Manitowoc National Crane NBT50 Series User Manual

2-44 Published 03-23-2018 Control # 243-14
SAFETY PRECAUTIONS NBT50 OPERATOR MANUAL
NOTE: The following checklist includes all features that
can be found on Manitowoc cranes. Your crane
may not have some features.
Overload less than 25%
1 Lift Cylinder Inspect for leaks.
2 Wire Rope Inspect all for damage.
See topic in Introduction section
of Service Manual.
3
Turntable
Bearing
Check bolts for proper torque.
See topic in Swing section of
Service Manual.
Overload from 25% to 49%
1 Lift Cylinder Inspect for leaks.
2 Wire Rope Inspect all for damage.
See topic in Introduction section
of Service Manual.
3
Turntable
Bearing
Check bolts for proper torque.
See topic in Swing section of
Service Manual.
4 Hoist/Drums Inspect each for damage.
5 Hoist Brakes Brakes must hold rated line pull.
6
Bearing Main
Boom Pivot
Pin
Inspect for deformation, cracked welds.
7
Lift Cylinder-
Lower Mount
Inspect pin and welds.
8 Turret Area Inspect for deformation, cracked welds.
9
Mounting
Studs
Check bolts for proper torque.
10 Welds Inspect for cracks.
11 Paint
Inspect for cracked paint which could indicate twisted,
stretched, or compressed members.

Manitowoc National Crane NBT50 Series Specifications

General

Brand	Manitowoc
Model	National Crane NBT50 Series
Category	Construction Equipment
Language	English