National Crane 600H, Service Manual

Page: 13 / 232

NATIONAL CRANE
08-19-2022 Control # 092-13
1-1
600H SERVICE MANUAL INTRODUCTION
1
SECTION 1
INTRODUCTION
SECTION CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Supplemental Information . . . . . . . . . . . . . . . . . . . 1-1
New Owner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Basic Nomenclature . . . . . . . . . . . . . . . . . . . . . . . 1-2
General Maintenance . . . . . . . . . . . . . . . . . . . . . . . 1-4
Cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Removal and Installation . . . . . . . . . . . . . . . . . . . 1-4
Disassembly and Assembly . . . . . . . . . . . . . . . . . 1-4
Pressing Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Shims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Gaskets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Hydraulic Systems . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Fatigue Of Welded Structures. . . . . . . . . . . . . . . . 1-7
Loctite®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Fasteners and Torque Values . . . . . . . . . . . . . . . . 1-7
Weld Studs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Using Torque Wrench Extensions . . . . . . . . . . . . 1-19
Wire Rope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Keeping Records . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Environmental Conditions . . . . . . . . . . . . . . . . . . 1-21
Dynamic Shock Loads . . . . . . . . . . . . . . . . . . . . . 1-21
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
Precautions and Recommendations During
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
Wire Rope Replacement . . . . . . . . . . . . . . . . . . . 1-22
Care of Wire Rope . . . . . . . . . . . . . . . . . . . . . . . . 1-23
Boom Extension and Retraction Cables . . . . . . . 1-23
Wire Rope Replacement (All Wire Rope) . . . . . . 1-24
Seizing Wire Rope . . . . . . . . . . . . . . . . . . . . . . . . 1-24
GENERAL
This manual has been compiled to assist you in properly
operating and maintaining your Model
600H series National
Crane (Behind the Cab and Rear Mount).
Before placing the crane in service, all operators and
persons working around the crane must thoroughly read and
understand the contents of this manual pertaining to
Safety,
Operation and Maintenance. Before moving a vehicle
equipped with the crane, information relating to transporting
the vehicle must be read and observed.
This manual must be retained with the machine for use by
subsequent operating personnel.
Information in this manual does not replace federal, state or
local regulations, safety codes or insurance requirements.
The 600H has been designed for maximum performance
with minimum maintenance. With proper care, years of
trouble-free service can be expected.
Constant improvement and engineering progress makes it
necessary that we reserve the right to make specification
and equipment changes without notice.
National Crane and our Distributor Network want to ensure
your satisfaction with our products and customer support.
Your local distributor is the best equipped and most
knowledgeable to assist you for parts, service, and warranty
issues. They have the facilities, parts, factory trained
personnel, and the information to assist you in a timely
manner. We reques t that you first co ntact them for
assistance. If you feel you need factory assistance, please
ask the distributor’s service management to coordinate the
contact on your behalf.
Supplemental Information
Supplemental Information regarding Safety & Operation,
Specifications, Service & Maintenance, Installation, and
parts for options such as remote controls, augers, varying
control configurations, baskets, grapples, etc. are included in
separate manuals.
Whenever a question arises regarding your National Crane
product or this publication, please consult your National
Crane distributor for the latest information. Your National
Crane distributor is equipped with the proper tools,
necessary parts, and trained personnel to properly maintain
and service your equipment.
A Safety Compact Disc or a USB flashdrive which includes
sections on Operation, Service and a Safety Video for
National Crane operators and owners is supplied when the
REFERENCE ONLY