Lull 6K Service Manual - Manual (Page 301)

Boom and Transfer
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 6-51
Another option is to install/replace boom wear strips. Contact the JLG
Service Department or your dealer for information about available wear
strips.
Fig. 6-34: Damaged Slide Surface
Fig. 6-35: Slide Surface Repair
J1040
0.030" Max.
J1041
0.030"
Max.