BR67 HYDRAULIC BREAKER - Pdfstream.manualsonline.com
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1. suonoeuuo esoH lt lt lt G 1 O JYNSSAIYd 2 x O o gt PRESSURE PRESSURE S L 0052 794 06 8 001 92 09 6 QL EL g l 0052 eunsseJg vIe 97 0052 6l vIe 8 dn 92 o dn 09 6 9L EL GLI 0052 inss iq 9 8 9 LISP IVS Aq jas se suoneoyioeds m 0052 une i p x JO 5 sou oi neJp U 09 0 002 001 6r9 EL OL SLL 0052 ainssald 6L vIe Bunes AJLA T 005 Winey 6L m mm ES EN ET IXBW jenbe eunsseJd m 0052 eunsseig 9i gis pojeJ e sea JSNW oineJp u SLL 0052 9 8 9 0 dn 090 dn ese e o 18410 Aue 10 pesn eq jou pjnous SIL 0052 6l vic pue2. SIDE 1 SIDE 2 Shown smaller than actual size THE TAG SHOWN BELOW IS ATTACHED TO CONDUCTIVE HOSE DANGER DANGER DO NOT USE THIS HYDRAULIC HOSE ON OR NEAR ELECTRIC LINES THIS HOSE IS 5 CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAMAGE NOT LABELED OR CERTIFIED AS NON CONDUCTIVE USING THIS HOSE ON OR NEAR COUPLINGS IF ANY OF THESE CONDITIONS EXIST REPLACE THE HOSE IMMEDIATELY ELECTRICAL LINES MAY RESULT IN DEATH OR SERIOUS INJURY NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROPERLY 6 AFTER EACH USE STORE IN A CLEAN DRY AREA TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND ELEC TRIC LINES NOT EXCEED HOSE WORKING PRESSURE OR ABUSE HOSE IMPROPER USE OR HANDLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE KEEP HOSE AS FAR AWAY AS POSSIBLE FROM BODY AND DO NOT PERMIT DIRECT CONTACT DURING USE CONTACT AT THE BURST CAN CAUSE BODILY INJECTION AND SEVERE PERSONAL INJURY HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING CUTTING OR CONTACT WITH HIGH TEMPERATURE SURFACES DO NOT USE IF KINKED DO NOT USE HOSE TO PULL OR LIFT TOOLS POWER UNITS ETC Ce OTHER SIDE FERE LLL Lu d SEE OTHER SIDE Www ii SIDE 1 SIDE 2 Shown smaller than actual size 8 BR67 User Manual STAN LEY Ovl SIHL SAOWSY LON OG lt 9 X u gt o z ul x z
3. 02333 Chisel Pomt 14 16 bong UG iini teo teo do Aiea nie 03990 Chisel 14 0 Long UG eger chases 02334 Clay Spade 5 1 2Z in Blade U III reed da cetaceans LEO Ede oen Adae 02331 Asphalt Wedge A 08106 Asphalt Cutter 5 in WIde 02332 Ground Rod 110 sanset tekst ed 04176 1 1 4 in Hex Shank Moll Point 141n Fonds cm 02336 SE segue MS ku Ra ees 02337 5 5 1 2 17 09262 Asphalt Cutter Sim Wide 02335 Ground Rod Driver Tin RO a e areae aaa ae ani pi Aaea E Eaa E r EEr 04367 Heavy Duty Chisel 1 In e 02338 Heavy Duty 18 iN u oses ainue ea ee eee E cde eevee aa Ea 04404 EVADERE bet das kran aE AEE dad 04405 Detachable Shank Requires 17783 aan sekkene aa EIE 17782 Tamping Pad 6 in Requires 17782 mter tereti ne eun a ui the kue sanke 17783 T
4. LLL qasasqa 250 Psi 17 bar Flush Face Male and Female Connect Size amp 3 8 in Male Pipe Adapter WG IU E ETE T Handle 67 Ibs 30 kg Anti Vibration Handle 75 Ibs 34 kg Overall LOM QUA kuqa aR T Handle 27 69 cm Anti Vibration Handle 29 74 Overall Widthrat Handles bien terne akuy ERAN ER T Handle 16 in 41 cm Anti Vibration Handle 18 in 46 cm Max Fluid Temperature uuu uu tte rettet e A x Ree t rie aoa saka RUN E ras 140 F 60 C System Typene EE Open or Closed Center Port SIZ vand eee medan SAE 8 O ring HTMA EHTMA Category mads creed beer ee aa saway ab amasaban aG aby eec rre e Type 2 Nominal Pressure ai u L u 1500 psi 103 bar PlOSSUNG 2500 psi 172 bar Max Relief Pressure 2150 psi 148 bar BR67 SOUND AND VIBRATION DECLARATION TEST CONDUCTED ON BR6717801 OPERATED AT STANDARD 8 GPM INPUT MEASURED A WEIGHTED SOUND POWER LEVEL LWA REF 1PW IN DECIBELS 103 DBA UNCERTAINTY KWA INDECIBELS iis ttt tenta tai enitn rne t en deno ie qa kayaq 1 7 D
5. 22 UNDERWATER TOOLS DEPTH GUIDELINE name tette A 24 To fill out Product Warranty Validation form and for information on your warranty visit Stanleyhydraulics com and select the Company tab Warranty NOTE The warranty Validation record must be submitted to validate the warranty SERVICING This manual contains safety operation and routine maintenance instructions Stanley Hydraulic Tools recommends that servicing of hydraulic tools other than routine maintenance must be performed by an authorized and certified dealer Please read the following warning SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR SERVICE OF THIS TOOL 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 STAN LEY BR67 User Manual lt 3 Safety symbols signal words as shown below used to emphasize all operator maintenance and repair ac tions which if not strictly followed could result in a life threatening situation bodily injury or damage to equipment This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death Thi
6. 20502 20502 TRIGGER 58526 TRIGGER USED ON TOOLS WITH AN A OR AA AT THE END OF THE MODEL NUMBER TRIGGER HANDLE TRIGGER HANDLE USED ON TOOLS WITH AN A OR AT THE END OF THE MODEL NUMBER CIRCUIT TYPE D STICKER CE ONLY INCL ITEM 28 z Q o 13 29045 29045 58529 26599 24964 16607 04070 24948 31917 07493 20499 21089 20500 20541 20498 02494 11207 04070 20499 23 24 25 26 27 20500 20541 20498 02494 11207 1605 1652 01605 01652 30 31 2 33 34 35 36 12832 06891 20510 26452 04795 16732 26448 12832 06891 20510 26452 04795 16732 26448 3 5 7 E 19 16 21 23 24 25 u 30 32 33 34 35 EMI STANLEY WITH TRIGGER M ET ITEM TRIGGER NO LOCK LOCK QTY DESCRIPTION s osora oss 1 MALE COUPLER BODY 20 oos oos 1 rowsueeveTuee ooo washer oos 1 wor oon 1 47 oss 1 auromanicvave 50 26596 26596 ACCUMULATOR VALVE BLOCK 51 26574 26574 1 ACCUMULATOR DIAPHRAGM 26449 26449 1 ACCUMULATOR PLUG 53 04081 04081 1 HEX BUSHING 1 1 8 X 6 IN FOR 04598 FOOT 04597 04597 HEX BUSHING 1 1 4 X 6 IN FOR 04598 FOOT 04067 04067 PUSH 07890 07890 1 ROLLPIN 04066 04066 AUTOMATIC VALVE BODY 01269 0
7. Damage to the hydraulic system or breaker can result from use with fluid that is too viscous or thick BR67 User Manual lt 11 In addition to the Safety Precautions found this manual observe the following for equipment protection and care Make sure all couplers are wiped clean before con nection The hydraulic circuit control valve must be in the OFF position when coupling or uncoupling hydrau lic tools Failure to do so may result in damage to the quick couplers and cause overheating of the hy draulic system Always store the tool in a clean dry space safe from damage or pilferage Make sure the circuit PRESSURE hose with male quick disconnect is connected to the IN port The circuit RETURN hose with female quick disconnect is connected to the opposite port Do not reverse cir cuit flow This can cause damage to internal seals Always replace hoses couplings and other parts with replacement parts recommended by Stanley Hydraulic Tools Supply hoses must have a mini mum working pressure rating of 2500 psi 172 bar Do not exceed the rated flow and pressure See Specifications in this manual for correct flow rate and pressure rating Rapid failure of the internal seals may result 12 gt BR67 User Manual Always keep critical tool markings such as warning stickers and tags legible Do not force a small breaker to do the job of a large breaker Keep tool bit sharp for maximum breaker p
8. OF CONFORMITY u 2 SAFETY SY MBOUS e qa 4 SAFETY PRECAUTIONS 2 6 TOOL STICKERS amp TAGS endda 7 HOSE TM PES TEM 8 HOSE RECOMMENDATIONS ses daten bee piratene extagen 9 FIGURE 1 9 REQUIREMENTS uu tt needed adr xx da eb rd Ra 10 OPERATION LETT 11 TOOL PROTECTION amp GARE uuu aun e entrer tbc ned ltd AARE dd 12 TROUBLESHOOTING ZQ MES 13 CHARGING THE ACCUMULAT OR reet apa dekk 14 FIGURE 2 CHARGING THE ACCUMULATOR ANTI VIBRATION HANDLES 15 FIGURE 3 CHARGING THE ACCUMULATOR T HANDLES cece eee 15 SPECIFICATIONS TUE 16 ACCESSORIES nudena ia u sss 17 BR67 ANTI VIBRATION HANDLE PARTS 05 18 BR67 ANTI VIBRATION HANDLE PARTS LIST 19 BR67 STANDARD HANDLE PARTS 05 21 BRO STD HANDLE PARTS
9. joo s oo neip 06 0 00 001 076 FOLS H lue S uo peseq Ajuo joo g l 0052 ainssald QL 8 6 EN oi neJp u JO pesn SI yeyo siu L GLL 0052 ujog QL 8 6 06 6 001 18 0 6 01 4 4 97 0052 ujog I e GL 0j dn OG 0 dn 076 SOL G eee 0 5 A e ensseJd 97 0052 ujog I e 0 6 001 92 62 91 9 ainssaid uunjoJ daay suon SLL 0052 ujog OL 9 S 0 dn gc 0 dn 62 91 9 eseu wdi Jed sJey SYOLONGNOD T1VOIN123T3 YVAN ISN LON OQ 10 pesg 9JIM SAHINPUOJ sed uo peseq SSL 0522 OL 9 go dn OL 0 dn ve SL 6 SNOMEA JO 1 sou syonJj 3exong NNN 104 plesg Jaqi4 pepuaeululo29J SMOUS ybu y O yeyo Sul avg ISd uinjoy sseid WIN HONI SYILIN 1334 suonepueululo29M eunssajg BupuoM aSN episu sy 6ua7 esoH PNI 0 001 BR67 User Manual 4 9 STANLEY REQUIREMENTS HYDRAULIC SYSTEM REQUIREMENTS Flow Range Nominal Operating Pressure at the power supply outlet System relief valve setting at the power supply outlet Maximum back pressure at tool end of the return hose Measured at a
10. move the charging assembly chuck from the accu mulator tester or tool charging valve 5 f the accumulator tester has been used be sure to turn the gauge end fully counterclockwise before re moving the tester from the charging valve of the tool Install the valve cap UNDERWATER MODEL PREVENTATIVE MAINTENANCE After each use the movable portions of the tool that were exposed to water should be flushed with a water displacing oil such as WD40 Remove any remaining water and debris as follows 1 Turn the tool upside down without the tool bit and spray oil through the drive hex and side holes in the breaker foot assembly to displace any remaining water in the lower piston cavity Spray oil into the On Off valve trigger slot area Dip or spray the entire tool Cycle the tool hydraulically several times before storing away STANLEY Liquid Filled Gauge w Snub Valve Charge Fitting Nitrogen Tank P Not included in Kit Eee Charging Valve Er 31254 ACCUMULAT Includes Liquid Filleq Gauge w Snub Valve MO Hose Charge Fitting 402835 Tester Box not pictured ia E 02835 TESTER Charging the Accumulator Anti Vibration Handles Charging the Accumulator T Handles STAN LEY BR67 User Manual 4 15 israel 1500 2000 1 104 140 FW ua uu i EIL IU UTE 7 9 gpm 26 34 Nominal OW MY 8 30 Ipm Maximum Back 85
11. 6 59 1 1 62 COMPOSITE STICKER CE ONLY o 3 4 5 6 7 8 9 4 5 6 Z 8 9 4 6 I N STANLEY WITHOUT WITH WITHOUT WITH ITEM TRIGGER TRIGGER ITEM TRIGGER TRIGGER NO LOCK QTY LOCK LOCK QTY 73 66654 66654 1 GUARANTEED SOUND 07525 07525 1 FOOT ASSY EZ 1 1 8 x 6 HEX POWER LEVEL STICKER 105 USA amp CE EXCEPT UK CE ONLY MODELS ONLY 74 04050 04050 VALVE CAP ASSY 75 04052 04052 ii INCL ITEMS 57 58 60 63 64 EN EE ER 07524 76 7 LN 7 iu EN 66 70 81 83 85 87 FOOT ASSY EZ 1 1 4 x 6 HEX USA amp CE EXCEPT UK 79 04061 MODELS ONLY INCL ITEMS 57 58 60 63 64 66 70 81 83 85 87 ACCUMULATOR CHAMBER 81 07517 07517 HEX BUSHING 1 1 8 x 6 IN FOR 11614 EZ FOOT 88 07518 07518 1 HEX BUSHING 1 1 4 x 6 IN FOR 11614 EZ FOOT 11230 1 HEX BUSHING 1 1 4 x 6 1 4 IN FOR 12294 EZ FOOT FOOT ASSY EZ 1 1 4 x 6 1 4 HEX UK MODELS ONLY INCL ITEMS 53 57 58 60 61 63 64 amp 66 70 81 83 85 87 82 07514 07514 SPRING 08115 08115 COLLAR SUPPORT 1 1 8 IN 93 FOR 11614 EZ FOOT 08116 08116 1 COLLAR SUPPORT 1 1 4 0007 FOR 11614 EZ FOOT 3025 73025 11234 1 COLLAR SUPPORT 1 1 4 IN FOR 12294 EZ FOOT 0100 1143 11431 1143 N UK MODELS ONLY BUTTON Fan NO ITEM 4596 04596 HANDLE LOCK PIN 07522 07522 R
12. DANGER DANGER 1 FAILURE TO USE HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE DO NOT EXCEED HOSE WORKING PRESSURE OR ABUSE HOSE IMPROPER USE WHEN USING HYDRAULIC TOOLS ON OR NEAR ELECTRIC LINES MAY RESULT IN OR HANDLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE DEATH OR SERIOUS INJURY KEEP HOSE AS FAR AWAY AS POSSIBLE FROM BODY AND DO NOT PERMIT DIRECT CONTACT DURING USE CONTACT AT THE BURST CAN CAUSE BODILY INJECTION AND SEVERE PERSONAL INJURY ELECTRIC LINES HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING ABRASION CUTTING OR CONTACT WITH HIGH TEMPERATURE SURFACES DO NOT USE IF KINKED DO NOT BEFORE USING HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE USE HOSE TO PULL OR LIFT TOOLS POWER UNITS ETC ON OR NEAR ELECTRIC LINES WIPE THE ENTIRE LENGTH OF THE HOSE AND FIT CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAM TING WITH A CLEAN DRY ABSORBENT CLOTH TO REMOVE DIRT AND MOISTURE AND TEST HOSE FOR MAXIMUM ALLOWABLE CURRENT LEAKAGE IN ACCORDANCE WITH COUPLINGS ANT OF THESE CONDITIONS ENST REPLACE THE HOSE IMMEDIATELY NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE SAFETY DEPARTMENT INSTRUCTIONS AFTER EACH USE STORE IN A CLEAN DRY AREA FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROP ERLY TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND DO NOT REMOVE THIS TAG SIHL JAOWSY LON OG SEE OTHER SIDE SEE OTHER SIDE
13. injury cancer or death Protect yourself and those around you Research and understand the materials you are cutting Follow correct safety procedures and comply with all applicable national state or provisional health and safety regulations relating to them including if appropriate arranging for the safe disposal of the materials by a qualified person BR67 User Manual lt 5 Warning Hydraulic fluid under pressure could cause skin injection injury If you are injured by hydraulic fluid get medical attention immediately Keep all body parts away from the working tool When handling material or the tool bit wear your PPE Personal Protection Equipment Be observant of the hydraulic hoses lying about the work area they can be a tripping hazard Always de energize the hydraulic system when changing a tool bit Take caution when changing a tool bit tool bits can get very hot 6 BR67 User Manual Never use the tool in an explosive atmosphere sparks from the breaking process could ignite ex plosive gas Use proper lifting techniques when handling the tool get help from a co worker and do not over reach Use proper protection from falling or flying debris keep bystanders at a safe distance Do not exceed the rated flow and pressure See Specifications in this manual for correct flow rate and pressure rating Rapid failure of the internal seals may result STANLEY Please refer to the Parts Illustration fo
14. max fluid viscosity of at min operating temperature Temperature Sufficient heat rejection capacity to limit max fluid temperature to at max expected ambient temperature Min cooling capacity at a temperature difference of between ambient and fluid temps NOTE discomfort at the tool Filter Min full flow filtration Sized for flow of at least For cold temp startup and max dirt holding capacity Hydraulic fluid Petroleum based premium grade anti wear non conductive Viscosity at min and max operating temps NOTE over a wide range of operating temperatures SSU Saybolt Seconds Universal TYPE 4 6 gpm 15 23 1500 psi 103 bar 2100 2250 psi 145 155 bar 250 psi 17 bar 400 ssu 82 centistokes 140 F 60 C 3 hp 2 24 kW 40 F 22 C 25 microns 30 gpm 114 lpm 100 400 ssu TOOL TYPE TYPE Il TYPE RR 7 9 gpm 9 10 5 26 34 34 40 1500 psi 1500 psi 103 bar 103 bar 2100 2250 psi 145 155 bar 250 psi 17 bar 400 ssu 82 centistokes 140 F 60 C 5 hp 3 73 kW 40 F 22 C 25 microns 30 gpm 114 lpm 100 400 ssu 20 82 centistokes 2200 2300 psi 152 159 bar 250 psi 17 bar 400 ssu 82 centistokes 140 F 60 C 6 hp 5 22 kW 40 F 22 C 25 microns 30 gpm 114 lpm 100 400 ssu CLASSIFICATION AAA A EHTMA HYDRAULIC SYSTEM REQUIREMEN
15. 00 The methods are broken into diver operated or remote operated vehicle ROV ROV s can reach lower depths and with an on board hydraulic power source that is depth compensated can operate hydraulic tools at depths of thousands of Recommended Hose Diameters feet ROV operation is still limited to the tool for Depth ft 8GPM 12GPM example a percussive tool has the same depth 100 5 58 limitation whether or diver operated eT ere Tie 1 24 gt BR67 User Manual STAN LEY STAN LEY BR67 User Manual lt 25 STANLEY Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie Oregon 97267 5698 USA 503 659 5660 Fax 503 652 1780 www stanleyhydraulics com
16. 1269 RUBBER SLEEVE 04985 04985 SPRING WASHER Jr rae 6 wes oem mor O 61 04598 04598 FOR 04081 OR 04597 HEX BUSHING INCL 63 amp 64 05466 05466 1 FOOTASSY 1 1 8 X 6 IN HEX USA amp CE EXCEPT UK MODELS ONLY INCL ITEMS 53 57 58 60 61 63 64 66 70 05467 05467 FOOT ASSY 1 1 4 6 IN HEX USA amp CE EXCEPT UK MODELS ONLY INCL ITEMS 53 57 58 60 61 63 64 66 70 wor osora ser eusen BR67 User Manual 4 19 BR67 ANTI VIBRATION HANDLE PARTS LIST CONTINUED WITHOUT TRIGGER TRIGGER ITEM NO LOCK LOCK QTY DESCRIPTION oos oars 1 s www oer v m oe 1 stoen s ova 1 see Ee quem wen SS m ez 1 cesmoem ce on 28409 28409 1 COMPOSITE STICKER CE ONLY k 66654 66654 GUARANTEED SOUND POWER LEVEL STICKER 105 CE ONLY Es wn m m som m Ro from ms 11230 BUSHING 1 1 4 X 6 1 4 IN FOR 12294 EZ FOOT 11234 COLLAR SUPPORT 1 1 8 IN FOR 12294 EZ FOOT as 1 _ RETNNGRING WITH FOOT EZ FOR 11230 BUSHING UK MODELS ONLY INCL ITEMS 64 87 20 gt BR67 User Manual ITEM NO WITHOUT TRIGGER LOCK WITH TRIGGER LOCK i m frem e e I
17. BA GUARANTEED SOUND POWER LEVE aicsin o a a 105 DBA MEASURED A WEIGHTED SOUND PRESSURE LEVEL LPA REF 20 MPA AT OPERATOR S POSITION IN DECIBELS I 99 DBA VALUES DETERMINED ACCORDING NOISE TEST CODE GIVEN IN ISO 15744 USING THE BASIC STANDARD 1503744 TEST CONDUCTED BY INDEPENDENT NOTIFIED BODY TO COMPLY WITH 2000 14 EC 2005 REQUIREMENTS NOTE THE SUM OF A MEASURED NOISE EMISSION VALUE AND ITS ASSO CIATED UNCERTAINTY REPRESENTS AN UPPER BOUNDARY OF THE RANGE OF VALUES WHICH IS LIKELY TO OCCUR IN MEASUREMENTS BR67 ANTI VIB MODELS DECLARED VIBRATION EMISSION VALUE IN ACCORDANCE WITH ISO 28927 10 2011 EN 12096 MEASURED VIBRATION EMISSION VALUE 3 5 12 7 M SEC UNCERTAINTY EU 1 9 M SEC MEASURED VIBRATION EMISSION VALUE WITH UNCERTAINTY 3 14 6 M SEC MEASURED VIBRATION EMISSION VALUE 2 8 11 M SEC UNCERTAINTY K dE 2 3 M SEC MEASURED VIBRATION EMISSION VALUE WITH UNCERTAINTY 2 13 3 M SEC BR67 T HANDLE MODELS MEASURED VIBRATION EMISSION VALUE 3 5 18 3 M SEC UNCERTAINTY que 0 7 M SEC MEASURED VIBRATION EMISSION VALUE WITH UNCERTAINTY 19 0 M SEC 16 BR67 User Manual STAN LEY ACCESSORIES 1 1 8 IN HEX x 6 IN SHANK Moll Point 41 4 im Long UC u
18. BR67 HYDRAULIC BREAKER USER MANUAL Safety Operation and Maintenance 2014 Stanley Black amp Decker Inc New Britain CT 06053 U S A 09278 11 2014 Ver 17 DECLARATION CONFORMITY STA N L EY UBEREINSTIMMUNGS ERKLARUNG DECLARATION DE CONFORMITE CEE Hydraulic Tools DECLARACION DE CONFORMIDAD DICHIARAZIONE DI CONFORMITA 1 the undersigned Weisbeck Andy Ich der Unterzeichnende Je soussign El abajo firmante lo sottoscritto Surname and First names Familiennname und Vornamen Nom et pr nom Nombre y apellido Cognome e nome hereby declare that the equipment specified hereunder bestatige hiermit erklaren Produkt genannten Werk oder Ger t d clare que l quipement vis ci dessous Por la presente declaro que el equipo se especifica a continuaci n Dichiaro che le apparecchiature specificate di seguito 1 Category Hydraulic Hand Held Concrete Breaker Kategorie Cat gorie Categoria Categoria 2 Make Marke Marque Marca Marca Stanley 3 BR6713801A BR6717801A BR6717801AA BR67320 4 Serial number of equipment Seriennummer des Ger ts BR6713801A All Num ro de s rie de l quipement BR6717801A All Numero de serie del equipo Matricola dell attrezzatura BR6717801AA All BR6717802AA BR67320 Serial 030212033 and above 5 31 kg Has been manufactu
19. EE Sara z 2 NTN gt 2 24 2 2 2 N N 3 5 6 7 28 3 0 3 5 6 N 2 3 3 3 4 3 3 I 04062 04062 38 03971 03971 03971 03971 1 ere 2 2 22 gt BR67 User Manual WITHOUT TRIGGER TRIGGER LOCK LOCK QTY DESCRIPTION 04064 04064 1 WASHER 04063 04063 1 CUP SEAL 04054 04054 2 O RING 04069 04069 FLOW SLEEVE 04071 04071 SIDE ROD 04065 04065 AUTOMATIC VALVE 04571 04571 2 PUSH PIN 04060 04060 ACCUMULATOR CYLINDER ee ACCUMULATOR VALVE BLOCK 04059 04059 ACCUMULATOR DIAPHRAGM J ACCUMULATOR PLUG 04081 04081 HEX BUSHING 1 1 8 x 6 IN FOR 04598 FOOT 04597 04597 1 HEX BUSHING 1 1 4 x 6 IN 04067 04067 4 FOR 04598 FOOT oves oras 2 0405 oss 2 HANDLE BOLT 61 04598 04598 05466 05466 05467 05467 FOR 04081 OR 04597 HEX seen BUSHING INCL 63 amp 64 04073 04073 FOOT ASSY 1 1 8 x 6 IN HEX USA amp CE EXCEPT UK MODELS ONLY INCL ITEMS 53 57 58 60 61 63 64 66 70 FOOT ASSY 1 1 4 x 6 IN HEX USA amp CE EXCEPT UK MODELS ONLY INCL ITEMS 53 57 58 60 61 63 64 66 70 04074 04074 05464 05464 34127 34127 04075 04075 7 01837 01837 04984 04984 01744 01744 08411 08411 BREAKER FOOT ASSY 1 1 8 U W MODEL BR67320 ONLY 71 28322 O RING 28409 28409 WITH ITEM N 4 2 4 4 4 4 4 4 4 1 N 5 5 5 5 5 5 5 6
20. EEE E 1 DESCRIPTION FOOT ASSY EZ 1 1 4 X 6 1 4 HEX UK MODELS ONLY INCL ITEMS 53 57 58 60 61 63 64 amp 66 70 81 83 85 87 HEX SHANK STICKER UK MODELS ONLY RETAINING RING CHECK ITEM 19 TO SEE IF IT USES ASCREW OR RET RING TRUSS HEAD SCREW CHECK ITEM 19 TO SEE IF IT USES A SCREW OR RET RING TRIGGER LOCK USED ON TOOLS WITH AN OR AT THE END OF THE MODEL NUMBER TORSION SPRING USED ON TOOLS WITH AN OR AT THE END OF THE MODEL NUMBER ROLL PIN USED ON TOOLS WITH AN OR AT THE END OF THE MODEL NUMBER STANLEY BR67 STANDARD HANDLE PARTS ILLUSTRATION Illustration 2 2 2 BR67 with Standard Handle AR April 2012 P d S PB CHAM ra E E cents HANDLE WITH TRIGGER LOCK mA CE MODELS ONLY 62 B i Illustration 3 EASI RIDE BREAKER FOOT ASSY Pat No 4614241 e BR67 User Manual 4 21 STANLEY WITHOUT ITEM TRIGGER NO LOCK 1 WITH TRIGGER LOCK QTY DESCRIPTION CIRCUIT TYPE D STICKER CE ONLY COUPLER SET MALE amp FEMALE COUPLERS COUPLER SET MALE amp FEMALE COUPLERS FLOW SLEEVE TUBE NAME TAG BR67 sen apani EE ee Ee E x N ajajoon Q IN ES pe EE EM a E E
21. EST EQUIPMENT Accumulator ier 02835 Flow nd Pressure 8 C 04182 Accumulator Charge Assembly Incl Liquid Filled Gauge w Valve Hose amp Charge 15304 Accumulator Charge Kit Incl 02835 Tester 15304 Charge Assy 372047 Charge Kit 31254 SERVICE TOOLS Flow Sleeve Removal Tube Lausanne ai min Hei 04910 Seal Emm 04596 Split Ring Auto Valve Removal 04908 Accumulator Cylinder PONET eto Eee uu us he ai 05640 Accumulator Disassembly 2 e Leu EE Ra sendere 05508 Spacer Flow Sleeve lristallatio itr acere 04909 STAN LEY BR67 User Manual lt 17 BR67 ANTI VIBRATION HANDLE PARTS ILLUSTRATION SEE ILLUSTRATION 3 ON NEXT PAGE FOR 2 FOOT 2 p uut BR67 with Anti Vibration Handle August 2012 18 BR67 User Manual STAN LEY 67 ANTI VIBRATION HANDLE PARTS LIST WITH TRIGGER ek a ITEM TRIGGER NO LOCK LOCK QTY DESCRIPTION
22. ETAINING RING 73030 73030 NAME TAG T HANDLE 87 11614 11614 FOOT EZ 83 84 85 TOP PLATE FOR 07517 OR 07518 BUSHING USA amp CE EXCEPT UK MODELS ONLY INCL ITEMS 64 87 STAN LEY BR67 User Manual lt 23 UNDERWATER MODELS ONLY A CAUTION Operation Overview DO NOT USE HYDRAULIC TOOLS UNDER WATER THAT ARE NOT DESIGNATED AS AN UNDERWATER MODEL OR THIS WILL RESULT IN DAMAGE TO THE TOOL Tools Breakers Tools Grinders Hammer Drills and Saws Chain Saws Chipping Hammers Max Depth 1000 Max Depth 500 Reference hose limitations due to sizing guide below ih accumulator PSI or underwater hydraulic tools the applications are max increase 40 broken down into four quadrants depending on PSI for every 100 type of tool and method of operation Tools Breakers Tools Grinders Hammer Drills and Saws Chain Saws Chipping Hammers The types of tools are percussive and rotational each with different characteristics allowing for dif ferent depth operation With percussive tools the nitrogen accumulator PSI must counter the in crease in ambient pressure found at lower depths Since there is a maximum PSI for percussive tools they are limited to certain depths Rotational tools do not have accumulators and thus capable of deeper depths Max Depth 1000 Max Depth 500 Reference hose limitations due to sizing guide below accumulator PSI max increase 40 PSI for every 1
23. TS Flow Range 3 5 4 3 gpm 13 5 16 5 Ipm Nominal Operating Pressure 1870 psi at the power supply outlet 129 bar System relief valve setting 2495 psi at the power supply outlet 172 bar 4 7 5 8 18 22 Ipm 1500 psi 103 bar 2000 psi 138 bar 7 1 8 7 gpm 27 33 Ipm 1500 psi 103 bar 2000 psi 138 bar 9 5 11 6 gom 36 44 Ipm 1500 psi 103 bar 2000 psi 138 bar TYPE Ill 11 13 42 49 1500 psi 103 bar 2100 2250 psi 145 155 bar 250 psi 17 bar 400 ssu 82 centistokes 140 F 60 C 7 hp 4 47 kW 40 F 22 C Do not operate the tool at oil temperatures above 140 F 60 C Operation at higher temperatures can cause operator 25 microns 30 gpm 114 lpm 100 400 ssu When choosing hydraulic fluid the expected oil temperature extremes that will be experienced in service determine the most suitable temperature viscosity characteristics Hydraulic fluids with a viscosity index over 140 will meet the requirements 11 8 14 5 45 55 1500 psi 103 bar 2000 psi 138 bar NOTE These are general hydraulic system requirements See tool specification page for tool specific requirements 10 gt BR67 User Manual STANLEY The recommended hose size is 500 inch 12 mm 1 0 up to 50 ft 15 m long and 625 inch 16 mm 1 0 minimum up to 100 ft 30 m PRE OPERATION PROCEDURES CHECK POWER SOURCE 1 Using a calibrated flow
24. Y BE INJURED IN YOUR WORK AREA WEAR HEARING EYE FOOT HAND AND HEAD PRO TO AVOID PERSONAL INJURY OR EQUIPMENT DAMAGE IMPORTANT READ OPERATION MANUAL AND SAFETY INSTRUCTIONS FOR THIS TOOL BEFORE USING IT USE ONLY PARTS AND REPAIR PROCEDURES APPROVED BY STANLEY AND DESCRIBED IN THE OPERATION MANUAL TAG TO BE REMOVED ONLY BY TOOL OPERATOR SEE OTHER SIDE D DO NOT LIFT OR CARRY TOOL BY THE HOSES DO NOT ABUSE HOSE DO NOT USE KINKED TORN OR DAMAGED HOSE NECTED TO THE TOOL BEFORE PRESSURING SYSTEM SYSTEM PRESSURE HOSE MUST ALWAYS BE CON NECTED TO TOOL IN PORT SYSTEM RETURN HOSE MUST ALWAYS BE CONNECTED TO TOOL OUT PORT REVERSING CONNECTIONS MAY CAUSE REVERSE TOOL OPERATION WHICH CAN RESULT IN SEVERE PERSONAL INJURY CENTER HYDRAULIC SYSTEMS THIS MAY RESULT IN LOSS OF OTHER HYDRAULIC FUNCTIONS POWERED BY THE SAME SYSTEM AND OR SEVERE PERSONAL INJURY KEEP BYSTANDERS CLEAR OF YOUR WORK AREA TECTION ALL TOOL REPAIR MAINTENANCE AND SERVICE MUST ONLY BE PERFORMED BY AUTHORIZED AND PROPERLY TRAINED PERSONNEL IMPORTANT READ OPERATION MANUAL AND SAFETY INSTRUCTIONS FOR THIS TOOL BEFORE USING IT USE ONLY PARTS AND REPAIR PROCEDURES APPROVED BY STANLEY AND DESCRIBED IN THE OPERATION MANUAL TAG TO BE REMOVED ONLY BY TOOL OPERATOR SEE OTHER SIDE Safety Tag P N 15875 shown smaller then actual size BR67 User Manual 4 7 The rated working pressure of the hyd
25. an before connecting Use only lint free cloths Failure to do so may result in dam age to the quick couplers and cause overheating of the hydraulic system STANLEY Do not operate the tool at oil temperatures above 140 F 60 C Operation at higher oil temperatures can cause operator discomfort and may damage the tool Never come in contact with the tool bit the bit can get hot Do not operate a damaged improperly adjusted or incompletely assembled tool Do not weld cut with an acetylene torch or hard face the tool bit To avoid personal injury or equipment damage all tool repair maintenance and service must only be performed by authorized and properly trained per sonnel Do not exceed the rated limits of the tool or use the tool for applications beyond its design capacity Always keep critical tool markings such as labels and warning stickers legible Always replace parts with replacement parts recom mended by Stanley Hydraulic Tools Check fastener tightness often and before each use daily Never operate the tool if you cannot be sure that underground utilities are not present Do not wear loose fitting clothing when operating the tool Warning Use of this tool on certain materials during demolition could generate dust potentially contain ing a variety of hazardous substances such as as bestos silica or lead Inhalation of dust containing these or other hazardous substances could result in serious
26. e or repairs Supervising personnel should develop additional pre cautions relating to the specific work area and local safety regulations If so place the added precautions in the space provided in this manual The BR67 Hydraulic Breaker will provide safe and de pendable service if operated in accordance with the in structions given in this manual Read and understand this manual and any stickers and tags attached to the tool and hoses before operation Failure to do so could result in personal injury or equipment damage Operator must start in a work area without bystand ers The operator must be familiar with all prohibited work areas such as excessive slopes and danger ous terrain conditions Establish a training program for all operators to en sure safe operation Do not operate the tool unless thoroughly trained or under the supervision of an instructor Always wear safety equipment such as goggles gloves ear head and breathing protection and safety shoes at all times when operating the tool Do not inspect carry or clean the tool while the hy draulic power source is connected Accidental en gagement of the tool can cause serious injury Supply hoses must have a minimum working pres sure rating of 2500 psi 175 bar Be sure all hose connections are tight The hydraulic circuit control valve must be in the OFF position when coupling or uncoupling the tool Wipe all couplers cle
27. e removal We suggest you retain this tag and 72874 Name Tag Sticker Used on all Anti Vibe models other than those listed above the factory Read and attach it to the tool when not in use STANLEY 9 CE Only Decal CE Only f e 6 1 4 dE 28409 Composite Decal CE Only DANGER FAILURE TO USE HYDRAULIC HOSE LABELED AND CERTI FIED AS NON CONDUCTIVE WHEN USING HYDRAULIC TOOLS ON OR NEAR ELECTRICAL LINES MAY RESULT IN DEATH OR SERIOUS INJURY BEFORE USING HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE ON OR NEAR ELECTRIC LINES BE SURE THE HOSE IS MAINTAINED AS NON CONDUCTIVE THE HOSE SHOULD BE REGULARLY TESTED FOR ELECTRIC CURRENT LEAKAGE IN ACCORDANCE WITH YOUR SAFETY DEPART MENT INSTRUCTIONS AHYDRAULIC LEAK OR BURST MAY CAUSE OIL INJECTION INTO THE BODY OR CAUSE OTHER SEVERE PERSONAL INJURY DO NOT EXCEED SPECIFIED FLOW AND PRESSURE FOR THIS TOOL EXCESS FLOW OR PRESSURE MAY CAUSE A LEAK OR BURST DO NOT EXCEED RATED WORKING PRESSURE OF HYDRAULIC HOSE USED WITH THIS TOOL EXCESS PRESSURE MAY CAUSE A LEAK OR BURST CHECK TOOL HOSE COUPLERS AND CONNECTORS DAILY FOR LEAKS DO NOT FEEL FOR LEAKS WITH YOUR HANDS CONTACT WITH A LEAK MAY RESULT IN SEVERE PERSONAL INJURY 11208 Hex Shank Sticker DANGER MAKE SURE HYDRAULIC HOSES ARE PROPERLY CON DO NOT CONNECT OPEN CENTER TOOLS CLOSED BYSTANDERS MA
28. erfor mance Make sure that tool bits are not chipped or rounded on the striking end Never operate a breaker without a tool bit or without holding it against the work surface This puts exces sive strain on the breaker foot Tool repair should be performed by experienced personnel only Make certain that the recommended relief valves are installed in the pressure side of the system Do not use the tool for applications for which it was not intended STANLEY PROBLEM CAUSE REMEDY Tool does not run Power unit not functioning Check power unit for power flow and pres sure 7 9 26 34 lpm 1500 2000 psi 105 140 bar Pressure and return line hoses Be sure hoses are connected to their proper reversed at ports ports Mechanical failure of piston Disassemble breaker and inspect for damaged automatic valve parts Tool does not hit effectively Power unit not functioning Check power unit for power flow and pres sure 7 9 26 34 1500 2000 psi 105 140 Low accumulator charge pres Recharge accumulator Replace diaphragm if sure hose will pulse more than charge loss continues normal Fluid too hot above 140 F Provide cooler to maintain proper fluid tempera 60 C ture 130 F 55 C Tool operates slow Low gpm supply from power Check power unit for proper flow 7 9 gpm unit 26 34 High back pressure Check hydraulic system for excessive back press
29. meter and pressure gauge check that the hydraulic power source develops a flow of 7 9 gpm 26 34 Ipm at 1500 2000 psi 105 140 bar 2 Make certain the hydraulic power source is equipped with a relief valve set to open at 2100 2250 psi 145 155 bar maximum INSTALL TOOL BIT 1 Rotate the latch on the breaker foot downward pointing away from the tool 2 Insert the tool bit into the foot and pull the latch up to lock the tool bit in place CONNECT HOSES 1 Wipe all hose couplers with a clean lint free cloth before making connections 2 Connect the hoses from the hydraulic power source to the tool fittings or quick disconnects It is a good practice to connect return hoses first and discon nect them last to minimize or avoid trapped pressure within the tool 3 Observe flow indicators stamped on hose couplers to ensure that fluid flow is in the proper direction The female coupler on the tool hose is the inlet cou pler 4 Move the hydraulic circuit control valve to the ON position to operate the tool NOTE If uncoupled hoses are left in the sun pressure in crease within the hoses may make them difficult to connect When possible connect the free ends of the hoses together OPERATION PROCEDURES 1 Observe all safety precautions 2 Install the appropriate tool bit for the job 3 Place the bit firmly on the surface to be broken 4 Squeeze the trigger to start the breaker Adequate down pressure is ver
30. r location of stickers sj 41bar STANLEY a mm I ALE Lwa 30 LPM 138 BAR j dB EHTMACATEGORY 11207 66654 Circuit Type D Decal Guaranteed Sound Level 28322 CE Sticker 73030 Name Tag Sticker T Handle Used On Models BR67120 BR67120E BR67130 BR67130E 73031 Name Tag Sticker Anti Vibe Used On Models BR67125 BR67135 BR6717801A BR67 BREAKER WEIGHT 67Ib 30kg FLOW 7 99pm 26 34lpm PRESS 2500psi 172bar NOM PRESS 1500psi 103bar ACCUMULATOR CHARGE 600psi 41bar NITROGEN sce lt O 3 I 5 85 LLI EN I Yom Z lt Oo e EE lt moo ALS Lox 2 a 12542 BR67 BREAKER WEIGHT 751b 34kg FLOW 7 9gpm 26 34lpm PRESS 2500psi 172bar NOM PRESS 1500psi 103bar ACCUMULATOR CHARGE 600psi 41bar NITROGEN lt 0 OG a DTO Mer gt k Q O ox 5 E gt 72874 Ae 2 LLI Em 2 EE lt T M gt 270 sa 0 n Co 12542 Name Tag Sticker Used on all T Handle models other than those listed above The safety tag P N 15875 at right is attached to the tool when shipped from understand the safety instructions listed on this tag befor
31. raulic hose must be equal to or higher than the relief valve setting on the hy draulic system There are three types of hydraulic hose that meet this requirement and are authorized for use with Stanley Hydraulic Tools They are Certified non conductive constructed of thermoplastic or synthetic rubber inner tube synthetic fiber braid reinforcement and weather resistant thermoplastic or synthetic rubber cover Hose labeled certified non conductive is the only hose authorized for use near electrical conductors Wire braided conductive constructed of synthetic rubber inner tube single or double wire braid reinforce ment and weather resistant synthetic rubber cover This hose is conductive and must never be used near electrical conductors Fabric braided not certified or labeled non conductive constructed of thermoplastic or synthetic rubber in ner tube synthetic fiber braid reinforcement and weather resistant thermoplastic or synthetic rubber cover This hose is not certified non conductive and must never be used near electrical conductors HOSE SAFETY TAGS To help ensure your safety the following DANGER tags are attached to all hose purchased from Stanley Hydraulic Tools DO NOT REMOVE THESE TAGS If the information on a tag is illegible because of wear or damage replace the tag immediately A new tag may be obtained from your Stanley Distributor THE TAG SHOWN BELOW IS ATTACHED TO CERTIFIED NON CONDUCTIVE HOSE
32. red in conformity with Wurde hergestellt in bereinstimmung mit Est fabriqu conform ment Ha sido fabricado de acuerdo con E stata costruita in conformit con Directive Standards No Approved body Richtlinie Standards Nr Pr fung durch Directives Normes Num ro Organisme agr Directriz Los Normas No Aprobado Direttiva Norme Collaudato ISO 11148 4 2010 Self Noise Directive 2000 14 EC 2005 AkustikNet Notified body ID 1585 Bagsvard Hovedgade 141 2880 Bagsvard Denmark Certificate 4863 2011 004 Machinery Directive 2006 42 EC 2006 Self ISO 28927 10 2011 Self 6 Special Provisions None 7 Measurements Measured Sound Power Level 103 LwA Spezielle Bestimmungen Messungen Guaranteed Sound Power Level 105 LwA Dispositions particuli res Mesures Measured in accordance to Directive 2000 14 EC Provisiones especiales Mediciones Annex 111 Part B No 10 gt 30 Disposizioni speciali Misurazioni 8 Representative in the Union Patrick Vervier Stanley Dubuis 17 19 rue Jules Berthonneau BP 3406 41034 Blois Cedex France Vertreter in der Union Repr sentant dans l union Representante en la Union Rappresentante presso l Unione Done at Ort Fait Dado en Fatto a Stanley Hydraulic Tools Milwaukie Oregon USA Date Datum le Fecha Data 1 30 12 Signature Unterschrift Signature Firma Firma PR Position Position Fonction Cargo Posizione Engineering Manager 2 BR67 User Manual STAN LEY DECLARATION
33. s safety alert and signal word indicate an imminently hazardous situation A DANGER which if not avoided will result in death or serious injury This safety alert and signal word indicate a potentially hazardous situation which if not avoided could result in death or serious injury This safety alert and signal word indicate a potentially hazardous situation which if not avoided could result in death or serious injury This signal word indicates a potentially hazardous situation which if not avoid ed may result in property damage This signal word indicates a situation which if not avoided will result in damage to the equipment This signal word indicates a situation which if not avoided may result in dam IMPORTANT age to the equipment 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 A A DANGER 2 WARNING CAUTION CAUTION NOTICE IMPORTANT 4 BR67 User Manual STAN LEY 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 operating the tool and before performing general maintenanc
34. that the stem inside the chuck is completely retracted 3 Thread the tester onto the accumulator charg ing valve Do not advance the gauge end into the chuck end Turn as a unit Seat the chuck on the accumulator charging valve and hand tighten only 4 Advance the valve stem of the tester by turning the gauge end clockwise until a pressure is read on the gauge charge pressure should be 500 700 psi 34 48 bar 5 If pressure is OK unscrew the gauge end from the chuck to retract the stem then unscrew the entire tester assembly from the accumulator charging valve If pressure is low charge the accumulator as described in the following paragraph 6 Install the plug 14 BR67 User Manual ACCUMULATOR CHARGING 1 Perform steps 1 through 4 of the accumulator test ing procedure above 2 Connect the chuck of the charging assembly to the charging valve on the accumulator tester or if pre ferred remove the tester from the charging valve and connect the charging assembly chuck directly to the charging valve 3 Adjust the snub valve to a charging pressure of 600 psi 42 bar Note While watching the pressure gauge open snub valve slowly until it reaches the proper charge pressure 600 700 psi NOTE It may be necessary to set the gauge at 650 700 psi 45 48 bar to overcome any pressure drop through the charging system 4 When the accumulator is fully charged close the snub valve on the charging assembly hose and re
35. ure over 200 psi 14 bar Orifice plug blocked Remove restriction Fluid too hot above 140 F Check power unit for proper fluid temperature 60 C or too cold below 60 F Bypass cooler to warm the fluid or provide cool 16 C er to maintain proper temperature Relief valve set too low Adjust relief valve to 2100 2250 145 155 bar Tool gets hot Hot fluid going through tool Check power unit Be sure flow rate is not too high causing part of the fluid to go through the relief valve Provide cooler to maintain proper fluid temperature 140 F 60 C max Check the relief valve setting Eliminate flow control devices Fluid leakage on tool bit Lower piston seal failure Replace seal Fluid leakage around trigger Valve spool seal failure Replace seals STAN LEY BR67 User Manual lt 13 ACCUMULATOR TESTING PROCEDURE To check or charge the accumulator the following equip ment is required 31254 Charge Kit which includes the following Accumulator Tester Part Number 02835 Charging Assembly P N 15304 15304 in cludes a liquid filled gauge with snub valve hose and fittings NITROGEN bottle with an 800 psi 55 bar minimum charge Not included in 31254 kit This assembly contains nitrogen under pressure Remove the plug from the handle or handle pivot 2 Holding the chuck end of Accumulator Tester P N 02835 turn the gauge fully counterclockwise to en sure
36. y important When the tool bit breaks through the obstruction or becomes bound release the trigger and reposition the tool bit STANLEY NOTE Partially depressing the trigger allows the tool to run at slow speed Slow speed operation permits easier starting of the tool bit into the work surface 5 To start break an opening hole in the center of the surface After making a hole break portions of the material into the original opening For best produc tivity the breaking should be done around the origi nal hole The size of the broken material will vary with the strength and thickness of the base material and the amount of any reinforcement wire or rebar Harder material or more reinforcing wire or rebar will require taking smaller bites To determine the most effective bite start with 2 in 50 mm or smaller bites Bites can then be gradually increased until the bro ken piece becomes too large requiring increased time to break off the piece Sticking of the tool bit occurs when too large a bite is being taken and the tool bit hammers into the mate rial without the material fracturing This causes the tool bit to become trapped in the surrounding mate rial COLD WEATHER OPERATION If the breaker is to be used during cold weather preheat the hydraulic fluid at low engine speed When using the normally recommended fluid fluid temperature should be at or above 50 F 10 C 400 ssu 82 centistokes be fore use
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