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Stanley Black & Decker CR27 - page 1
© 201 1 Stanley Black & Decker , Inc. New Britain, CT 06053 U.S.A. 30673 6/2012 V er . 6 S afety , O pera tiOn and M aintenance USer ManUaL CR27 HYDRAULIC CIRCULAR SA W ...
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Stanley Black & Decker CR27 - page 2
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Stanley Black & Decker CR27 - page 3
CR27 User Manual ◄ 3 T ABLE OF CONTENTS SERVICING: This manual contains safety , operation, and routine maintenance instructions. Stanley Hydraulic T ools recommends that servicing of hydraulic tools, other than routine maintenance, must be performed by an au - thorized and certied dealer . Please read the following warning. For the nearest au ...
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Stanley Black & Decker CR27 - page 4
4 ► CR27 User Manual SAFETY SYMBOLS Always observe safety symbols. They are included for your safety and for the protection of the tool. LOCAL SAFETY REGULA TIONS Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and mainte- nance personnel. Safety symbols and signal words, as shown below , are ...
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Stanley Black & Decker CR27 - page 5
CR27 User Manual ◄ 5 SAFETY PRECAUTIONS T ool operators and maintenance personnel must always comply with the safety precautions given in this manual and on the stickers and tags attached to the tool and hose. These safety precautions are given for your safety . Re- view them carefully before operating the tool and before performing general maint ...
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Stanley Black & Decker CR27 - page 6
6 ► CR27 User Manual 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 ...
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Stanley Black & Decker CR27 - page 7
CR27 User Manual ◄ 7 ELECTRICAL HAZARDS 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 ...
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Stanley Black & Decker CR27 - page 8
ELECTRICAL HAZARDS 8 ► CR27 User Manual T able 1. Minimum approach distances from energized conductors for qualied line-clearance arborists and qualied line-clearance arborist trainees. Nominal V oltage kV phase-to-phase Includes 1910.269 elevation factor , sea level to 5000 ft 1 ) Includes 1910.269 elevation factor , 5001–10,000 ft 1 ) I ...
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Stanley Black & Decker CR27 - page 9
ELECTRICAL HAZARDS CR27 User Manual ◄ 9 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 identied hazard. While climbing, the arborist should climb on the side of the tree that is away from energized electrical conduc- tors as ...
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Stanley Black & Decker CR27 - page 10
10 ► CR27 User Manual T OOL STICKERS & T AGS Fa ilure to use hydraulic hose labeled and certified as non-conductive when using hydraulic tool so n or near electric lines ma yr esul ti n deat ho r Fo rp roper and safe operatio nr ead owner sm anual and mw ke sure that you have been properly trained in correct procedures require df or work seri ...
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Stanley Black & Decker CR27 - page 11
CR27 User Manual ◄ 1 1 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 T ools. They are: Certied non-conductive — constructed of t ...
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Stanley Black & Decker CR27 - page 12
12 ► CR27 User Manual HOSE RECOMMENDA TIONS Oil Flow Hose Lengths Inside Diameter USE ( Press/Return) Min. Working Pressure GPM LPM FEET METERS INCH MM PSI BAR Certied Non-Conductive Hose - Fiber Braid - for Utility Bucket T rucks 4-9 15-34 up to 10 up to 3 3/8 10 Both 2250 155 Conductive Hose - Wire Braid or Fiber Braid -DO NOT USE NEAR ELECT ...
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Stanley Black & Decker CR27 - page 13
CR27 User Manual ◄ 13 HTMA 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 max. uid viscosity of: (at min. operating temperature) T emperature: Sufcient heat rejection capacity to limi ...
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Stanley Black & Decker CR27 - page 14
14 ► CR27 User Manual OPERA TION PREOPERA TION PROCEDURES PREP ARA TION 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 ...
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Stanley Black & Decker CR27 - page 15
CR27 User Manual ◄ 15 OPERA TION 13 OPERA TION BLADE INST ALLA TION 1. Handle the saw blade with care. The cutting edges are sharp and careless handling could result in injury . 2. Install the blade over the motor shaft and onto the fi xed collar so that the points of the teeth on the blade are facing clockwise as viewed from the front of the mo ...
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Stanley Black & Decker CR27 - page 16
16 ► CR27 User Manual OPERA TION 4. In sawing limbs which have a tendency to split or tear when making a single saw ush cut, Figure 4, it is advisable to make more than one cut. The rst cut is made a few inches from the point of the ush cut removing the weight of the limb being trimmed out and leaving a short stub. The stub is then us ...
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Stanley Black & Decker CR27 - page 17
CR27 User Manual ◄ 17 OPERA TION AFTER OPERA TION 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. 4. When the saw is not in use, store horizontally in a clean, dry space and ...
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Stanley Black & Decker CR27 - page 18
18 ► CR27 User Manual OPERA TION Figure 8. Setting Cutter T ooth Angle COLD WEA THER OPERA TION If the saw is to be used during cold weather , preheat the hydraulic uid at low engine speed. When using the normally recommended uids, uid temperature should be at or above 50 °F/10 °C (400 ssu/82 centistokes) be- fore use. ...
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Stanley Black & Decker CR27 - page 19
CR27 User Manual ◄ 19 T OOL PROTECTION & 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 ...
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Stanley Black & Decker CR27 - page 20
20 ► CR27 User Manual 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 ow and pressure to the saw as listed in the table. Use a owmeter kno ...
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Stanley Black & Decker CR27 - page 21
CR27 User Manual ◄ 21 SPECIFICA TIONS Capacity............................................................................................................................9 in. Diameter/23 cm Blade Pressure Range ................................................................................................................ 1000–2000 psi/70–14 ...
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Stanley Black & Decker CR27 - page 22
22 ► CR27 User Manual CR27 P ARTS ILLUSTRA TION ...
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Stanley Black & Decker CR27 - page 23
CR27 User Manual ◄ 23 CR27 P ARTS LIST ITEM P ART NO. QTY DESCRIPTION 1 00042 2 OIL TUBE ASSY 2 24829 1 OUTER TUBE ASSY 3 18089 6 CAPSCREW , BUTTONHEAD, 1/4-20 × 3/8 4 00227 1 FIXED COLLAR 5 00103 1 RET AINING RING 6 07407 2 CAPSCREW , HEX SOCKET HEAD, 10- 32 × 3/4 7 001 18 1 RET AINING RING 8 00008 1 RET AINING RING 9 00007 1 BALL BEARING 10 2 ...
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Stanley Black & Decker CR27 - page 24
Stanley Hydraulic T ools 3810 SE Naef Road Milwaukie, Oregon 97267-5698 USA (503) 659-5660 / Fax (503) 652-1780 www .stanleyhydraulic.com IMPORT ANT T o ll out a Product Warranty Recording form, and for information on your warranty , visit Stanleyhydraulic.com and select the W arranty tab. ( NOTE: T he warranty recording form must be submitted t ...
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