Page 2 - All
2 ► MB656 User Manual DECLARATION OF CONFORMITY DECLARATION OF CONFORMITY ÜBEREINSTIMMUNGS-ERKLARUNG DECLARATION DE CONFORMITE CEE DECLARACION DE CONFORMIDAD DICHIARAZIONE DI CONFORMITA Hydraulic Tools ______________________________________________________________________ I, the undersigned: Ich, de...
Page 3 - TABLE OF CONTENTS; WARNING; SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR; IMPORTANT
MB656 User Manual ◄ 3 TABLE OF CONTENTS SERVICING THE STANLEY HYDRAULIC BREAKER. This manual contains safety, operation, and routine mainte- nance instructions. Stanley Hydraulic Tools recommends that servicing of hydraulic tools, other than routine main- tenance, must be performed by an authorized ...
Page 4 - SAFETY SYMBOLS; LOCAL SAFETY REGULATIONS; DANGER; CAUTION; CAUTION; NOTICE
4 ► MB656 User Manual SAFETY SYMBOLS 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 mainte- nance personnel. Safet...
Page 5 - SAFETY PRECAUTIONS; WARN I N G; Do not operate the breaker unless the
MB656 User Manual ◄ 5 SAFETY PRECAUTIONS WARN I N G Do not operate the breaker unless the following safety instructions have been thoroughly read and understood! Read this manual before installing, operating or maintaining this equipment. • A flying projectile from the breaker, breaker tool, rock or...
Page 6 - BE THOROUGHLY TRAINED BEFORE
6 ► MB656 User Manual SAFETY PRECAUTIONS Tool 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 operatin...
Page 8 - NITROGEN ONLY
8 ► MB656 User Manual TOOL STICKERS & TAGS 73006 MB656 Decal 72074 Grease Sticker NITROGEN ONLY 350 PSI 27711 Pressure Spec Sticker—350 psi Stanley Hydraulic ToolsDivision of The Stanley Works3810 SE Naef RoadMilwaukie, OR 97267 USA MODEL NO: SERIAL NO: OPERATING WEIGHT: INPUT FLOW: CIRCUIT RELI...
Page 9 - OPERATION; PRE-INSTALLATION INSTRUCTIONS; PRE-OPERATION PROCEDURES
MB656 User Manual ◄ 9 OPERATION PRE-INSTALLATION INSTRUCTIONS SKIDSTEER, BACKHOE OR EXCAVATOR SIZE Check the Specifications section of this manual to de- termine correct carrier size, hydraulic flow and pressure requirements. WARNING If hydraulic pressure, hydraulic back-pressure, hydraulic flow or ...
Page 10 - OPERATING A BREAKER
10 ► MB656 User Manual OPERATION 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. LONG TERM STORAGE 1. Remove ...
Page 11 - POSITIONING THE BREAKER TOOL ON
MB656 User Manual ◄ 11 OPERATION 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. Ap...
Page 12 - MAINTAIN DOWN PRESSURE
12 ► MB656 User Manual OPERATION On flat 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 ...
Page 13 - BLANK FIRING
MB656 User Manual ◄ 13 OPERATION 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.Rebar reinforced concrete intro...
Page 14 - UNDERWATER USAGE; GREASE THE BIT
14 ► MB656 User Manual OPERATION While “Blank Firing” cannot always be avoided, it can be kept to a minimum by avoiding the above conditions as much as possible. UNDERWATER USAGE Underwater usage of the breaker will cause damage to internal components. Even if the breaker is partially submerged, wat...
Page 15 - TROUBLESHOOTING
MB656 User Manual ◄ 15 TROUBLESHOOTING 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 represen- tative for assistance. PROBLEM CAUSE SOLUTION Breaker will not fire. Low hydraulic oil level. F...
Page 16 - MAINTENANCE; DAILY MAINTENANCE CHECKS; TOOL STOP AND LOWER BUSHING
16 ► MB656 User Manual MAINTENANCE DAILY MAINTENANCE CHECKS • Check for loose or missing fasteners. Tighten or re- place as needed. • Inspect tool retaining pins and pockets for wear.• Check for hydraulic leaks at all fittings and hoses. Replace any defective hoses. • Apply grease to the grease fitt...
Page 17 - CHARGING THE ACCUMULATOR
MB656 User Manual ◄ 17 CHARGING THE ACCUMULATOR The tools required to charge the breaker accumulator are the Charge Hose assembly (505232) and the Ac- cumulator Tester (28257), which are used with other Stanley model breakers. When charging the accumula- tor, make sure the tools and charge valve is ...
Page 18 - FLOW CONTROL KIT INSTRUCTIONS; HOSE ROUTINGS
18 ► MB656 User Manual FLOW CONTROL KIT INSTRUCTIONS The Flow Control Kit is an option for Skid Steer Models. The Flow Control Kit regulates the flow from the skid steer hydraulics to the breaker to prevent over-speeding of the breaker. Follow the instructions below to install the kit.• Install the ...
Page 19 - WEAR TOLERANCES; PISTON
MB656 User Manual ◄ 19 WEAR TOLERANCES NEW REJECT LIMIT LOWER BUSHING (ITEM 48) 3.015 in. / 76.6 mm 3.130 in. / 79.5 mm TOOL STOP (ITEM 42) A) 3.015 in. / 76.6 mm Inside Diameter A) 3.130 in. / 79.5 mm Inside Diameter B) .60 in. / 15.2 mm Depth B) .48 in. / 12 mm Depth RETAINER PIN (ITEM 20) 2.118 i...
Page 20 - PROPER USE & CARE OF TOOL BITS; TOOL FAILURE NOT COVERED; BLANK FIRING OR FREE RUNNING
20 ► MB656 User Manual PROPER USE & CARE OF TOOL BITS 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). METAL-TO-METAL CONTACT Extreme caution should be used ...
Page 21 - PRYING
MB656 User Manual ◄ 21 PROPER USE & CARE OF TOOL BITS 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 PRYING This is the m...
Page 22 - TOOL FAILURE COVERED UNDER; INTERNAL MATERIAL FLAW
22 ► MB656 User Manual PROPER USE & CARE OF TOOL BITS TOOL FAILURE COVERED UNDER WARRANTY INTERNAL MATERIAL FLAW This failure occurs when a foreign material is rolled into the steel during the manufacturing process, causing an imperfection in the internal material flaw grain. The re- sult is an ...
Page 23 - MOIL
MB656 User Manual ◄ 23 PROPER USE & CARE OF TOOL BITS 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:To obtain the maximum production from the breake...
Page 24 - FLOW TEST PROCEDURES; TEST PROCEDURE
24 ► MB656 User Manual FLOW TEST PROCEDURES 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...
Page 25 - HEAT LOAD TEST
FLOW TEST PROCEDURES MB656 User Manual ◄ 25 HEAT LOAD TEST With the installation kit properly installed and adjusted per the above procedure, conduct the heat load test as follows.1. Connect the flow meter between the tool inlet and outlet hoses. 2. With the carrier set in the attachment mode, re- s...
Page 26 - DEFINITIONS
26 ► MB656 User Manual DEFINITIONS Tool: 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 influence of out- side pressure relief ...
Page 27 - SPECIFICATIONS; DIMENSIONS AND WEIGHTS; NOTES FOR ITEM 30 ASSEMBLY:
MB656 User Manual ◄ 27 SPECIFICATIONS DIMENSIONS AND WEIGHTS Weight w/Tool Bit, & Mounting Bracket .................................................................................................872 lbs/396 kg Length w/Tool Bit & Mounting Bracket ...............................................
Page 28 - ACCESSORIES
28 ► MB656 User Manual ACCESSORIES Description Part No. Tool Bits Conical............................................................................................................................................................... 28123 Blunt ..........................................................
Page 29 - MB656 POWER CELL ILLUSTRATION
MB656 User Manual ◄ 29 MB656 POWER CELL ILLUSTRATION
Page 30 - HOUSING PARTS ILLUSTRATION
Page 32 - MB656 MOUNTING BRACKETS
32 ► MB656 User Manual MB656 MOUNTING BRACKETS Wain Roy Mounting BracketP/N 39056 (MB65609) 14" Pin Centers Mounting BracketP/N 30913 (MB65607) XChange AdapterP/N 49309 (MB656XC) Skidsteer Mounting BracketP/N 56535 ElbowP/N 05967 CouplerP/N 40092 40093 AdapterP/N 02773
