SAFETY INFORMATION 777 OPERATOR’S MANUAL
2-22 Published 10-01-12, Control # 044-05
1
If Boom is Off Ground
and Supported by Straps...
2
and there is No Blocking
Under Boom Sections...
3
Boom will COLLAPSE when
Lower Pins are Removed!
A10415
FIGURE 2-4
View A
WRONG – DANGEROUS!
2
Handling Pendants are Slack...
3
and there is No Blocking
Under Boom Sections...
4
Boom will COLLAPSE when
Lower Pins are Removed!
View C
RIGHT – SAFE
1
Handling Pendants Taut
and Supporting Boom...
2
before Removing
Bottom Pins!
3
Boom Sections Lowered
and Securely Blocked!
View B
WRONG – DANGEROUS!
1
If Boom Point
is on Ground...
Straps Fully Lowered onto
Supports Before Removing Pins
Typical Crane Shown
Typical Crane Shown
Typical Crane Shown
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