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Stanley Black & Decker GR30 manual

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Table of contents for the manual

  • Page 1

    © 2014 Stanley Black & Decker , Inc. New Britain, CT 06053 U.S.A. 49237 2/2015 V er . 5 USER MANUAL Safety , Operation and Maintenance GR30 HYDRAULIC GRINDER[...]

  • Page 2

    2 ► GR30 User Manual DECLARATION OF CONF ORMI TY ÜBEREINSTIMM UNGS - ERKLARUNG DECLARATION DE CONFOR MITE CEE DECLARACION DE CONFO RMIDAD DICHIARAZIONE DI CONFORM ITA Hydraulic Tools _______ _________ ___________ ___________ _________ ___________ _________ ___ I, the undersigned: Ich, der Unterzeichnende: Je soussi gné: El abajo firmante: lo so[...]

  • Page 3

    GR30 User Manual ◄ 3 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 authorized and certied dealer . Please read the following warning. For the nearest authorized and certie[...]

  • Page 4

    4 ► GR30 User Manual 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 used to emphas[...]

  • Page 5

    GR30 User Manual ◄ 5 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 maintenance or repairs. [...]

  • Page 6

    6 ► GR30 User Manual • W arning: Hydraulic uid under pressure could cause skin injection injury . If you are injured by hydraulic uid, get medical attention immediately . • Keep the wheel off all surfaces when starting the grinder . • Always carry the tool with the wheel stopped. • Make sure the wheel has stopped before setting down[...]

  • Page 7

    GR30 User Manual ◄ 7 28322 CE Decal 28409 Composite Decal SAFETY T AG P/N 15875 (shown smaller then actual size) DANGER DANGER READ OPERA TION MANUAL AND SAFETY INSTRUCTIONS FOR THIS TOOL BEFORE USING IT . USE ONL Y P ARTS AND REP AIR PROCEDURES APPROVED BY ST ANLEY AND DESCRIBED IN THE OPERA TION MANUAL. T AG TO BE REMOVED ONL Y BY TOOL OPERA TO[...]

  • Page 8

    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 T ools. They are: Certied non-conductive — constructed of thermoplastic [...]

  • Page 9

    GR30 User Manual ◄ 9 Oil Flow Hose Lengths Inside Diameter USE ( Press/Return) Min. Working Pressure GPM LPM FEET METERS INCH MM PSI BAR Certied 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 ELECTRICAL CONDUCT ORS 4-6 1[...]

  • Page 10

    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. uid viscosity of: (at min. operating temperature) T emperature: Sufcient heat rejection capacity to limit max. uid temp[...]

  • Page 11

    GR30 User Manual ◄ 1 1 PRE-OPERA TION 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 efcient and reliable service. GRINDING WHEEL REPLACEMENT Always disconnect the hydraulic power source from the grinder before[...]

  • Page 12

    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 ttings with a clean, dry lint-free cloth to remove any dirt or [...]

  • Page 13

    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. IMPORT ANT 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 with the instructions for Hydraulic Hose Conne[...]

  • Page 14

    14 ► GR30 User Manual ST ARTUP At the beginning of each shift, or after a new wheel is installed, run the grinder at operating speed for at least one minute before starting work. • Move the hydraulic system control valve to the ON position. • Slowly squeeze the trigger . • Run the grinder at least one minute. • Release the trigger . If ex[...]

  • Page 15

    GR30 User Manual ◄ 15 NO TICE 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[...]

  • Page 16

    16 ► GR30 User Manual This section describes how to nd and resolve problems users may experience. If a situation occurs that is not covered, call your Stanley Customer Service represen- tative for assistance. Symptom Possible Cause Solution T ool does not operate. Hydraulic control valve OFF . T urn the hydraulic system control valve ON. Hydra[...]

  • Page 17

    GR30 User Manual ◄ 17 Symptom Possible Cause Solution Fluid gets hot, power unit working hard. Open-center tool on closed-center circuit. T ool designed for open-center hydraulic system. T oo much uid going through tool. Adjust ow for 9 gpm/34 lpm maxi - mum. Circuit generating high heat with ow controls, open relief valve, etc. Use pump[...]

  • Page 18

    18 ► GR30 User Manual Flow Range ................................................................................................................................. 7–9 gpm/26–34 lpm LPM Optimum ow ................................................................................................................................ 8 gpm/30 lpm Pre[...]

  • Page 19

    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 1 1 13 56 19 17 50 51 14 20 55 57 60 32 58 71 72 5 33 52 GR30 P ARTS ILLUSTRA TION[...]

  • Page 20

    20 ► GR30 User Manual ITEM P ART NO. QTY DESCRIPTION 1 00026 2 O-RING 3/16 × 5/16 × 1/16 -008 2 00231 6 LOCKW ASHER 5/16" ID 3 00285 1 ROLL PIN 1/8 OD × .625 LG (GR3070101 ONL Y) 4 00354 1 O-RING 1/2 × 1 1/16 × 3/32 -1 12 5 00358 2 RIVET 1/8 #42 (GR3070101 ONL Y) 6 00713 2 DOWEL PIN 7 00717 1 O-RING 1/4 × 3/8 × 1/16 -010 8 00720 1 SET[...]

  • Page 21

    GR30 User Manual ◄ 21 ITEM P ART NO. QTY DESCRIPTION 73 59049 1 MAIN HOUSING ASSY (INCL ITEMS 16, 43) 74 60677 1 TRIGGER CASTING 75 60678 1 TRIGGER MOUNT CASTING 76 65480 1 SPRING 77 60681 1 TRIGGER LOCK CASTING 78 350041 1 HOLLOW HEX PLUG -4 SAE 79 350770 1 O-RING .351 × .393 × .072 -904 60793 1 SEAL KIT GR30 P ARTS LIST[...]

  • Page 22

    Stanley Hydraulic T ools 3810 SE Naef Road Milwaukie, Oregon 97267-5698 USA (503) 659-5660 / Fax (503) 652-1780 www .stanleyhydraulics.com[...]