73
M1.9-06.6-001
02 Rev. 11/08
LUBRICATION & ADJUSTMENT
Metric Torque Values
Metric Torque Values
All Crown trucks are manufactured with class 8.8 or
better screws and bolts. The information contained in
this section will aid you when replacing any screws and
bolts that are necessary when performing maintenance
on your lift truck.
Grade
Figure 15048
Grade Marking
(on Head)
Specification Material
Bolt and Screw
Size (mm)
Class 5.8
Class 8.8
Class 10.9
M5 through M36
M5 through M36
M5 through M36
Low Carbon Steel
Medium Carbon Steel
Quenched and Tempered
Medium Carbon Alloy Steel
Quenched and Tempered
NOTE: Even though a bolt head is unmarked, Crown uses nothing less than class 8.8 in all of its bolted
assemblies. Instances do occur when class 8.8 bolts are manufactured unmarked. When a fastener
is replaced that is unmarked, replace the fastener with a class 8.8.
Crown 1989 PF8514-1 Rev. 11/08
To Next Page
Loading...