2-46 Published 9-26-2018 Control # 646-02
SAFETY PRECAUTIONS NTC55 OPERATOR MANUAL
NOTE: The following checklist includes all features that
can be found on National cranes. Your crane may
not have some features.
Overload less than 25%
1
Stabilizer
Cylinders
Inspect for leaks.
2
Outrigger
Pads
Inspect for deformation and cracked welds.
Overload from 25% to 49%
1
Stabilizer
Cylinders
Inspect for leaks.
2
Outrigger
Pads
Inspect for deformation and cracked welds.
3
Outrigger
Beams
Inspect for deformation and cracked welds.
4
Outrigger
Boxes
Inspect for deformation and cracked welds.
5 Welds Inspect for cracks.
6 Paint
Inspect for cracked paint which could indicate twisted,
stretched, or compressed members.
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