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1. CR27 HYDRAULIC CIRCULAR SAW SAFETY OPERATION AND MAINTENANCE USER MANUAL 1 2011 Stanley Black 8 Decker Inc New Britain CT 06053 U S A 30673 6 2012 Ver 6 TABLE OF CONTENTS SAFETY SYMBOLS panrus TTE EUER 4 SAFETY PREGCAUTIOINGS ttti tette e ret ee ebd n tt tl esr ee eb r cd s adea a del aaia 5 ELECTRICAL HAZARDYO ree a des ee terna tesi toe e ces ua suan 7 TOOL STICKERS amp TAGS utra breiten ee cer tec acne tha ed t cete Da ee abend vaa cera te ea 10 need ULT 11 HOSE RECOMMENDBATIGOBNS c itin tne ttp dena td ka ehe n d rco REX M e Pe LET RR QC ERR qayquy E UDINE Ra d 12 FIGURE 1 TYPICAL HOSE CONNECTIONS deii ree e no Ne rrr retra 12 REQUIREMENT ett tt ennt cetero a a Pra sega ee e E ERR ARR uq otn P xx 13 OPERATION ERU E LU UU I ULM 14 FIGURE 2 CORRECT ROTATION DIREC INI ict ntt ett rte taret ea ter ix ennt tru ten 15 FIGURE 3 COLLET NUM amp LOCKING NUT ttt eee eee er tentes the ea etre eur heres eats 15 FIGURE 4 FLUSH CUTTING A LIMB THAT MIGHT SPLIT OR TEAR enn eene 16 FIGURE S FLUSH CUT TM LET 16 FIGURE 6 BLADE SHARPENING eee KR 17 FIGURE 7 FILING ANGLE rto e E nud 17 FIGURE 8 SETTING CUTTER TOGOTHBUANGLE2. SIHL J3AOW3H LON OG SEE OTHER SIDE SEE OTHER SIDE SIDE 1 SIDE 2 Shown smaller than actual size THE TAG SHOWN BELOW IS ATTACHED TO CONDUCTIVE HOSE DANGER DANGER 00 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 TO 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 00 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 EEM SEE OTHER SIDE ERE E SEE OTHER SIDE TEE SIDE 1 SIDE 2 Shown smaller than actual size STANLEY CR27 User Manual lt 11 DO NOT REMOVE THIS TAG Ovl SIHL
3. blade thickness Place the setting tool over the cutter near the cutter tooth and bend the tooth until the angle on the set ting tool touches the side of the blade DO NOT OVER SET Over setting will cause rough cutting and vibration which may result in stress cracks and eventual blade failure CR27 User Manual lt 17 OPERATION Figure 8 Setting Cutter Tooth Angle COLD WEATHER OPERATION If the saw is to be used during cold weather preheat the hydraulic fluid at low engine speed When using the normally recommended fluids fluid temperature should be at or above 50 F 10 C 400 ssu 82 centistokes be fore use 18 CR27 User Manual STANLEY TOOL PROTECTION amp CARE In addition to the Safety Precautions found in 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 ho
4. clear ance arborist trainees shall be within vision or voice communication during line clearing operations aloft when line clearance arborists or line clearance arborist trainees must approach closer than 10 feet 3 05 me ters to any energized electrical conductor in excess of 750 volts primary conductor or when 1 Branches or limbs being removed cannot first be cut with a pole pruner pole saw to sufficiently clear electrical conductors so as to avoid contact 2 Roping is required to remove branches or limbs from such electrical conductors This does not ap ply to individuals working on behalf of or employed by electrical system owners operators engaged in line clearing operations incidental to their normal occupation Qualified line clearance arborists and line clearance arborist trainees shall maintain minimum approach dis tances from energized electrical conductors in accor dance with Table 1 All other arborists shall maintain a minimum approach distance from energized electrical conductors in accor dance with Table 2 Branches hanging on an energized electrical conductor shall be removed using non conductive equipment CR27 User Manual lt 7 ELECTRICAL HAZARDS Table 1 Minimum approach distances from energized conductors for qualified line clearance arborists and qualified line clearance arborist trainees Includes 1910 269 Includes 1910 269 Includes 1910 269 Nominal elevation factor sea elevation factor
5. elevation factor Voltage level to 5000 ft 5001 10 000 ft 10 000 14 000 ft 005 10 11 150 0 86 151 360 04 36 146 0 ET 4612725 140 726 1210 70 138 0 146 0 E 1104690 ero 2 22 2300 2420 m 1 feo ars 156 297 3450 3620 4 96 2000 5500 AL 199028000 1032 Table 2 Minimum approach distances to energized conductors for persons other than qualified line clear ance arborists and qualified line clearance arborist trainees Nominal Voltage Distance kV phase to phase ft in m 0 0 1 0 10 00 3 05 1 1 15 0 10 00 3 05 15 1 36 0 10 00 3 05 36 1 50 0 10 00 3 05 50 1 72 5 10 09 3 28 72 6 121 0 12 04 3 76 138 0 145 0 13 02 4 00 161 0 169 0 14 00 4 24 230 0 242 0 16 05 4 97 345 0 362 0 20 05 6 17 500 0 550 0 26 08 8 05 785 0 800 0 35 00 10 55 1 Exceeds phase to ground 8 CR27 User Manual STANLEY ELECTRICAL HAZARDS The tie in position should be above the work area and located in such a way that a slip would swing the arborist away from any energized electrical conductors or other identified hazard While climbing the arborist should climb on the side of the tree that is away from energized electrical conduc tors as required in Tables 1 and 2 Footwear including lineman s overshoes having electri cal resistant soles shall not be considered as providing any measure of safety from electrical hazards Rubber g
6. tool is dropped with a saw blade installed the saw blade should be examined Make sure you re well rested and mentally alert be fore operating the saw Do not start cutting until you have a clear work area secure footing and a planned drop area for falling branches Keep all parts of the body away from the saw during operation Carry the saw with the unit de energized Do not operate a pole saw that is damaged improp erly adjusted or not completely and securely assem bled Make sure the saw blade stops moving when the control trigger is released Use extreme caution when cutting small branches Twigs may catch the saw blade and be whipped to ward the operator or pull the operator off balance Only use saw blades manufactured by Stanley Hy draulic Tools Stanley assumes no responsibility for failure in equipment accidental damage or acciden tal injury as a result of the use of saw blades not manufactured by Stanley Hydraulic Tools Always assure the saw blade is sharp Do not try to use the tool with a dull saw blade Keep the handle dry clean and free of hydraulic fluid When using tools near energized transmission lines make sure to use only hoses labeled and certified non conductive Turn off the power unit or move the hydraulic control valve to neutral before setting the pole saw down Know the location of buried or covered electrical services before starting work To avoid personal injury or equipme
7. 500 psi 1500 psi 1500 psi 1500 psi at the power supply outlet 103 bar 103 bar 103 bar 103 bar System relief valve setting 2100 2250 psi 2100 2250 psi 2200 2300 psi 2100 2250 psi at the power supply outlet 145 155 bar 145 155 bar 152 159 bar 145 155 bar Maximum back pressure 250 psi 250 psi 250 psi 250 psi at tool end of the return hose 17 bar 17 bar 17 bar 17 bar Measured at a max fluid viscosity of 400 ssu 400 ssu 400 ssu 400 ssu at min operating temperature 82 centistokes 82 centistokes 82 centistokes 82 centistokes Temperature Sufficient heat rejection 140 F 140 F 140 F 140 F capacity to limit max fluid temperature to 60 C 60 C 60 C 60 C at max expected ambient temperature Min cooling capacity at a temperature 3 hp 5 6 hp 7 hp difference of between ambient and fluid 2 24 kW 3 73 kW 5 22 kW 4 47 kW temps 40 F 40 F 40 F 40 F NOTE 22 C 22 C 22 C 22 C Do not operate the tool at oil temperatures above 140 F 60 C Operation at higher temperatures can cause operator discomfort at the tool Filter 908 25 microns 25 microns 25 microns 25 microns Min full flow filtration 30 gpm 30 gpm 30 gpm 30 gpm p ae Gm m CH m dirt holding capacity Hydraulic fluid Petroleum based 100 400 580 100 400 ssu 100 400 ssu 100 400 ssu premium grade anti wear non conductive 20 82 centistokes Viscosity at min and max
8. EAD 1 4 20 x 3 8 1 FIXED COLLAR RETAINING RING 2 CAPSCREW HEX SOCKET HEAD 10 32 x 3 4 Essl um TEM 0004 2482 1808 0022 00103 07407 N 0011 0000 0000 2484 0485 3 6080 0322 x N 0028 07305 1145 04041 0404 0761 0002 0765 IDLER SHAFT 1 GEAR HOUSING ASSY INCL ITEMS 17 20 amp 24 CAPSCREW HEX SOCKET HEAD 10 24 x 1 1 4 1 FRONT BEARING HOUSING O RING 7 16 x 9 16 x 1 16 017 1 MOTOR ASSY INCL ITEMS 7 THRU 17 amp 20 THRU 28 O RING 3 16 x 5 16 x 1 16 008 SELECTOR SCREW RETAINING RING PLUG FURNISHED IN 26414 LOCK QUT KIT VALVE SPOOL VALVE SPOOL MODEL CR27191P ONLY N 2482 0075 3168 1666 3170 0002 1987 1607 2280 3163 6712 0762 3163 0160 0093 00227 8 1 0000 04856 00289 orans EN 04044 3162 0092 e 229 85 19 Fm 27 I o mg a BR QA m lt gt N 43 44 45 46 47 48 49 5 53 54 55 56 57 CR27 PARTS LIST DESCRIPTION 7627 1 O RING 5 8 x 3 4 x 1 16 5151 1 SPRING 2147 2 CAPSCREW HEX SOC FLAT HD 1 4 20 x 3 4 951 meom asa eue sme 1 TwocenGuep 12 02 T ELECTRICAL WARNING STICKER ze DANGERSTICKER 1 srGews
9. HOWN BELOW IS ATTACHED TO CERTIFIED NON CONDUCTIVE HOSE 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 FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROP ERLY TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND 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 AGE TO COUPLINGS IF ANY OF THESE CONDITIONS EXIST REPLACE THE HOSE TEST HOSE FOR MAXIMUM ALLOWABLE CURRENT LEAKAGE IN ACCORDANCE WITH d 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 DO NOT REMOVE THIS TAG 4
10. JAOWSY LON OG suonoeuuo e9Id lt lt lt MO J Nanay RETURN E la mm 3 553 4 x o zl 2 gt PRESSURE PRESSURE 9 1 0095 06 8 001 92 09 6 9 9 1 0095 ainssald 6l vIe S L 0095 6 vIe 8 dn 92 6 dn 09 67 9 S L 009 ensseJg 9 8 9 119 AVS Aq 395 se 5 0082112905 Z m 0052 njey yoz i p x 40 JSNW sou oi neJp u O 09 0 002 001 6 86 L OL SLL 0092 ainssald 6L vIe 39164 W JS S oineJp u SLL 00SZ Winey 6L m zm ES u jenbe eunsseJd unnuululuu lt m 0082 eunsseig 9i 979 pojeJ e seg JSNW m 61 0062 108 9 8 9 64 9 dn 069196 ese e o suoneoijdde Aue 40 pesn eq jou pjnous z SIL 0092 unes 6l vic pue sjueujeJmbeJ Buljesedo 00
11. Manual HOSE TYPES The rated working pressure of the hydraulic 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 S
12. NCE OF T IN A LEAK BURST OTHER E BCONTAGT ou A_LEAK OR BURST TOOL FAILURI BURST CAN CAUSE OIL INJECTION THE BODY FAILURE TO OBSERVE THESE CAN RESULT IN 5006 03784 5 7 GPM Sticker Stanley Hydraulic tools Division of the Stanley Works 3810 SE Naef Road Milwaukie OR 97267 05153 Stanley Decal DANGER Stanley Hydraulic Tools 3810 SENaef Road Milwaukie CR97062 ae 2 FAILURE TO USE HYDRAULIC HOSE LABELED AND CER TIFIED 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 CUR RENT LEAKAGE IN ACCORDANCE WITH YOUR SAFETY DEPARTMENT INSTRUCTIONS A HYDRAULIC LEAK OR BURST MAY CAUSE OIL INJEC TION 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 ALEAK 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 Model CR27 24827 Name Tag DANGER D DO NOT LIFT OR CARRY TOOL BY THE HOSES DO NOT ABUSE HOSE DO NOT USE KI
13. NG BLADE TOWARDS LATERAL BRANCH WILL LEAVE EDGE FLUSH WITH LATERAL BRANCH NO STUB LEFT Figure 4 Flush Cutting a Limb That Might Split or Tear 16 CR27 User Manual In sawing limbs which have a tendency to split or tear when making a single saw flush cut Figure 4 it is advisable to make more than one cut The first cut is made a few inches from the point of the flush cut removing the weight of the limb being trimmed out and leaving a short stub The stub is then flushed off as shown in Figure 5 Whenever practical the cut shall be treated with tree paint if it is larger than 1 inch in diameter This technique will avoid breaking the lateral which you are trying to save or splitting the remaining limb down the center as the flush cut is made FINAL CUT FIRST CUT IS TO TAKE WEIGHT OFF BEFORE THE FINAL CUT TO PREVENT THE LIMB FROM SPLITTING DOWN THE CENTER Figure 5 Flush Cut Do not cut material that is directly overhead When it falls it may cause operator injury Watch the saw reaction to making a cut Control the movement of the saw Release the ON OFF trigger to stop saw blade rota tion Reposition the saw to make the next cut and con tinue operating the saw as stated above After releasing the ON OFF trigger saw operators must be certain that the saw has come to a complete stop after a few seconds or more The saw blade must come to a complete stop before placing the saw into the truck
14. NKED TORN OR DAMAGED HOSE MAKE SURE HYDRAULIC HOSES ARE PROPERLY CON 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 DO NOT CONNECT OPEN CENTER TOOLS TO CLOSED CENTER HYDRAULIC SYSTEMS THIS MAY RESULT IN LOSS OF OTHER HYDRAULIC FUNCTIONS POWERED BY THE SAME SYSTEM AND OR SEVERE PERSONAL INJURY BYSTANDERS MAY BE INJURED IN YOUR WORK AREA KEEP BYSTANDERS CLEAR OF YOUR WORK AREA WEAR HEARING EYE FOOT HAND AND HEAD PRO TECTION TO AVOID PERSONAL INJURY OR EQUIPMENT DAMAGE ALL TOOL REPAIR MAINTENANCE AND SERVICE MUST ONLY BE PERFORMED BY AUTHORIZED AND PROPERLY TRAINED PERSONNEL IN SEVERE PERSONAL INJURY 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 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 10 CR27 User
15. T WITH THE BLADE OF THE CR27 MAY RESULT IN SEVERE PERSONAL INJURY TO AVOID SEVERE PERSONAL INJURY DO NOT OPERATE WITH LOOSE MISSING OR DAMAGED FASTENERS CDANGER Falure to use hydraulic hose labeled and certified OR WITH NON FACTORY APPROVED FASTENERS OPERATION WITH MISSING OR DAMAGED FASTENERS OR WITH NON FACTORY APPROVED FASTENERS MAY For proper and safe operation read owners manual and sure that you have been properly trained corect procedures required for work BECTROCUTON RESULT IN SEPARATION OF THE MOTOR AFTER RELEASING THE ON OFF TRIGGER SAW OPERATORS ROOM Gr rund electo Pea BLADE OR HANDLE ASSEMBLY FROM THE MUST BE CERTAIN THAT THE BLADE HAS COME TO ACOMPLETE OUTER TUBE STOP BEFORE PLACING THE SAW ON THE GROUND LOWERING THE SAW INTO THE TRUCKS BUCKET STORING THE SAW OR 12412 T CONTACTING THE BLADE IN ANY WAY FAILURE TO OBSERVE THESE PRECAUTIONS MAY RESULT IN SEVERE PERSONAL Electrical Warning Decal Danger Decal OTHER WORKERS AND BYSTANDERS MUST STAY CLEAR OF THE WORK AREA TO AVOID SEVERE PERSONAL INJURY RESULTING FROM CONTACT WITH THE SAW BLADE AS WELL AS FALLING LIMBS BRANCHES AND OTHER DEBRIS 27694 Danger Decal 5 7 GPM 19 26 LPM DO NOT EXCEED 2000 PSI 140 BAR NOT D SPECIFIED FLOW OR PRESSURE BUSE TOOL SH CLOSED CENTER SYSTEM ON OPEN CENTER SYSTEM TO TOOL IN AND OUT CT NOSES MS USE OR MAINTENA
16. ave 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 clean 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 Do not operate a damaged improperly adjusted or incompletely assembled tool 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 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 Donot wear loose fitting clothing when operating the tool Keep all parts of your body away from the rotating saw blade Keep the saw blade off all surfaces when starting the circle saw Do not reverse saw blade rotation direction by changing fluid flow direction Without t
17. cause operator discomfort After releasing the ON OFF trigger be certain that the saw blade has come to a complete stop before placing the saw on the ground lowering the saw into the truck s bucket storing the saw or contacting the blade in any way Failure to observe these precau tions may result in severe personal injury The saw operator must keep other workers and by standers clear of the work area including the area into which cut limbs or debris fall Failure to heed this precaution can result in severe personal injury CR27 User Manual lt 15 OPERATION MAKING CUTS The following are general wood cutting procedures and techniques Differences in the terrain vegetation and type of wood will make this information more or less valid for particular areas For advice on specific wood cutting problems or techniques for your area consult your local Stanley representative or your county agent They can often provide information that will make your work safer and more productive 1 Move the hydraulic circuit control valve to the ON position to pressurize the circuit 2 Maintain a firm grip on the saw handle While main taining firm footing and balance position the saw blade near the material to be cut 3 Squeeze the ON OFF valve handle trigger and allow the saw blade to reach FULL speed IMPORTANT The saw blade must reach FULL speed before attempting a cut LATERAL BRANCH BRANCH TO BE CUT PLACI
18. e power source Do not operate a circle saw that is damaged im properly adjusted or is not completely and securely assembled Keep the saw and handles clean and free of oil and contaminates Do not hang the saw on utility wires or cables Do not leave the saw hanging in a tree Do not leave cut branches in a tree Branches bent under tension are considered haz ardous Do not allow binding of the saw blade The saw blade will continue to spin for up to 5 sec onds or more after releasing the ON OFF trigger During this coast down time contact with the saw blade may result in severe personal injury Refer to page 2 On early model saws the coast down time will be up to 15 seconds Use extreme caution when sawing small size brush and saplings Slender material may catch in the saw blade and be thrown toward the operator Keep the saw blade away from all surfaces when starting rotation of the blade Do not reverse blade rotation direction by changing oil flow direction The saw is designed to operate in only one direction Do not use the saw around energized transmission lines Do not inspect clean or repair the saw with the pow er source operating or with operating pressure at the saw Accidental engagement of the tool can cause serious injury Do not operate the saw at oil temperatures above 140 F 60 C Operation at higher temperatures can cause higher than normal temperatures at the tool which can
19. elops a flow of 5 7 gpm 19 26 at 1000 2000 psi 70 140 bar 2 Makecertain the hydraulic power source is equipped with a relief valve set to open at 2100 2250 psi 145 155 bar minimum 3 Check that the dual spool valve is set to the hydrau lic system type open center OC or closed center CC operation CHECK TOOL 1 Make sure all tool accessories are correctly in stalled Failure to install tool accessories properly can result in damage to the tool or personal injury There should be no signs of leaks The tool should be clean with all fittings and fasten ers tight CHECK TRIGGER MECHANISM Check that the trigger operates smoothly and is free to travel between the ON and OFF positions SETTING THE DUAL SPOOL FOR OC OPEN CENTER OR CC CLOSED CENTER OPERATION IMPORTANT This tool is furnished with a ON OFF spool commonly referred to as a dual spool which permits adjustment so the tool may be operated on either an open center OC or closed center CC hydraulic system The dual spool is normally set to the OC position at time of manufacture The dual spool can also be disabled so that the tool may be set to OC only operation For more details please refer to the following instructions SETTING FOR OPEN CENTER OC OR CLOSED CENTER CC OPERATION 1 To set the tool for open center OC system opera tion turn the selector screw located in the top of the valve spool fully out counter cl
20. er guard Have repaired by an authorized Stanley Hydraulic Tools dealer High back pressure Determine cause of high back pressure and return line and remove restriction Tool reverse plumbed to the Correctly connect the pressure and system return lines Valve spool or spool bore scored by Have repaired by an authorized contaminated hydraulic fluid Stanley Hydraulic Tools dealer Saw cuts poorly Blade is dull Replace with sharp blade Saw is running backwards Check direction of rotation Correct rotation is counterclockwise as viewed from the motor side of the saw blades Blade installed backwards Install the blade correctly Blade teeth point in direction of rotation counterclockwise as viewed from the motor side of the saw blades Saw slows excessively under load System relief valve set too low Check system relief and adjust relief valve to crack open at 2100 psi Tool motor worn Have inspected and repaired by an authorized Stanley Hydraulic Tools dealer Hydraulic oil leaks from motor shaft Motor shaft seal worn or failed Have inspected and repaired by an authorized Stanley Hydraulic Tools dealer Hydraulic oil leaks between valve Oil tube seals worn or oil tubes Have inspected and repaired by an handle and outer tube handle worn authorized Stanley Hydraulic Tools dealer 20 CR27 User Manual STANLEY SPECIFICATIONS GAP AGI yu E 9 in Diam
21. eter 23 cm Blade Pressure Range note Pen b ee ad ace d Y eeu 1000 2000 psi 70 140 bar Maximum 55 250 psi 17 bar Flow Range yau y Qa daniels 5 7 gpm 19 26 lpm enim i uu uuu u S 8 SAE O ring Connect Slze and Type ce ttt e teet dede e aa uk 3 8 in NPT x 8 SAE Male Pipe Adapter Hose adio ce EE No ta ende mE 9 75 Ibs 4 4 kg Overall LOM QUA m 79 in 200 cm Maximum Fluid Iempetature uu tte e netten Ended fero Rea a 140 F 60 C ACCESSORIES Description Part No 9 1n 23 cm Saw Blade 44 ea ee ee ct ken eva eme ita ra ona eara Legen CA ins ses La Ra TM eA CA 00425 310 23 cm Brushcu tter Saw Blade u u u uu e ehe c EE 34356 File Holder with 7 32 Round File for sharpening brushcutter blades 11299 Setting Tool for setting cutter angles on brushcutter U enne nnne 34653 Certified Non Conductive Dual Oil Resistant Hose 3 8 in Diameter 10 ft with 05005 STANLEY CR27 User Manual lt 21 CR27 PARTS ILLUSTRATION 22 CR27 User Manual STANLEY DESCRIPTION OIL TUBE ASSY OUTER TUBE ASSY e CAPSCREW BUTTONH
22. he use of non conductive accessories this tool is not for use near energized electric lines Fail ure to comply with this warning could result in seri ous personal injury Never cock jam or wedge the saw blade during op eration Eye injury and cutting or severing of body parts is possible if proper procedures are not followed CIRCULAR SAW SPECIFIC SAFETY PRECAUTIONS Do not rely exclusively upon the safety devices built into the saw As a circle saw user several steps must be taken to keep your cutting jobs free from accident or injury Ensure the saw blade is correctly mounted and tightened before each use Keep a good firm grip on the pole saw with both hands Place your right hand on the rear handle and your left hand on the outer tube assembly when op erating Use a firm grip with your thumbs and fingers encircling the saw handle and outer tube assembly A firm grip helps keep control of the saw Do not let go CR27 User Manual 4 5 SAFETY PRECAUTIONS Ensure that the direction of rotation of the saw blade is as prescribed in this manual Cut at the rated operating speeds gpm Operate the saw at no load for 30 seconds in a safe position and ensure there is no excessive vi bration or other defects detected If considerable vi bration or other defects are detected stop operation of the tool immediately and determine the cause Do not use the tool until the defect is corrected If the
23. itte eet ee ten oe tette den di re Ra 18 TOOL PROTECTION amp CARE uuu u 0 a 19 TROUBLESHOOTING O T 20 SPECIFICATIONS AAA 21 ACCESSORIES EU 21 CR27 PARTS ILLUSTRATION NP 22 CR27 PARTS LIS Wrsstes aa 23 IMPORTANT To fill out a Product Warranty Recording form and for information on your warranty visit Stanleyhydraulic com and select the Warranty tab NOTE The warranty recording form 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 au thorized 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 STANLEY CR27 User Manual lt 3 SAFETY SYMBOLS Safety symbols and signal words as shown below are used to emphasize all operator maintenance and repair ac tions which if not strictly followed could result in a life threatening situa
24. le holder with a 7 16 inch round file Stanley Part Number 11299 place the file holder flat on top of the cutter with the file against the cutter tooth FILE HOLDER aS CUTTER CUTTER TOOTH PLACE FILE HOLDER FLAT ON TOP OF CUTTER Figure 6 Blade Sharpening Maintain a 20 angle and always file outwards on each right or left cutter tooth File only with a slight pressure against the cutter tooth not on top of the cutter during the forward stroke Release pressure as you pull the file back The file will only cut during the forward stroke While filing always try to keep the file holder perpen dicular to the side of the blade Try not to move the file holder up or down or move the file holder to the setting of the tooth Figure 7 Filing Angle TOP OF CUTTERS The top of each cutter is factory ground to ensure the best cutting performance Normally the tops of the cut ters will not require filing unless the edge is badly worn or damaged If the top of a cutter requires filing use a smooth flat file to give the cutter its original shape After filing ensure that all cutters have the same length and profile SETTING TOOTH ANGLE A sharp outside corner and an exact angle setting will give maximum cutting performance Special setting tool Stanley part number 34653 is required to verify or prop erly set the angle of each cutter tooth at 040 inch 1 mm Match one of the grooves in the setting tool to the
25. loves with or without leather or other protec tive covering shall not be considered as providing any measure of safety from electrical hazards Ladders platforms and aerial devices including insulat ed aerial devices shall be subject to minimum approach distances in Table 1 and 2 Aerial devices and attached equipment such as chip pers contacting energized electrical conductors shall be considered energized Contact shall be avoided except where emergency rescue procedures are being carried out Emergency rescue should be performed in accor dance with 4 3 STORM WORK AND EMERGENCY CONDITIONS LINE CLEARANCE Line clearance shall not be performed during adverse weather conditions such as thunderstorms high winds and snow and ice storms Qualified line clearance arborists and qualified line clearance arborists trainees performing line clearance in the aftermath of a storm or under similar conditions shall be trained in the special hazards associated with this type of work Line clearance operations shall be suspended when storm work or emergency conditions develop involving energized electrical conductors Electrical system own ers operators shall be notified immediately CR27 User Manual lt 9 TOOL STICKERS amp TAGS THIS SAW BLADE OF THE CR27 WILL CONTINUE TO ROTATE FORUP TO 15 SECONDS OR MORE AFTER RELEASING THE aliii d ON OFF TRIGGER DURING THIS COAST DOWN TIME serous nuy CONTAC
26. non smmevsmoem um 8 um E um 557 Nos e Ho smwe roprerstor Lm 8 34356 00125 24853 24850 31186 34303 34257 03364 0370 2483 0397 0397 03971 i rewate coue 9 3 9 ana SEAL KIT o 2982 CR27 User Manual 4 23 Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie Oregon 97267 5698 USA 503 659 5660 Fax 503 652 1780 www stanleyhydraulic com IMPORTANT To fill out a Product Warranty Recording form and for information on your warranty visit Stanleyhydraulic com and select the Warranty tab NOTE The warranty recording form must be submitted to validate the warranty
27. nt damage all tool repair maintenance and service must only be performed by authorized and properly trained per sonnel 6 CR27 User Manual ELECTRICAL HAZARDS The following guidelines must be followed to prevent accidental contact with overhead electrical conductors and or communication wires and cables Ref ANSI 2133 1 1982 All overhead conductors and all communications wires and cables are considered to be energized with poten tially fatal voltages and must never be touched either di rectly or indirectly Accidental contact with any overhead conductors or communication wires and cables can re sult in death or serious injury A close inspection shall be made by the tool opera tor and by the tool operator s supervisor to determine whether an electrical conductor passes through the tree or passes within reaching distance of the tool operator Only qualified tool operators shall be assigned to the work if an electrical hazard exists A second qualified tool operator must be within normal voice communication during line clearing operations aloft when the tool operator approaches closer than 10 feet 3 m to any conductor or electrical apparatus ener gized in excess of 750 volts or when roping is required to remove the branches or limbs Tool operators must maintain the following clearances from energized conductors phase to phase kV Distance All other tree workers must maintain a minimum clear ance
28. ockwise until it hits the stop 2 Tosetthe tool for closed center CC system opera tion turn the selector screw located in the top of the valve spool fully in clockwise until it bottoms TO DISABLE DUAL SPOOL OPERATION AND CONVERT TO OPEN CENTER ONLY OPERATION 1 Turn the selector screw located in the top of the valve spool fully out counter clockwise until it hits the stop 2 Insert the small plug from the kit furnished with the tool into the hole located in the top of the selector screw Tap the plug down using a small punch and hammer DO NOT USE ANY ADHESIVES TO DISABLE DUAL SPOOL OPERATION AND CONVERT TO CLOSED CENTER ONLY OPERATION 1 Turn the selector screw located in the top of the valve spool fully in clockwise until it bottoms 2 Insert the small plug from the kit furnished with the tool into the hole located in the top of the selector screw Tap the plug down using a small punch and hammer DO NOT USE ANY ADHESIVES BLADE INSTALLATION 1 Handle the saw blade with care The cutting edges are sharp and careless handling could result in in jury 2 Install the blade over the motor shaft and onto the fixed collar so that the points of the teeth on the blade are facing clockwise as viewed from the front of the motor see Figure 2 3 Install the moveable collar followed by the collet nut see Figure 3 Tighten the collet nut hard not wrist tight 4 Install the locking nut with internal ta
29. of 10 feet 3 meters from energized conductors rated 50 kV phase to phase or less Conductors rated over 50 kV phase to phase require a minimum clear ance of 10 feet plus 4 10 of an inch 3 meters plus 10 mm for each kilovolt over 50 kV STANLEY When a lifting device contacts an electrical conductor the truck supporting the device is considered to be ener gized and contact with the truck must be avoided except when emergency rescue procedures are being carried out Emergency rescue should only be attempted by properly trained personnel familiar with electrical haz ards Storm work and emergency conditions create special hazards During these conditions only authorized tool operators shall perform any tree operation The follow ing guidelines must be followed to prevent accidental contact with overhead electrical conductors and or com munication wires and cables Ref ANSI Z133 1 2000 Working in Proximity to Electrical Hazards An inspection shall be made by a qualified arborist to determine whether an electrical hazard exists before climbing or otherwise entering or performing work in or on a tree Only qualified line clearance arborists or qualified line clearance arborist trainees shall be assigned to work where an electrical hazard exists Qualified line clear ance arborist trainees shall be under the direct supervi sion of qualified line clearance arborist A second qualified line clearance arborists or line
30. operating temps NOTE 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 over a wide range of operating temperatures SSU Saybolt Seconds Universal EHTMA CLASSIFICATION HYDRAULIC SYSTEM Flow Range 3 5 4 3 gpm 4 7 5 8 gpm 7 1 8 7 gpm 9 5 11 6 gpm 11 8 14 5 gpm 13 5 16 5 Ipm 18 22 Ipm 27 33 Ipm 36 44 Ipm 45 55 Ipm Nominal Operating Pressure 1870 psi 1500 psi 1500 psi 1500 psi 1500 psi at the power supply outlet 129 bar 103 bar 103 bar 103 bar 103 bar System relief valve setting 2495 psi 2000 psi 2000 psi 2000 psi 2000 psi at the power supply outlet 172 bar 138 bar 138 bar 138 bar 138 bar NOTE These are general hydraulic system requirements See tool specification page for tool specific requirements STANLEY CR27 User Manual lt 13 OPERATION PREOPERATION PROCEDURES PREPARATION FOR INITIAL USE Each unit as shipped has no special unpacking or as sembly requirements prior to usage Inspection to as sure the unit was not damaged in shipping and does not contain packing debris is all that is required After instal lation of a saw blade a unit may be put to use CHECK HYDRAULIC POWER SOURCE 1 Using a calibrated flowmeter and pressure gauge check that the hydraulic power source dev
31. per facing to ward the collet nut and tighten it hard against the collet nut 5 As a final tightening procedure with a wrench on each of the nuts tighten the locking nut one half wrench flat further 14 CR27 User Manual STANLEY OPERATION CLOCKWISE ROTATION Figure 2 Correct Rotation Direction ae COLLET NUT V LOCKING NUT Figure 3 Collet Nut amp Locking Nut 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 hose couplers on the saw It is a good prac tice to connect the return hose first and disconnect it last to minimize or avoid trapped pressure within the saw motor 3 Observe flow indicators stamped on hose couplers to be sure that oil will flow in the proper direction The female coupler is the inlet coupler NOTE The pressure increase in uncoupled hoses left in the sun may result in making them difficult to connect When possible connect the free ends of operating hoses together OPERATING PROCEDURES Observe all safety precautions DONOT OPERATE A CIRCLE SAW UNLESS YOU HAVE BEEN SPECIFICALLY TRAINED TO DO SO Keep all parts of the body away from the saw blade during operation of the tool Carry the saw with the unit de energized and the blade away from the body STANLEY Always connect the hoses to the tool hose couplers before energizing th
32. s bucket storing the saw or contacting the blade in any way Failure to observe this warning may result in severe personal injury OPERATION AFTER OPERATION 1 Wipe the saw thoroughly with a clean dry or slightly oiled cloth 2 Clean tree pitch and residue from the blade Handle the blade with care to avoid getting cut by the sharp teeth 3 Check all fasteners for tightness When the saw is not in use store horizontally in a clean dry space and protected from damage 5 Protect the blade teeth and keep the teeth sharp A sharp blade will cut cleaner and faster BLADE CARE Every day visually check the blade for cracks and warp age Cracks will lead to a break and out of flat will cause excessive vibration Make sure the spindle lock nut is tight When sharpening never use a flat file which may leave a square corner in the gullet Because of high speed vibration this becomes a point from which a crack will start Do not let gum sap or dirt build up underneath the cut ting edges This adds undue friction and reduces cutting efficiency due to loss of clearance Inspection of the cutting teeth should be made often dur ing each day s use It is faster to touch up the teeth with a few strokes of the file than to allow the teeth to get dull Dull teeth cause loss of cutting capacity and too much friction A sharp spare blade is a good back up in case of trouble BLADE SHARPENING BLADE TEETH Using a fi
33. s oo neip TT 06 0 00 001 0961 FOLS H lue S uo peseq Ajuo 00 9 1 0095 ainssald QL 8 9 an oi neJp U JO pesn eq SI yeyo 511 9 1 0095 1 8 QL 8 9 06 6 001 18 0 6 0 9 d S L 0095 1 8 I e G 0j dn 09 0j dn Or 6L 0 9 WNWUKEWU SANSU O a E e SEEN mem A ejqe deooe e o eunssaJd 35 O Sal 822 J nss d uunjeJ oj suo n S L 0095 1 8 OL 8 dn gz 63 dn 9 epu uuuuo5 1 88991 9 Jed 8931 2 SYOLONGNOD TVOI2119313 YVAN ISN LON OQ plejg 10 pieg 9JIM SOH AB9npuoO wid6 aynuiw 499 suolle6 uo peseq sujfues SSL 0922 ujog OL 8 go dn 0 dn V GL 990 SNOWeA JO 5 LLI syonJj 3exong Ang 104 preg eso A 9npuoS uoN p pu uuuu0991 SMOUS yb O yeyo Sul 2 N 2 avg ISd uinjoy sseid WIN HONI SYSLIN 4334 Ido suonepueululo29M g 2 94 955944 493 9 1 episu 5 36 9 esoH 9SoH PNI Si neip H 0 1001 A N HTMA REQUIREMENTS HTMA EHTMA REQUIREMENTS HTMA TOOL TYPE HYDRAULIC SYSTEM REQUIREMENTS TYPE TYPERR TYPE III Flow Range 4 6 gpm 7 9 gpm 9 10 5 gpm 11 13 gpm 15 23 Ipm 26 34 Ipm 34 40 Ipm 42 49 Ipm Nominal Operating Pressure 1
34. ses 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 Refer to the Specifications page in this manual for correct flow and pressure rates If flow and pressure are ex ceeded rapid failure of the internal seals may result Always keep critical tool markings such as warning stickers and tags legible 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 CR27 User Manual lt 19 TROUBLESHOOTING If symptoms of poor performance develop the following chart can be used as a guide to correct the problem When diagnosing faults in operation of the saw always make sure the hydraulic power source is supplying the correct hydraulic flow and pressure to the saw as listed in the table Use a flowmeter know to be accurate Check the flow with the hydraulic fluid temperature at least 80 F 27 C PROBLEM CAUSE REMEDY Tool will not operate Hydraulic system not engaged or Engage or start hydraulic system running Hydraulic system control valve is Turn the system control valve ON OFF Tool not connected to the hydraulic Connect tool to the system system Trigger and valve spool stick Damaged trigg
35. 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 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 CR27 Hydraulic Circular Saw will provide safe and dependable service if operated in accordance with the instructions 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 ear head protection and safety shoes at all times when operating the tool Do not overreach Maintain proper footing and bal ance at all times Do not inspect or clean the tool while the hydraulic power source is connected Accidental engagement of the tool can cause serious injury Supply hoses must h
36. tion 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 This 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 NOTICE 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 4 CR27 User Manual STANLEY SAFETY PRECAUTIONS Tool operators and maintenance personnel must always comply with the safety precautions given in this manual and on the
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