Joyner JNSZ1100SV, Руководство пользователя, Страница: 65 / 132

3.4.4. Assembling of dustproof sealing
strip and cylinder cover
3.4.4.1. Apply lubricating oil at the threads
and grooves of the bolts.
3.4.4.2. The tightening of the cylinder bolts
should follow the sequence as
shown in the right figure. The
tightening is to be carried out in 2
—
3 operations till the torque meets
the specifications. The torque for
the first tightening operation is 30
±
2N.m; the torque for the second
tightening operation is 50
±
3N.m;
and the torque for the third
tightening operation is 70
±
3.5 Nm.
3.4.4.3. Installation of the spark plug
[Torque] 20
±
1Nm
Attention : The tools should be placed
vertically, so as not to make the spark plug
insulator become deformed, otherwise it is
easy to leak oil.