Page 2 - All; DECLARATION OF CONFORMITY
2 ► GR30 User Manual DECLARATION OF CONFORMITY ÜBEREINSTIMMUNGS-ERKLARUNG DECLARATION DE CONFORMITE CEE DECLARACION DE CONFORMIDAD DICHIARAZIONE DI CONFORMITA Hydraulic Tools ______________________________________________________________________ I, the undersigned: Ich, der Unterzeichnende: Je souss...
Page 3 - WARNING; SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR; TABLE OF CONTENTS; IMPORTANT
GR30 User Manual ◄ 3 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 warni...
Page 4 - LOCAL SAFETY REGULATIONS; DANGER; CAUTION; CAUTION; NOTICE; SAFETY SYMBOLS
4 ► GR30 User Manual 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 symbols and si...
Page 5 - SAFETY PRECAUTIONS
GR30 User Manual ◄ 5 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 befor...
Page 8 - HOSE SAFETY TAGS; HOSE TYPES
8 ► GR30 User Manual 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 no...
Page 9 - Tool to Hydraulic Circuit Hose Recommendations; HOSE RECOMMENDATIONS
GR30 User Manual ◄ 9 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 ire Braid or Fiber Br...
Page 10 - HTMA / EHTMA REQUIREMENTS
10 ► GR30 User Manual 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) Temperature: Sufficient heat...
Page 11 - PRE-OPERATION PROCEDURES; GRINDING WHEEL REPLACEMENT; HYDRAULIC HOSE CONNECTION
GR30 User Manual ◄ 11 PRE-OPERATION PROCEDURES The GR30 Hydraulic Grinder Requires minimum setup for operation. When the installation and operation in- structions are carefully followed, the tool will provide years of efficient and reliable service. GRINDING WHEEL REPLACEMENT Always disconnect the h...
Page 12 - TEST; PRE-OPERATION CHECKOUT; OPERATION
12 ► GR30 User Manual 1. Make sure the hydraulic system control valve is in the OFF position when coupling or uncoupling the hoses. Failure to do so may result in damage to the quick couplers and cause overheating of the hy- draulic system. 2. Before installing the hoses, wipe the fittings with a cl...
Page 13 - HYDRAULIC POWER SOURCE CHECK; COLD WEATHER OPERATION; OPEN CENTER/ CLOSED CENTER SETUP; TOOL OPERATION
GR30 User Manual ◄ 13 5. Check the tool for oil leaks. If leaks are observed, do not use the tool; have the equipment serviced before use. IMPORTANT Check the speed of the motor output shaft after every 100 hours of operation. HYDRAULIC POWER SOURCE CHECK 1. Connect the hydraulic hoses in accordance...
Page 15 - TOOL PROTECTION & CARE
GR30 User Manual ◄ 15 NOTICE 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 uncoupl...
Page 17 - TROUBLESHOOTING
GR30 User Manual ◄ 17 Symptom Possible Cause Solution Fluid gets hot, power unit working hard. Open-center tool on closed-center circuit. Tool designed for open-center hydraulic system. Too much fluid going through tool. Adjust flow for 9 gpm/34 lpm maxi - mum. Circuit generating high heat with flow...
Page 18 - ACCESSORIES; DESCRIPTION; SPECIFICATIONS
18 ► GR30 User Manual Flow Range ................................................................................................................................. 7–9 gpm/26–34 lpm LPM Optimum flow .........................................................................................................
Page 19 - GR30 Parts Illustration; GR30 PARTS ILLUSTRATION
GR30 User Manual ◄ 19 GR30 Parts Illustration 20 10 16 46 49 16 47 44 48 1 43 73 4 37 45 18 65 2 42 40 31 27 8 28 30 68 39 29 70 26 25 24 66 63 62 54 21 1 38 76 67 78 6 79 12 53 41 7 15 69 74 22 23 77 59 61 75 64 31 9 36 34 3 35 11 13 56 19 17 50 51 14 20 55 57 60 32 58 71 72 5 33 52 GR30 PARTS ILLU...
Page 20 - GR30 PARTS LIST
20 ► GR30 User Manual ITEM PART NO. QTY DESCRIPTION 1 00026 2 O-RING 3/16 × 5/16 × 1/16 -008 2 00231 6 LOCKWASHER 5/16" ID 3 00285 1 ROLL PIN 1/8 OD × .625 LG (GR3070101 ONLY) 4 00354 1 O-RING 1/2 × 11/16 × 3/32 -112 5 00358 2 RIVET 1/8 #42 (GR3070101 ONLY) 6 00713 2 DOWEL PIN 7 00717 1 O-RING 1...