EP Equipment LIST JX0, Руководство по обслуживанию

Страница: 21 / 206

REV. 07/2019
INFORMATION & SPECIFICATIONS
1
8
Table 1.4.1 Screws/Bolts Performance Levels
Performance Level Material Specification (mm)
5.8 grade Low carbon steel M6 ~ M48
8.8 grade
Quenched and tempered medium
carbon steel
M6 ~ M48
10.9 grade Quenched and tempered medium
carbon alloy steel
M6 ~ M48
12.9 grade Quenched and tempered medium
carbon alloy steel
M6 ~ M48 12.9
10.9
8.8
5.8
1.4 General Tightening Torques
Screws or bolts used on the truck are of 8.8
grade or higher performance level.
When you are conducting truck maintenance,
you can refer to Table 1.4.1 and Table 1.4.2 to
select the suitable screws or bolts for replace-
ment.
-
-
CAUTION
The performance levels of screws or bolts are
marked on the heads of the screws or bolts.
If you find the screws or bolts used on certain
position are not marked with performance
level, please select spare parts with perform-
ance level of at least 8.8 grade or higher level
forreplacement.