Page 3 - TABLE OF CONTENTS; WARNING; SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR; IMPORTANT
CR27 User Manual ◄ 3 TABLE OF CONTENTS 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...
Page 4 - SAFETY SYMBOLS; LOCAL SAFETY REGULATIONS; DANGER; CAUTION; CAUTION; NOTICE
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 REGULATIONS Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and mainte- nance personnel. Safety...
Page 5 - SAFETY PRECAUTIONS; OFF; CIRCULAR SAW SPECIFIC SAFETY
CR27 User Manual ◄ 5 SAFETY PRECAUTIONS Tool operators and maintenance personnel must always comply with the safety precautions given in this manual and on the stickers and tags attached to the tool and hose.These safety precautions are given for your safety. Re- view them carefully before operating...
Page 7 - ELECTRICAL HAZARDS; Working in Proximity to Electrical Hazards:
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 at...
Page 8 - qualified line-clearance arborist trainees.; ance arborists and qualified line-clearance arborist trainees.
ELECTRICAL HAZARDS 8 ► CR27 User Manual Table 1. Minimum approach distances from energized conductors for qualified line-clearance arborists and qualified line-clearance arborist trainees. Nominal Voltage kV phase-to-phase Includes 1910.269 elevation factor, sea level to 5000 ft 1 ) Includes 1910.26...
Page 9 - STORM WORK AND EMERGENCY
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 identified hazard.While climbing, the arborist should climb on the side of the tree that is ...
Page 10 - D A N G E R
10 ► CR27 User Manual TOOL STICKERS & TAGS Failure to use hydraulic hose labeled and certified as non-conductive when using hydraulic tools on or near electric lines may result in death or For proper and safe operation read owners manual and mwke sure that you have been properly trained in corre...
Page 11 - HOSE TYPES; Certified non-conductive; HOSE SAFETY TAGS; THE TAG SHOWN BELOW IS ATTACHED TO “CERTIFIED NON-CONDUCTIVE” HOSE
CR27 User Manual ◄ 11 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: ...
Page 12 - HOSE RECOMMENDATIONS; Tool to Hydraulic Circuit Hose Recommendations; All hydraulic hose must meet or exceed
12 ► CR27 User Manual HOSE RECOMMENDATIONS Oil Flow Hose Lengths Inside Diameter USE ( Press/Return) Min. W orking Pressure GPM LPM FEET METERS INCH MM PSI BAR Certified 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 - W...
Page 13 - HTMA REQUIREMENTS; HTMA / EHTMA REQUIREMENTS
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. fluid viscosity of: (at min. operating temperature) Temperatur...
Page 14 - OPERATION; PREOPERATION PROCEDURES; ON; SETTING THE DUAL SPOOL FOR OC
14 ► CR27 User Manual 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 ...
Page 15 - CONNECT HOSES; sun may result in making them difficult to connect.; OPERATING PROCEDURES; DO NOT OPERATE A CIRCLE SAW UNLESS YOU
CR27 User Manual ◄ 15 OPERATION 13 OPERATION BLADE INSTALLATION 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 clo...
Page 16 - MAKING CUTS
16 ► CR27 User Manual OPERATION 4. 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 ...
Page 17 - AFTER OPERATION; BLADE SHARPENING; BLADE TEETH; TOP OF CUTTERS
CR27 User Manual ◄ 17 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.4. When the saw is not in use,...
Page 18 - COLD WEATHER OPERATION
18 ► CR27 User Manual 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 centi...
Page 19 - TOOL PROTECTION & CARE
CR27 User Manual ◄ 19 TOOL 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 overhe...
Page 20 - TROUBLESHOOTING; PROBLEM
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 flow and pressure to the sa...
Page 21 - Description
CR27 User Manual ◄ 21 SPECIFICATIONS Capacity............................................................................................................................9 in. Diameter/23 cm Blade Pressure Range ............................................................................................
Page 22 - CR27 PARTS ILLUSTRATION
Page 23 - CR27 PARTS LIST
CR27 User Manual ◄ 23 CR27 PARTS LIST ITEM PART 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 RETAINING RING 6 07407 2 CAPSCREW, HEX SOCKET HEAD, 10- 32 × 3/4 7 00118 1 RETAINING RING 8 00008 1 RETA...
