Instruction/ maintenance manual of the product MB156 Stanley Black & Decker
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© 2015 Stanley Black & Decker , Inc. New Britain, CT 06053 U.S.A. 30892 2/2015 V er . 14 USER MANUAL Safety , Operation and Maintenance MB156 MOUNTED HYDRAULIC BREAKER.
2 ► MB156 User Manual DECLARATION OF CONF ORMI TY ÜBEREINSTIMM UNGS - ERKLARUNG DECLARATION DE CONFOR MITE CEE DECLARACION DE CONFO RMIDAD DICHIARAZIONE DI CONFORM ITA Hydraulic Tools _______ _____.
MB156 User Manual ◄ 3 SERVICING: This manual contains safety , operation, and routine maintenance instructions. Stanley Hydraulic T ools recommends that servicing of hydraulic tools, other than routine maintenance, must be performed by an authorized and certied dealer .
4 ► MB156 User Manual Always observe safety symbols. They are included for your safety and for the protection of the tool. LOCAL SAFETY REGULA TIONS Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and mainte- nance personnel.
MB156 User Manual ◄ 5 WA R N I N G Do no t op er at e t he b r eak er u nl es s t he f oll ow in g s af et y in s tr u cti on s h av e b e en th orou gh ly rea d an d u nd ers tood ! R ead th is m a n u al be f or e i n st a l lin g, o pera ti ng or m a i n ta in i ng th is equ i pm e nt .
6 ► MB156 User Manual T ool operators and maintenance personnel must always comply with the safety precautions given in this manual and on the stickers and tags attached to the tool and hose. These safety precautions are given for your safety . Re- view them carefully before operating the tool and before performing general maintenance or repairs.
MB156 User Manual ◄ 7 • Do not operate the tool unless thoroughly trained or under the supervision of an instructor . • Become familiar with the carrier controls before op- erating the carrier and the breaker . • When operating the breaker you must use ear pro- tection, eye protection, and breathing protection.
8 ► MB156 User Manual PN:73003 116 Lwa 68594 Sound Power Level—1 16 dBA 47352 Lifting Point Decal Stanley Hydraulic Tools Division of The Stanley Works 3810 SE Naef Road Milwaukie, OR 97267 USA MO.
MB156 User Manual ◄ 9 PRE-INST ALLA TION INSTRUCTIONS BACKHOE OR EXCA V A TOR SIZE Check the Specications section of this manual to de - termine correct carrier size, hydraulic ow and pressure requirements.
10 ► MB156 User Manual 2. With the carrier at idle and the breaker suspended in the air or with minimal down pressure, turn on the breaker to gradually warm up its internal compo- nents. 3. When the hydraulic system and breaker are warm, proceed with operation.
MB156 User Manual ◄ 1 1 Figure 3. Skidsteer Loader BACKHOES With the breaker tool in place on the material to be worked, position the backhoe so the boom is halfway up (45°) and the dipper holds the breaker almost vertical. Lower the loader bucket until the weight is off the front tires.
12 ► MB156 User Manual On at material such as concrete runways, starting to break in the middle of the material may cause vibrations to be transmitted throughout the breaker and excavator because the material has no place to break to. Always try to start at a point which will permit the material to break out.
MB156 User Manual ◄ 13 Always direct the down pressure force in a line toward the point of tool contact with the work. Moving rocks with the tool bit is another method of bind- ing the tool bit. This practice should be avoided as it may cause tool bit failure.
14 ► MB156 User Manual While “Blank Firing” cannot always be avoided, it can be kept to a minimum by avoiding the above conditions as much as possible.
MB156 User Manual ◄ 15 This section describes how to nd and resolve problems users may experience. If a situation occurs that is not covered, call your Stanley Customer Service represen- tative for assistance. PROBLEM CAUSE SOLUTION Breaker will not re.
16 ► MB156 User Manual DAIL Y MAINTENANCE CHECKS • Check for loose or missing fasteners. T ighten or re- place as needed. • Inspect tool retaining pins and pockets for wear . • Check for hydraulic leaks at all ttings and hoses. Replace any defective hoses.
MB156 User Manual ◄ 17 The tools required to charge the breaker are shown be- low . These tools (except the nitrogen tank) are available in the MB156 Service Kit. When using the tools, be sure they are clean as well as the breaker charge valve. Dirt can contaminate the charge valve and cause leakage.
18 ► MB156 User Manual The Flow Control Kit is an option for Skid Steer Models. The Flow Control Kit regulates the ow from the skid steer hydraulics to the breaker to prevent over-speeding of the breaker . Follow the instructions below to install the kit.
MB156 User Manual ◄ 19 NEW REJECT LIMIT LOWER BUSHING (ITEM 6) 1.770 in./45 mm 1.645 in./42 mm TOOL STOP (ITEM 7) A) 1.770 in./45 mm Inside Diameter A) 1.645 in./42 mm Inside Diameter B) .47 in./12 mm Depth B) .35 in./9 mm Depth RET AINER PIN (ITEM 9) .
20 ► MB156 User Manual Worn-out retainer pin(s) will cause uneven loading on the pin(s) themselves, causing failure of the tool or re- tainer pin(s). This will also cause excessive wear to the front bushing(s). MET AL-TO-MET AL CONT ACT Extreme caution should be used to avoid scratches or gouges on the surface of the tool.
MB156 User Manual ◄ 21 In its most extreme forms, the combination of surface damage and severe bending can quickly break even the best working steels. The illustrations below show examples of severe stress breaks. Figure 20. Severe Stress Breaks PR YING This is the most common cause of tool failure.
22 ► MB156 User Manual T OOL F AILURE COVERED UNDER W ARRANTY INTERNAL MA TERIAL FLA W This failure occurs when a foreign material is rolled into the steel during the manufacturing process, causing an imperfection in the internal material aw grain.
MB156 User Manual ◄ 23 Stanley Breakers are available with several different types of tool bits. The most common are the moil, chisel and the blunt. Each of these working steels has its own purpose as described below: T o obtain the maximum production from the breaker , it is important to select the proper working steel.
24 ► MB156 User Manual The correct performance of this procedure will verify if the auxiliary circuit of the carrier is adequate to properly operate a Stanley attachment. This procedure is generic in form. It is the end users responsibility to ensure that this procedure will work with his specic type of equipment.
MB156 User Manual ◄ 25 HEA T LOAD TEST With the installation kit properly installed and adjusted per the above procedure, conduct the heat load test as follows. 1. Connect the ow meter between the tool inlet and outlet hoses. 2. With the carrier set in the attachment mode, re- strict the ow meter until a pressure of 1000 psi is achieved.
26 ► MB156 User Manual T ool: The hydraulic attachment that the auxiliary circuit is intended to power . These may include hydraulic breakers, compactors, shears, etc. Operating Pressure: That pressure at which the tool will naturally operate without inuence of out - side pressure relief mechanisms.
MB156 User Manual ◄ 27 DIMENSIONS AND WEIGHTS Excavator Weight Class Skidsteer ..................................................................................................................... 1500–3000 lbs/681–1362 kg Mini Excavator .......
28 ► MB156 User Manual Description ................................................................................................................................................... Part No. T ool Bits T ool Bit, Asphalt Cutter , Cross-cut ........
MB156 User Manual ◄ 29 MB156 POWER CELL ILLUSTRA TION.
30 ► MB156 User Manual ITEM P ART NO. QTY DESCRIPTION 1 350237 1 SAE PLUG, -8 2 01605 4 O-RING 3 2301 1 4 SPIROL PIN 4 372003 1 GREASE FITTING 5 26068 1 GREASE STICKER 6 26031 1 LOWER BUSHING 7 2602.
MB156 User Manual ◄ 31 1 3 4 5 6 7 8 10 11 14 15 16 17 18 16 13 17 ITEM P/N OTY DESCRIPTION 1 23573 4 LOCKPLA TE 3 2771 1 1 PRESSURE SPEC STICKER - 350 PSI 4 27964 1 SIDE PLA TE WELDMENT LH 5 27965 .
Stanley Hydraulic T ools 3810 SE Naef Road Milwaukie, Oregon 97267 503-659-5660 / Fax 503-652-1780 www .stanleyhydraulics.com.
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If you already are a holder of Stanley Black & Decker MB156, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Stanley Black & Decker MB156.
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