64015 Force NUT (1/4-20)

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Think SafetyMost accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.Improper operation, lubrication, maintenance, or repair of this product can be dangerous and could result in injury or death.Do not operate or perform any lubrication, maintenance, or repair on this product until you have read and understood the information.Safety precautions and warnings are provided in this manual and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.The hazards are identified by the Safety Alert Symbol and followed by a Signal Word such as "DANGER", "", or "CAUTION". The Safety Alert "" label is shown below.A non-exhaustive list of operations that may cause product damage are identified by "" labels on the product and in this publication.Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The warnings in this publication and on the product are, therefore, not all inclusive. If a tool, procedure, work method, or operating technique is not recommended by Caterpillar, the operator must be sure that the procedure is safe. The operator must also be sure that the product will not be damaged or made unsafe by any unspecified procedures.The information, specifications, and illustrations in this publication are based on information that was available at the time that the publication was written. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete and most current information before you start any job.When replacement parts are required for this product, Caterpillar recommends using Cat replacement parts or parts with equivalent specifications including, but not limited to, physical dimensions, type, strength, and material.Literature Information
This manual contains safety information, operation instructions and maintenance information and should be stored with the tool group.Some photographs or illustrations in this publication may show details that can be different from your service tool. Guards and covers might have been removed for illustrative purposes. Continuing improvement and advancement of product design might have caused changes to your service tool, which are not included in this publication.Whenever a question arises regarding your service tool or this publication, consult Dealer Service Tools (DST) for the latest available information.Safety Section
The Safety section lists basic safety precautions.Read and understand the basic precautions listed in the Safety section before operating or performing maintenance and repair on this service tool.General Information Section
The General Information section describes tooling functions and features. The section provides useful information on individual parts, additional tooling, and resources.Operation Section
The Operation section is a reference for the new operator and a refresher for the experienced operator.Photographs and illustrations guide the operator through correct procedures for using the tool group.Operating techniques outlined in this publication are basic. Skill and techniques develop as the operator gains knowledge of the service tool and tool capabilities.Maintenance Section
The Maintenance section is a guide to tool inspection, cleaning, storage, and tool disposal.Safety Section
Safety Icon Nomenclature
Personal Protection/Important Information
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Personal Protection/Important InformationProhibited Action
Do not drill
Do not weld Hazard Avoidance
Crushing hazard
Electrical hazard
Pinch point
Safety alert symbol General Information Section
Introduction
The 1U-8860 Large Engine Blowby Pickup Group is an optional pickup for use with the 8T-2701 Blowby/Air Flow Indicator. It contains a large 38 mm (1.5 inch) I.D. pickup which allows it to be used on large engines without increasing the crankcase pressure.It is designed to monitor the blowby volume on Cat 3500, 3600, and D300 series engines, as well as competitive large engines.The range of this pickup is 94 to 1888 L/min (200 to 4000 cfh).Due to the all metal construction and large size, the 1U-8860 Large Engine Blowby is suitable for permanent installation on engines so blowby can be continuously monitored. The Blowby is useful for dynamometer rooms or marine or gen set installations.When connected to the 8T-2701 Blowby/Air Flow Indicator, a digital display provides the blowby value (volume of exhaust gas escaping to the crankcase). This blowby valu