Manitowoc MLC300 - Page 44

SAFETY INFORMATION MLC300 OPERATOR MANUAL
2-22
Published 11-20-19, Control # 234-19
If Boom is Off Ground
and Supported by Straps...
and there is No Blocking
Under Boom Sections...
Boom will COLLAPSE when Lower Pins are Removed!
View A
WRONG – DANGEROUS!
Handling Pendants
are Slack...
and there is No Blocking
Under Boom Sections...
Boom will COLLAPSE when Lower Pins are Removed!
View C
RIGHT – SAFE
Handling Pendants Taut
and Supporting Boom...
before Removing
Bottom Pins!
Boom Sections Lowered
and Securely Blocked!
View B
WRONG – DANGEROUS!
If Boom Point
is on Ground...
Straps Fully Lowered onto
Supports Before Removing Pins
Figure 2-4. Boom Disassembly