmetrical manner in 2 times:
第一次：80 N.m 第二次：140 N.m
First time: 80N.m; second time: 140N.
m.300kW 以下机型：规格为 M20，每缸
2 个，拧紧力矩为 250N.m，分二次对称
拧紧：
For engine which power is less than
300kW, the size is M20, 2 used for each
cylinder, tightening torque is 250N.m,
tighten in a symmetrical manner in 2 times:
第一次：130 N.m 第二次：250 N.m
First time: 130N.m; second time: 250N.m.