Lull 6K Service Manual - Manual (Page 78)

General Maintenance
3-10 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
13. Shut the machine down and check for any hydraulic leaks and repair,
as necessary.
WARNING: Hydraulic fluid under pressure can penetrate the skin or
damage eyes. Fluid leaks under pressure may not be visible.
Use a piece of cardboard or wood to find leaks but do not use
your hand. Wear appropriate eye protection. If fluid enters skin
or eye, get medical attention immediately.
14. Check for any other leaks and repair as necessary.
15. Check other fluid levels and replenish as necessary. Refer to your
service/lubrication charts.
Torque Specifications
General Torques for Standard Bolts, Capscrews, and Nuts
Table 3-5 and Table 3-6 lists torque values for standard bolts and nuts.
They are intended as a guide for typical applications. Values for specific
applications take precedence over those in the following tables.
Note: Values are for plated or lubricated bolts and nuts.
Fig. 3-1: SAE Grade Identification
SAE GRADE 2
SAE GRADE 5 SAE GRADE 5.1 SAE GRADE 5.2
SAE GRADE 8.2 SAE GRADE 8
SAE BOLT HEAD MARKINGS SAE NUT MARKINGS
SAE GRADE 2 (NO MARK)
SAE GRADE 5
SAE GRADE 8
Y
1001
Y
1000