19.7 ft (6 m) Insert with Sheaves
19.7 ft (6 m) Insert without Sheaves,
but with Sheave Frames
19.7 ft (6 m) Insert
9.8 ft (3 m) Insert
39.4 ft (12 m) Insert
Boom Top
Boom Butt in Shipping Position
with Auxiliary Drum
Boom Butt in Woring Position
without Auxiliary Drum
Center of Gravity
Symbol
Figure 4-65
Boom Butt in Working Position
with Auxiliary Drum
Boom Butt in Shipping Position
without Auxiliary Drum