A.
TWO-STAGE LFL MAST
B.
TWO-STAGE FFL MAST
C.
THREE-STAGE FFL MAST
D.
FOUR-STAGE FFL MAST
1. OUTER WELDMENT
2. INNER WELDMENT
3. INTERMEDIATE WELDMENT
4. HOOK
5. FREE-LIFT CYLINDER
6. CARRIAGE BAR
7. CROSSMEMBER
8. FIRST INTERMEDIATE WELDMENT
Figure 1. Two-Stage LFL, Two-Stage FFL, Three-Stage FFL, and Four-Stage FFL Masts
Safety Procedures When Working Near Mast
2100 SRM 1139
4
