General Safety and Maintenance Manual MODELS
Contents
1. Lubricate the motor with an air line lubricator using a light air motor oil Adjust the lubricator to dispense one drop per cycle or three drops per minute CAUTION Do not use substitutes for oil and grease This could result in damage to the tool MAINTENANCE 1 Proper and continuous lubrication 2 Blow out air hose to assure a clean air supply 3 Be sure the air filter and line lubricator are clean 4 Fill the line lubricator before operation 5 Place a few drops of oil into the air inlet of the tool be fore attaching the air line 6 Use moisture separators to remove water from the air line 7 An air line filter regulator lubricator should be located as closely as possible to the tool 8 Keep screen handle bushing in tool WARNING Disconnect the air supply hose before servicing the tool Disassembly 1 Secure tool in vise vertically with output of tool oriented toward upward direction Clamp onto the flats toward the rear of the motor housing 2 Unscrew motor retainer 403 38 from motor housing 402 132 Lift off exhaust deflector 410 G 17 S and o ring 400 51 if worn from motor housing Remove motor as sembly from housing 3 Secure motor assembly into vise vertically with output in the downward direction Clamp onto flats on the collet body 1100 672 4 Remove snap ring 404 39 from rear end plate 404 19 with use of snap ring pliers 5 Lift out bearing cover 404 38 and o ring 594016 6 Rem2. eee MODELS 7 ryv OS 4123 GL i 4123 GL 6 Industrial Tools at Wenk 4123 GLS General Safety and Maintenance Manual SUPER HEAVY DUTY DIE GRINDER SERIES Model 4123GLS Die Grinder shown with mounted stone lt ac 4123GLS 6 Model with super extended length spindle shown above SUPER HEAVY DUTY DIE GRINDER SERIES Air Model Exhaust Throttle Power Case A Number Direction Type Speed Output Material j tengtniDiameter SeN ecllctsie 4123G Side L Lever 1 6 1b 0 7 2 01b 0 9 6 6 inch A 1 8 1 4 Side is or to g g 167 mm inches 11 8 L S 5 16 3 8 4123G 6 Standard K Safety i 1 81b 0 8 2 5 12 3 inch Lever R P M Kg Ib 1 1 312mm Kg THE HENRY TOOL CO MANUFACTURED BY HENRY TOOLS 498 SO BELVOIR BLVD SOUTH EUCLID OH 44121 U S A PH 216 291 1011 OR 800 826 5257 o FAK 216 291 5949 OR 800 303 2800 EMAIL DAVIIDHOMSN COM o WEBSITE WWW HENRYTOOLS COM General Operators Instructions and Service Manual LSZS 97Z8 008 10 LLOL L6Z 9LZ ONI STOOL AUNHH 4123 GL 6 MODELS 4123 GL 4123 GLS 4123GLS 6 Model with super 4123GLS Model shown with mounted stone extended length spindle shown above 89000LI 8L9 001 5 SLO O0LL Z 9 OOLL e8 E602 I 60 afi L 60 w i W CD a 0 pet zor SZ L 5 0 lF WS LEOP Rr ann O02009 kuk Ee ee ee apean cel 20F 6T ror uS LEOP weg 910265 g
3. 00F iii or6sS For additional product information visit our website Revised 02 26 12 www HenryTools com Page 276 General Operators Instructions and Service Manual 4123GLS Model shown with mounted stone PART NUMBER DESCRIPTION 2091 COWLETNUT O D uNeLuDEs 44302 mogsa sens OOS a026 fevunor SAFETY LEVER 40051 402126 402 127 SAFETY LEVERPIN 402 129 SAFETY LEVERSPRING 402 132 ALUMINUM CASE specify speed eal n SPECIFY SPEED aoaisa MUFFLER 403 7 FRONTENDPLATE aoao snaren o 410 G 17 S STEEL SIDE EXHAUST SLEEVE 700 37 THROTTLE LEVER PIN 1100 672 STANDARD COLLET BODY 1100 678 EXTENDED COLLET BODY 6 ROTOR SPINDLE n mossa aor roToRspacen 590031 FRONT BEARING s9106 serseew SS S SPEED SCS sone 594016 JORING o 832636 GASKET 841552 3 8 NPT TO 3 8 NPT BUSHING 4123GLS 6 Model with super extended length spindle shown above MODELS 4123 GL 4123 GL 6 4123 GLS PART NUMBER DESCRIPTION 841553 3 8 NPT TO 1 4 NPT BUSHING 869311 THROTTLE VALVE CAP ASSEMBLIES 40226 SAFETVLEVERASSY WRENCHES 1100 068 11 16 WRENCH 1100 075 3 4 WRENCH REPAIR KIT REPAIR KIT Model 4123Series in cludes all Bearings Rotor Blades and Snap Rings SAFETY 1 Before operation check spindle speed with a tachom eter If the RPM s exceeds the rated speed stamped on tool servicing is required For safety reasons and
4. product information visit our website Revised 02 26 12 HENRY TOOLS INC 216 291 1011 or 800 826 5257
5. ove snap ring 592016 from groove of rotor 4031 5A 7 Using a soft jawed vise Secure motor as sembly into vise vertically with output toward downward direction Clamp lightly the outside diameter of the cylinder 400 2G and endplate 404 19 8 Use a 3 16 punch to tap spindle out of rear bearing 404 9 Do NOT drop the motor as sembly when it is free Remove from vise 9 Use a small punch to press the rear bearing from the rear endplate 10 Remove the 5 blades 400 6 11 With soft jaws still in vise clamp firmly onto 4123 GL 4123 GL 6 4123GLS 6 Model with super extended 41 23 G LS length spindle shown above rotor 4031 5A with output toward upward position Remove collet body 1100 672 right hand thread Remove from vise 12 Support the rotor assembly on a suitable drill block Press the spindle through the front bearing assy using an arbor press Use a small punch to remove front bearing 590031 from front end plate 403 7 13 OptionaL Step To check throttle valve unscrew throttle valve cap 869311 14 14 Optionat Step Lift out valve spring 400 G 34 and throttle valve 400 G 29 Remove and replace o ring 844302 if cracked or worn Reassembly 1 Be sure that all parts are clean 2 Press bearing 590031 into recessed area of front endplate 403 7 3 Support the front bearing assembly on a suitable drill block Press the rotor 4031 5A into the rear of front endplate and thro
6. product liability prohibit any modifications to tools 2 Inspect carbide burrs or mounted points for bends chips nicks cracks or severe wear If they have any of these prob lems do not use On brushes check for loose wires that may fly off in operation 3 Start new mounted points or burrs under a steel bench Run at full throttle for one minute 4 The 4123 series die grinders are intended for use with Burrs Mounted Stones of shank size 1 8 inch 1 4 inch 5 16 inch 3 8 inch 3mm 6mm 8mm only They are NOT guarded for type 1 wheels If you have a type 1 wheel appli cation please purchase a different model tool 5 At least one half of the mandrel length i e mounted wheel burr etc must be inserted into the collet Secure col let chuck tightly 6 Safety levers are available from the manufacturer 402 26 7 Before mounting or removing a Burr mounted point dis connect the grinder from air supply Wear safety goggles and other protective clothing when necessary See regulations 8 Properly maintained air tools are less likely to fail or cause accidents If tool vibrates or produces an unusual sound repair immediately www HenryTools com Page 277 For additional product information visit our website Revised 02 26 12 HENRY TOOLS INC 216 291 1011 or 800 826 5257 General Operators Instructions and Service Manual MODELS 4123GLS Model shown with mounted stone LUBRICATION
7. ugh front bearing 4 With soft jaws on vise clamp firmly onto rotor 4031 5A with output toward upward position Install collet body 1100 672 right hand thread Remove rotor from vise 5 Secure motor assembly into vise vertically with output in the downward direction Clamp onto flats on the collet body 1100 672 6 Place five blades 400 6 into blade slots 7 Slip cylinder 400 2G over rotor and onto endplate The small pin on face of cylinder should face toward rear to tool 8 Place rear endplate 404 19 onto cylinder Locate the pin of the cylinder into the small hole of the rear endplate 9 Press bearing 404 9 into rear endplate with a suitable bearing driver 10 Install retaining ring 592016 into groove on spindle with snap ring pliers 11 Place o ring 594016 and bearing cover 404 38 into rear end plate 12 Install snap ring 404 39 into groove of reard endplate 13 Secure motor housing 402 132 in vise vertically with output of tool toward upward direction Clamp onto the flats toward the rear of the motor housing 14 Place o ring 400 51 exhaust screen 402 134 and exhaust deflector 410 G 17 S onto motor housing 15 Slide front motor assembly into motor housing Install motor retainer 403 38 Tighten assemblies together 16 Check the operating speed with a reliable tachometer The speed must be at or below the stamped speed on the tool www HenryTools com Page 278 For additional
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