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E.C. HOPKINS LTD
GR05UW 5" ANGLE GRINDER
OPERATORS MANUAL
AND
PARTS LIST
E.C. HOPKINS LTD
UNIT 82, KETTLES WOOD DRIVE, WOODGATE BUSINESS PARK,
WOODGATE VALLEY, BIRMINGHAM B32 3DB
TEL NO. +44 (0)121 506 6095 FAX NO. +44 (0)121 421 8286
www.echopkins.co.uk
www.underwatertools.co.uk
enquiries@echopkins-bham.co.uk
Version 1 (250118)
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Summary of Contents for Hopkins GR05UW
- Page 1 E.C. HOPKINS LTD GR05UW 5” ANGLE GRINDER OPERATORS MANUAL PARTS LIST E.C. HOPKINS LTD UNIT 82, KETTLES WOOD DRIVE, WOODGATE BUSINESS PARK, WOODGATE VALLEY, BIRMINGHAM B32 3DB TEL NO. +44 (0)121 506 6095 FAX NO. +44 (0)121 421 8286 www.echopkins.co.uk www.underwatertools.co.uk...
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Page 3: Table Of Contents
Contents Page Specifications Intended Use Maintenance Warning Disc Information & Safety Instructions General Safety Safety Precautions Kickback Warning Maintenance (Before & After Use) Operation Disassembly Assembly Illustrated Parts Drawing Parts List Trouble Shooting Warranty EC Declaration of Conformity Accessories 14~16... -
Page 4: Specifications
SPECIFICATION Speed Max. 9450rpm @ 40lpm EHTMA Category ‘E’ 7100rpm @ 30lpm EHTMA Category ‘D’ 4750rpm @ 20lpm EHTMA Category ’C’ Wheel Internal Dia. 22.23mm (7/8”) Wheel Outer Dia. 125mm (5”) Spindle Thread Size Flow Range 20 ~ 40lpm (5 ~ 11 US gpm) Maximum Flow 40lpm (11 US gpm) Hydraulic Oil... -
Page 5: Intended Use
INTENDED USE The GR05UW Angle Grinder is a portable manual lightweight tool designed to be operated with both hands. It is intended for grinding, sanding, cutting and cleaning of metal and stone materials. This Grinder should only be operated by competent, trained operators. -
Page 6: Disc Information & Safety Instructions
Discs Information and Safety Instructions Always be sure to comply with all the accident prevention regulations when using grinding discs and cut-off wheels. The appropriate industrial safety pictograms are found on all discs and wheels. Wear Safety Use hearing Wear Safety Wear Safety Observe Do Not use... -
Page 7: General Safety
GENERAL SAFETY ! The risk of serious injury or even death to yourself or others is a reality when tools and machinery are not operated or maintained correctly. All operators of this Angle Grinder must read this manual and fully familiarise themselves with its operation before use. - Page 8 Safety Precautions (continued) Do not forcibly fit an abrasive wheel as this will pre-stress the wheel and may lead to premature failure. Disconnect from the power source when changing the wheel or working on the grinder. When a new wheel has been fitted run the Grinder for about 15 seconds to ensure the wheel runs true and there is no abnormal vibration.
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Page 9: Kickback Warning
Safety Precautions (continued) Do not use toothed wood cutting wheels. This type of wheel will increase the risk of kickback which could result in serious injury. Do not use worn down wheels from larger tools. They will not be compatible with this ... -
Page 10: Maintenance (Before & After Use)
Maintenance Before use:- Check hose whips for damage or exposed wire braid and replace as necessary. Check the tightness of all fasteners. Check the trigger safety catch and trigger moves freely. Remove oil filler plug (1) and make sure the grinder body has the correct amount of lubricating oil (15W/40). -
Page 11: Disassembly
Disassembly Undo the 2 hose whips and allow them to drain into a suitable container. Remove the grinding disc, support flange (16) and disc guard (50). Undo the 4 screws (12) and pull the bearing housing (15) from the grinder body (19). Note, some oil will spill from the body when it is removed. -
Page 12: Illustrated Parts Drawing
GR05UW PARTS ILLUSTRATION... -
Page 14: Troubleshooting
Troubleshooting Below are various types of faults that may be encountered. Should a fault persist please call our technical helpline +44 (0)121 506 6095 for assistance. PROBLEM PROBABLE CAUSE REMEDY Grinder runs slow Incorrect hydraulic flow Flow test power pack xcessive back pressure Check return line for restrictions Hydraulic oil viscosity too thick... -
Page 15: Warranty
The findings by that supplier as to why the part failed will be binding. With an ongoing design and development program E.C. Hopkins Ltd reserve the right to alter the design or specification of any product without prior notice. -
Page 16: Ec Declaration Of Conformity
Newcat Plant Services Ltd Unit 1, Beta Block, Orchard Trading Estate, Toddington, Cheltenham, Glos. GL54 5EB Declare that: Equipment HYDRAULIC ANGLE GRINDER Model GR05UW Serial Numbers 001 In accordance with the following directives: 2006/42/EC Machinery Directive. Has been designed and manufactured to the following specifications: BS EN ISO 12100:2010... -
Page 17: Accessories 14~16
GR05 ACCESSORIES 5” Diameter Bonded Abrasive Grinding Disc for Stone Description Depressed Centre High Performance, minimal vibration & long life Application Grinding Masonry, Stone, Concrete Materials Stone, Brick, Concrete, Ceramics Part Number GW578DCM Size 125mm x 6.4mm Max Rating 12’200rpm 5”... - Page 18 GR05 ACCESSORIES 5” Diamond Grinding Cup DS300 B Description Cup Grinding Wheel with 18 segments Application High Stock Removal Performance Concrete, Stone, Construction Material Materials Part Number 325362 Size 125mm x 5mm 12’200rpm Max Rating 5” Diamond Cutting Disc DT 600 U Description Fast Cutting Performance, Long Life Cutting...
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Page 19: Accessories
GR05 ACCESSORIES 5” Rapid Strip Disc DPC, Extra Coarse, Harder Density Description Synthetic fibres and coarse silicon carbide grains Application Light Marine Growth, Rust & Paint removal. Surface Preparation Materials Various, Inc. Steel, Stainless Steel & Glass Fibre Part Number RSD30655 Size 125mm DPC... - Page 20 .C. HOPKINS LTD UNIT 82, KETTLES WOOD DRIVE WOODGATE BUSINESS PARK, BIRMINGHAM B32 3DB TEL NO. +44 (0)121 506 6095 FAX NO. +44 (0)121 421 8286 www.echopkins.co.uk www.underwatertools.co.uk enquiries@echopkins-bham.co.uk...
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