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 authorized and certified dealer, call Stanley Hydraulic Tools at the number listed on the back of this manual and ask for a Customer Service Representative.
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 ► MB656 User Manual...
The decals must be replaced if illegible. Replacement decals can be obtained from your authorized Stanley Wear Eye Distributor. Protection • When operating the breaker you must use ear protection, eye protection, and breathing protection. MB656 User Manual ◄ 5...
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KNOW THE WORK CONDITIONS • The operator must know any prohibited uses or work areas for the machine. For example, excessive slopes and poor or dangerous terrain conditions must be avoided. 6 ► MB656 User Manual...
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Do not modify the breaker in any manner. operating the carrier and the breaker. • Use only tool bits supplied by Stanley Hydraulic Tools. • When operating the breaker you must use ear Use of tool bits supplied by another manufacturer protection, eye protection and breathing protection.
Guaranteed Sound Power Level Sticker 74735 CE Specification Plate 74705 Stanley Logo Sticker 47351 Composite Warning Sticker NITROGEN ONLY 350 PSI 27711 Pressure Spec Sticker—350 psi PN:73006 73006 MB656 Decal 66764 Made in USA Sticker 8 ► MB656 User Manual...
3. Check the hydraulic filter. Replace the filter if dirty or deteriorated. 4. Have your Stanley dealer test the circuit to which the breaker will be connected to make sure that the circuit is supplying the specified flow and pressure rating for the breaker.
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Always wear eye protection when installing or removing the tool retaining pin. LOW TEMPERATURE WARM-UP PROCEDURE 1. After starting the carrier, warm-up the hydraulic system at engine idle until hydraulic lines are warm to the touch. 10 ► MB656 User Manual...
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15–20 seconds. If breakout does not occur within this approximately 45° and the breaker is almost vertical. time, move the breaker to another position. The tracks of the excavator should be in line with the boom and the breaker. MB656 User Manual ◄ 11...
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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. 12 ► MB656 User Manual...
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Underwater usage of the breaker will cause Underwater usage of the breaker will cause damage internal damage to the breaker. Consult Stanley for to internal components. Even if the breaker is partially modifications and specific warranty coverage if you submerged, water is introduced to an area between have an underwater requirement.
If symptoms of poor performance develop, the following users may experience. If a situation occurs that is chart can be used as a guide to correct the problem. not covered, call your Stanley Customer Service When diagnosing faults in operation of the tool, always representative for assistance.
Do not just replace the tool bit or the lower bushing individually as this will result in premature wear of the replaced component. It is recommended to replace ALL worn components. 16 ► MB656 User Manual...
When disengaging the tester a “POP” of nitrogen is Accumulator Tester (28257), which are used with normal. other Stanley model breakers. When charging the 6. Connect the charge hose assembly to the charging accumulator, make sure the tools and charge valve is valve on the tester.
The parts list for the Flow Control Kit is shown below. Figure 13. Flow Control Kit ITEM PART DESCRIPTION 34621 FLOW CONTROL BLOCK 34839 WASHER 371516 NYLOCK NUT 02773 ADAPTER 58653 ORIFICE LOCATED UNDER FITTING DESIGNATED AS "S" 58652 CAPSCREW 58654 HOSE 58655 HOSE 18 ► MB656 User Manual...
RETAINER PIN (ITEM 43) .75 in. / 19 mm .67 in. / 17 mm Outside Diameter Outside Diameter PISTON Wear Limit 2.595 in. / 66 mm Depth 2.905 in. / 73.8 mm New Part FIGURE 17. PISTON MB656 User Manual ◄ 19...
These areas create a damage from occurring again. stress concentration metal-to-metal contact point, thus All Stanley tool bits are machined and hardened for weakening the tool. maximum performance. Care must be taken to maintain...
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These are some examples of failure caused by temper changes occurring on the job. Figure 22. Extreme Down Pressure Breakage MB656 User Manual ◄ 21...
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Discoloration, like “rainbow” Figure 26. Diagram of Tool Bit Failures effects or blue bands, is the result of extreme heat. 22 ► MB656 User Manual...
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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 breaker, it is important to select the proper working steel.
This pressure must not exceed 200 psi/13.5 bar. Excessive back pressure will slow the attachments operation and lead to premature seal failures and over heating. Record the back-pressure psi. 24 ► MB656 User Manual...
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The normal operating temperature range of this circuit will be the typical ambient temperature range for the geographical area plus the heat rise calculated above. Ensure that the operating temperature range is lower than 180° for optimum operation of the attachment. MB656 User Manual ◄ 25...
V60/V65/V100 Valves: A priority flow control valve manufactured by Stanley Hydraulic Tools. Allows for optimum operation 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.
Use Loctite™ to prevent plug from falling out. If plug falls out, the housing will fill with grease. The power cell must be removed to repair. 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. MB656 User Manual ◄ 27...
ROD SEAL* 27649 MODIFIED QUAD RING* 28128 TIE ROD 28129 LOCK PLATE 28130 TIE ROD NUT 28222 CAP, DIP MOLDED VINYL 24516 TIE ROD NUT 34371 PISTON 350818 O-RING* 60711 LOWER BODY ASSY (INCL 38–48) 30 ► MB656 User Manual...