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Disposizioni speciali: Misurazioni Representative in the Union: Patrick Vervier, Stanley Dubuis 17-19, rue Jules Berthonneau-BP 3406 41034 Blois Cedex, France. Vertreter in der Union/Représentant dans l’union/Representante en la Union/Rappresentante presso l’Unione Done at/Ort/Fait à/Dado en/Fatto a Stanley Hydraulic Tools, Milwaukie, Oregon USA...
REPAIRS AND / OR SERVICE TO THIS TOOL MUST ONLY BE DONE BY AN AUTHORIZED AND CERTIFIED DEALER. For the nearest certified dealer, call STANLEY Infrastructure at (503) 659-5660 and ask for a Customer Service Representative. MBF5 User Manual ◄ 3...
Always observe safety symbols. They are included for your safety and for the protection of the tool. LOCAL SAFETY REGULATIONS Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and maintenance personnel. 4 ► MBF5 User Manual...
The decals must be replaced if illegible. Replacement decals can be obtained from your authorized Stanley Distributor. • When operating the breaker you must use ear protection, eye protection, and breathing protection. MBF5 User Manual ◄ 5...
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• Know the limits of your equipment. The MBF5 Mounted Hydraulic Breaker will provide • Establish a training program for all operators to safe and dependable service if operated in accordance ensure safe operation.
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• Do not modify the breaker in any manner. • Use only tool bits supplied by STANLEY. Use of tool bits supplied by another manufacturer may damage the breaker and will void the warranty. •...
47352 - Lift Point Sticker 47351 - Composite Warning Sticker Made in of Global Components 66764 - Made in USA Sticker 70754 - Nitrogen Sticker 200 PSI 70972 - Grease Sticker 74707 - STANLEY Logo Sticker MBF5S Models 8 ► MBF5 User Manual...
V60/V65/V100 Valves: A priority flow control valve manufactured by STANLEY. Allows for optimum opera- tion of any attachment by providing the proper amount of flow for operation of the tool the “priority” aspect allows the attachment to function properly if another control function is activated.
Carrier Size - Backhoe 500-13500 lbs (2273-6075 kg) NOTE: Weights, dimensions and operating specifications listed on this sheet are subject to change without notice. Where specifications are critical to your application, please consult the dealer. 10 ► MBF5 User Manual...
11.980 13.450 CONFIDENTIAL - This document and all information contained herein is the property of The Stanley Works and may not be disclosed to unauthorized persons or reproduced by any means, or used for any purpose other than that submitted without express written permission HYDRAULIC TOOLS from The Stanley Works.
“Heat rise” is calculated as the stabilized temperature decline rapidly. Locate the tools operating system minus the ambient temperature. relief pressure in the specification section (page 10) in the manual. Adjust attachment relief to specification. 12 ► MBF5 User Manual...
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The normal operating temperature range of this circuit deteriorated. will be the ambient temperature plus the heat rise, as 6. Have your STANLEY dealer test the circuit to which calculated above. Ensure that the operating temperature the breaker will be connected to make sure that the range is lower than 180°...
1. After starting the carrier, warm-up the hydraulic system at engine idle until hydraulic lines are warm to the touch. 2. With the carrier at idle and the breaker suspended in the air or with minimal down pressure, turn 14 ► MBF5 User Manual...
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Do not run the breaker longer than weight of the backhoe is on the breaker tool. The breaker 15 – 20 seconds. If breakout does not occur within this is more efficient when adequate down force is applied. MBF5 User Manual ◄ 15...
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Many materials do not respond well to continued hammering in one place. The breaker tool should be repositioned on the work each time the tool penetrates but does not crack the material. Scoring with the breaker 16 ► MBF5 User Manual...
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BLANK FIRING To understand “Blank Firing”, the operator needs to be aware that the tool bit is able to drop down in the lower MBF5 User Manual ◄ 17...
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Do not use underwater without supplying air to breaker. No part of the breaker may be submerged in water. Underwater usage of the breaker will cause internal damage to the breaker. Consult STANLEY for modifications and specific warranty coverage if you have an underwater requirement.
This section describes how to find and resolve problems users may experience. If a situation occurs that is not covered, call your STANLEY Customer Service Representative for assistance. Inspecting the tool or installing parts with the hydraulic hoses connected can result in severe personal injury or equipment damage.
It is Move the tool bit back and forth and measure the recommended to replace ALL worn components. gap between tool bit and lower bushing. (Use a new tool bit.) 20 ► MBF5 User Manual...
If the pressure is not are the 505232 charge hose assembly and the 28257 correct, proceed to step number 6. accumulator tester, which are used with other STANLEY Note: When disengaging the tester a "POP" of model breakers. When charging the accumulators, nitrogen is normal.
WEAR TOLERANCES Refer to “MBF5 Power Cell Illustration” on page 27. REJECT LIMIT Measure at Center LOWER BUSHING (Item 32) 2.650 in. / 67.3 mm 2.760 in. / 70.1 mm LOWER BUSHING TOOL STOP (Item 31) Wear Areas A) 2.650 in. / 67.3 mm A) 2.760 in.
Special care occurring again. should be taken to lubricate the tool shaft every two to All STANLEY tool bits are machined and hardened for three hours. maximum performance. Care must be taken to maintain...
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Working steel failures can be diagnosed by looking at the break itself and at the place on the steel where the break occurred. Discoloration, like “rainbow” effects or blue bands, is the result of extreme heat. 24 ► MBF5 User Manual...
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“tail” opposite that where the remaining steel bent and tore. • Failures in this area are usually the result of heat build-up, mushrooming or improper contact with the work. MBF5 User Manual ◄ 25...
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PROPER CARE OF TOOL BITS STANLEY breakers are available with several different types of tool bits. The most common are the moil, chisel and blunt. Each of these working steels has its own purpose as described below. To obtain the maximum production from the breaker, it is important to select the proper working steel. Consult your STANLEY representative for assistance in selecting the proper working steel for your application.