Manitowoc National Crane NBT40-1 Series User Manual

National Crane 3-29-2018 Control # 610-00 8-1
NBT40-1 SERIES OPERATOR MANUAL MAINTENANCE CHECKLIST
8
SECTION 8
MAINTENANCE CHECKLIST - CRANE
SECTION CONTENTS
Inspection And Maintenance . . . . . . . . . . . . . . . . . 8-1
General Inspections. . . . . . . . . . . . . . . . . . . . . . . . 8-1
Special Boom Inspection . . . . . . . . . . . . . . . . . . . . 8-3
Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Hoist Rope Inspection And Maintenance . . . . . . . 8-3
Keeping Records . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Environmental Conditions . . . . . . . . . . . . . . . . . . . 8-3
Dynamic Shock Loads. . . . . . . . . . . . . . . . . . . . . . 8-4
Precautions and Recommendations During
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Wire Rope Replacement . . . . . . . . . . . . . . . . . . . . 8-5
Care of Wire Rope . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
Replacement Cable . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
Equipment Adjustments and Repairs . . . . . . . . . . 8-6
Boom Extension Cable. . . . . . . . . . . . . . . . . . . . . . 8-6
Jib Jack Service and Maintenance. . . . . . . . . . . . . 8-6
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Rust Prevention . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Oil Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Hydraulic System Trouble Diagnosis . . . . . . . . . . . 8-6
INSPECTION AND MAINTENANCE
Regularly scheduled inspection and maintenance intervals
are required to keep the crane in peak operating condition.
The following pages outline the inspection and maintenance
intervals.
Refer to Maintenance Checklist - Aerial Lift, page 9-1 for
additional information relating to Aerial Lift ANSI/SAIA
A92.2-2015 inspections and maintenance intervals.
Refer to the Service Manual for complete instructions on
performing maintenance on this crane.
General Inspections
All inspection and maintenance testing must be
accomplished by trained and qualified personnel in
accordance Sections 9 and 10 of this National Cranes and
Aerial Lifts Operator Manual and Service Manuals.
The inspection intervals listed below are to be conducted on
the equipment to ensure safe and proper operation. Refer to
the Service Manual when installing missing or loose
fasteners. Should a deficiency be found, a determination
must be made as to whether the deficiency is a safety hazard
or though not yet a safety hazard, needs to be monitored in
the monthly inspections.
The inspections are separated into the following frequency
classifications:
• Daily inspections - performed by the operator at the start
of the day.
• Weekly inspections - performed by the operator.
• Monthly inspections - performed by maintenance
personnel.
• Periodic inspections - performed by maintenance
personnel at least every three months and includes all
items listed under daily, weekly, and monthly
inspections. Federal Laws through OSHA and ASME
B30.5 require that dated and signed records of these
periodic inspections be kept. An inspection log book is
available from your National Crane distributor or
Manitowoc Crane Care.
Daily Inspections/Pre-use
Check the following items:
1. Engine oil level.
2. Hydraulic oil level.
WARNING
Fall Hazard!
Do not, under any circumstances, work at an elevated
height without using proper fall protection as required by
local, state or federal regulations
!
WARNING
If any deficiency determined during the inspection is a
safety hazard the machine must be removed from service
and the deficiency corrected.
!

Manitowoc National Crane NBT40-1 Series Specifications

General

Brand	Manitowoc
Model	National Crane NBT40-1 Series
Category	Construction Equipment
Language	English