Technical Manual
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This manual is divided into major sections covering various serviceable components and systems of the Model 7250 dragline. These sections and their contents are organized by thumb index tabs shown below and
right-black ink tab marks.
SECTION 1 - INTRODUCTION
SECTION 2 - GENERAL DESCRIPTION
SECTION 3 - MARION PROGRAMMABLE SYSTEM
SECTION 4 - START UP PROCEDURE
SECTION 5 - SPECIAL PROCEDURES
SECTION 6 - TYPICAL DIGGING CYCLE
SECTION 7 - TYPICAL WALKING CYCLE
SECTION 8 - SHUT DOWN PROCEDURE
SECTION 1 INTRODUCTION
GENERAL INFORMATION
This manual is a reference guide for the new operator and a review guide for the experienced operator. Basic operating procedures are described. Skills and techniques will develop as the operator gains knowledge of the machine, its capabilities, and its limitations. All references to RIGHT and LEFT are made from the position of the operator in his seat facing the front of machine (boom end). Your safety, and the safety of others, depends upon your knowledge and care in the operation of this machine.
Periodic additions or revisions may be made to this manual. These will be mailed direct to you from the factory. Should you require additional information or factory service assistance, contact your regional service representative or
Service Department Dresser Industries, Inc.
Marion Division
617 West Center Street
P.O. Box 505 Marion, OH 43302
or:
Telephone 614/383-5211
Telex 24-5307
Telecopier 614/383-5211
It is Dresser's policy to improve its products whenever possible and practical to do so. The company reserves the right to make changes or add improvements at any time without incurring any obligation to install such changes on machines sold previously.
Due to this continuous program of product research and development some procedures, specifications, and parts may be altered in a constant effort to improve machines.
SAFETY PRECAUTIONS
AThis safety alert symbol is used here and throughout this manual to call your attention to instructions concerning your personal safety. Carefully read and follow these instructions and observe all SAFETY, DANGER, and CAUTION graphics mounted on various areas of the machine.
• Thank you very much for reading the preview of the manual.
• You can download the complete manual from: www.heydownloads.com by clicking the link below
• Please note: If there is no response to CLICKING the link, please download this PDF first and then click on it.