General Safety and Maintenance Manual MODELS 52
Contents
1. Fenrytool T 52 HS Imelusirial Tools at Wenk 52 HSJ General Safety and Maintenance Manual 52 HG MODEL 52HSJ HORIZONTAL GRINDER WITH CONE WHEEL INSTALLED 2 H P HORIZONTAL GRINDERS Case Weight Working Throttle Power Overall Air Con Spindle Length amp Type Thread Rated Speed Mate P Output rial l STEEL Lenght sump 8 3 Lbs 3 8 Kg T1 5 8 11 X 2 1 Inch 53 3 mm Model L Lever or K Safety Lever 6000 9000 or 12 000 21 3 Inches 546 mm CW 5 8 11 X 0 9 Inch 23 mm 9 3 Lbs 4 2 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 FAX 216 291 5949 OR 800 303 2800 EMAIL DAVIIDHOMSN COM e WEBSITE WWW HENRYTOOLS COM General Operators Instructions and Service Manual LSCS 9 8 008 49 LLOL L6Z 9LC ONI STOOL A3INHH 3 2 m s Nn E F v v o 3 9 3 z o 4 r N n v o o z Model 52H grinder wih 6 Guard S vVM2 t 004 HOLdVOYV lade 3NOO squvno a F8L 00LL F60 00LI SIJHON3HM QNLS LL 8 8 L8EZ98 itik Z X LL 8 5 z8c498 S3 l NIids RPM GOVERNOR For additional product information visit our website Revised 02 19 12 Page 308 General Operators Instructions and Service Manual Model 52H grinder wih 6 Guard LIVE HANDLE ASSEMBLY Model 52HSJ grinder wih Cone Wheel installed2. 650 55 v rz 5 LIV 650 1 ALS er d ead etg Hase 550 33 SP 550 33 5W 550 33 L D NPT ANN RU D hc 1555 1 2 x 1 2 33 3 8 1 2 PTIONAL 550 49 OPTIONAL 200 9 O Ring 500 46 550 33 L Live Handle Adaptor bushing 550 33 SW Screen Filter 550 33 5P Spacer 55038 Lever 55050 levrPin 0 560 13 Throttle Valve Assembly Ro il with 200 9 O ring installed 600551 PlungerSpring 650 1 AL Live Handle Body Non Lockout type 650 1 ALS SafetyLockValveBody Bare 650 33 ScreenBushing 1 2x3 8 650 54 SafetyLockPin 650 55 Safety Lock Spring amp 650 56 SafetyLockLever Part Number 650 57 Set Screw 841555 ASSEMBLIES AA 650 1 AL AA 650 1 ALS MODELS 92 HL 52 HS 52 HSJ 52 HG Description www HenryTools com Page 309 For additional product information visit our website Revised 02 19 12 HENRY TOOLS INC 216 291 1011 or 800 826 5257 General Operators Instructions and Service Manual Model 52H grinder wih 6 Guard PART NO DESCRIPTION ROTOR LOCK NUT 52H SPINDLE 5 8 11 STUB SPINDLE for MOUNTING CONE WHEELS APPLICATIONS 52H GUARDS 5206 1 GUARD 6 52H series WRENCHES 1100 094 15 16 WRENCH 110 181 1 13 16 WRENCH Model 52HSJ grinder wih Cone Wheel installed MODELS 52 HL 52 HS 52 HSJ 52
3. DISCON NECTED FROM THE AIR SUPPLY LINE GRINDING WHEEL SELECTION CRACKED OR FAULTY GRINDING WHEELS OR DISCS ARE DANGEROUS AND SHOULD NOT BE USED Care must be exercised in the installation of the wheel and handling of the tool with grinding wheel attached We recommend that you exercise caution when selecting the proper grinding wheel for use with your grinder and for work to be performed Both efficiency and safety depends upon your proper selection of the grinding wheel Never use a wheel rated below the actual tool free speed www HenryTools com Page 310 For additional product information visit our website Revised 02 19 12 HENRY TOOLS INC 216 291 1011 or 800 826 5257 General Operators Instructions and Service Manual Model 52H grinder wih 6 Guard NOTE ALWAYS CHECK THE RPM BEFORE IN STALLING A NEW GRINDING WHEEL Upon mount ing the new wheel the tool should be run at operating speed minimum one 1 minute with the safety guard in place making sure that no one is in the unguarded plane of wheel rotation or in a protective enclosure to insure the balance and integrity of the wheel LUBRICATION 1 An air line filter regulator lubricator should be lo cated as closely as possible to the tool 2 Clean out dirt and moisture from air hoses daily Keep screen handle bushing in tool 3 OIL TOOLS DAILY Exxon s Spinesstic 10 Atlantic richfield s Duro 55 Gulf s Gulfspin 10 or an equivalent is recommend
4. 75 85 ft Ibs MOTOR During reassembly of the motor the rotor must be p sitioned by the rotor collar 864515 so that when assembled the rotor will have 001 to 002 clearance between it and the front bearing plate To set the rotor collar assemble the front rotor bearing in to the front bearing plate and measure the depth of the inner race from the face of the bearing plate Select or fit by sanding a rotor collar 001 to 002 larger than this dimension Clamp the rotor body in the vise spline end up and slip the rotor collar chamfered side first on the rotor shaft and drive the bearing plate and beari DRIVE ON THE INNER RACE down on the rotor collar Screw the rotor lock nut 842627 down and torque to 50 60 ft Ibs The governor left hand thread should now be installed and torqued to 15 20 ft lbs during reassembly AFTER REASSEMBLY OF THE COMPLETE TOOL THE RPM WIL NEED TO BE CHECKED CAUTION BE SURE TO CHECK THE TOOL FOR PROPER SPEED WITH A DEPENDABLE TACHOMETER BEFORE RE4 TURNING THE TOOL TO SERVICE To adjust the rpm rotate the governor adjusting ring in a clockwise direction to increase the rpm and counterclockwise direction to lower the rpm Reinstall all safety devices especially the wheel guard before returning the tool to service www HenryTools com Page 311 For additional product information visit our website Revised 02 19 12 W HENRY TOOLS INC 216 291 1011 or 800 826 5257 e
5. HG GOVERNORS 510066 GOVERNOR 6000RPM STANDARD 510067 GOVERNOR 9000 RPM 510069 GOVERNOR 12000RPM REPAIR KITS 510112 REPAIR KITS INCLUDES ALL BEARINGS ROTOR BLADES and SNAP RINGS OPERATION The 52H series horizontal grinder is designed to operate on 90 psig maximum air pressure The tool is equipped with a 1 2 NPT air inlet bushing and will operate satis factorily on a 1 2 hose up to 8 in length OPERATING SAFETY CAUTION ALWAYS HAVE THE PROPER WHEEL GUARD ATTACHED TO THE GRINDER NEVER MODIFY ANY PART OF THIS GRINDER OR IT S ACCESSORIES Read understand and practice the requirements of A N S I B186 1 1975 Safety Code for Portable Air Tools This standard is available from the American National Standards Institute Inc 1430 Broadway New York New York 19918 ALWAYS WEAR IMPACT RESISTANT EYE AND FACE PROTECTION WHEN INVOLVED IN OR NEAR THE OPERATION OF ABRASIVE TOOLS SEE THE LATEST EDITION OF ANSI Z84 4 AMERICAN NATIONAL STANDARD FOR OCCUPATIONAL AND EDUCATIONAL EYE AND FACE PROTECTION The Grinder free speed should be checked daily before beginning operations with a dependable tachometer with the grinding wheel removed The rated rpm of the tool is stamped on the tool name plate Check each new wheel or disc for maximum safe speed and soundness Keep all persons out of line with wheel or disc whenever starting tool IMPORTANT BEFORE MOUNTING OR REMOVING ANY ABRASIVE WHEEL THE TOOL SHOULD BE
6. ed Pour about 1 20z in air inlet and run tool to allow oil to be carried to the interior DISASSEMBLY Slip the rubber grip 867370 forward expose the flats on Ihe housing 867378 Clamp the housing in a soft jawed vise with the handle up and unscrcw the handle assembly The complete motor unit may now be slipped out the rear of the housing Remove the housing from the vise and unscrew the arbor nut This will allow the arbor washer collar retainer arbor collar and arbor key to be removed from the the arbor This completes dis assembly of the tool into three 3 major assemblies See the following paragraphs for complete disassembly instructions HOUSING Clamp the housing in the vise and unscrew left hand threads the arbor bearing retainer 540258 This will allow the arbor with attached components to be removed from the front of the housing Remove the coupling 867371 from the rear of the arbor If re placement of the arbor bearings is necessary they may be pressed off the arbor shaft MOTOR Clamp the rotor lock nut 842627 in the vise with the governor assembly up Unscrew the governor 867170 LEFT HAND THREAD Remove the motor unit from the vise and clamp on the cylinder with the threaded end of the rotor up Drive the rotor 867367 out of the rear bearing 864522 being careful not to damage the threads Remove the cylinder 867377 and three 3 rotor blades 864562 from the rotor Clamp the body of the rotor i
7. n the vise with the splined end up and unscrew the ro tor lock nut This will allow the rotor to be driven out of the front rotor bearing 844363 HANDLE The only part of the valve which may require replacement is the o ring 200 9 To replace this ring unscrewplug 700 S 26 and lift out valve spring 600 51 and plunger 560 13 Remove the o ring with sharp tool and replace with a new ring Model 52HSJ grinder wih Cone Wheel installed MODELS 52 HL 52 HS 52 HSJ 52 HG REASSEMBLY The tool is reassembled in the reverse order of disassembly All parts should be thoroughly cleaned and inspected fro wea before reassembly Particular attention should be paid to the rotor blades and all bearings as failure of these parts could cause damage to the more expensive components Rotor blades should be replaced if they measure less than 5 16 at either end Ball bearings should be replaced if they are rough or show excessive looseness Pack bearings with a generous amount of No 2 Moly grease before reassembly ALL BEARING SHOULD BE INSTALLED WITH THE SHIELDED SIDE TO THE REAR OF THE TOOL HOUSING Install the front arbor bearing 864524 by press ing on to shaft If you are replacing the seal 596001 press the seal into arbor bearing retainer 540258 When installing the arbor bearing retainer 540258 apply grade CVV Loctite blue to the threads left hand before screwing it into the housing The retainer should then be torqued to
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