Matweld 06900 User manual

632South3rdStreet
P.O.Box2816•Paducah,KY42002
270-444-0085
Fax:[phone]
Website:www.matweld.com
Email:[email protected]
MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
TheMatweld Multi-PurposeGrinder
allowsoperators to remain inan
ergonomicuprightpositionwhile
performingmultiplegrindingtasks.
Lightweightandwiththe adjustable
positionsofthe grinding head andrail
guide, multiple grinding tasks can be
achieved easily all with this one tool.
Fieldweld grinding, switchpoints
andevenfrogs,thisgrinder can
handleitall. The adjustable rear
handlepositions easily for the
operatorspreferredheightand
comfortorloweredandswiveled
aroundforcompactstorage.
FLOW
10 gpm
(38 lpm)
PRESSURE
2000 psi
(140 bar)
RPM
4000
DIMENSIONS
A - 40"
B - 24"
C - 34"
WEIGHT
36 lbs
(16.36kg)
ACCESSORIES:
00499-GRINDINGSTONE
C
A B
patent no. 6,663,476
03/08
06900 MULTI-PURPOSE GRINDER
w/TRIGGERCABLEASSEMBLY
06950 MULTI-PURPOSE GRINDER
w/TRIGGERBAILASSEMBLY

2
MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08

3
MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
GENERAL SAFETY PRECAUTIONS:
TOOL OPERATORS AND MAINTENANCE PERSONNEL MUST ALWAYS COMPLY WITH THE
SAFETY PRECAUTIONS GIVEN IN THIS MANUAL, AND WITH ALL STICKERS AND TAGS AT-
TACHEDTOTHETOOLANDHOSE. ALLSAFETYPRECAUTIONSAREGIVENFORYOURSAFETY.
READTOUNDERSTANDAND FOLLOWALLSAFETY,MAINTENANCEAND OPERATION INSTRUC-
TIONS BEFORE YOU USE OR MAINTAIN THE TOOL. REVIEW THE MANUAL DAILY BEFORE
USING THE TOOL. IN ADDITION, FOLLOW ALL SAFETY GUIDELINES GIVEN YOU BY YOUR
SUPERVISOR. DO NOT USE THE TOOL IF YOU HAVE ANY QUESTIONS ABOUT THE OPERA-
TION, SAFETY OR MAINTENANCE OF THIS TOOL. FAILURE TO FOLLOW THESE INSTRUC-
TIONS CAN RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE.
MATWELD HAS NO CONTROL OVER TOOL USE OR OPERATION ONCE IT LEAVES THE
MATWELD PLANT. MATWELD HAS NO CONTROLOVER OPERATOR OR MAINTAINER SELEC-
TION. THE CUSTOMER MUSTASSUME RESPONSIBILITY FOR THE TOOL’S SUITABILITY FOR
A PARTICULAR FUNCTION. DURING USE OF TOOL, GOOD JUDGEMENT MUST BE USED TO
WORKSAFELYANDEFFICIENTLYWITHOUTENDANGERING THEMSELVES OR BYSTANDERS.
UNDERSTANDING OF THE OPERATION AND MAINTENANCE MANUAL IS ESSENTIAL FOR
ANYONE USING OR MAINTAINING THE TOOL.
• DO NOT OPERATE THE TOOL UNTIL YOU HAVE BEEN THOROUGHLY AND PROPERLY
TRAINED OR UNDER THE SUPERVISION OF AN INSTRUCTOR.
• CHECK POWER SOURCE DAILY TO DETERMINE IF CORRECT FLOWAND PRESSUREARE
AVAILABLE. NEVER EXCEED FLOWS OR PRESSURES FORTHE TOOLBEING USED. PER-
SONAL INJURY OR DAMAGE TO THE TOOL CAN RESULT.
• OPERATORS MUST CLEAR THE WORK AREA OF NONESSENTIAL PERSONNEL. FLYING
DEBRIS CAN CAUSE SERIOUS INJURY.
• THE OPERATOR MUST BE FAMILIAR WITH ALL PROHIBITED WORK AREAS SUCH AS UN-
SAFE GRADES, POOR FOOTINGAREAS AND OVERHEAD HAZARDS.
• MAINTAIN BALANCEAND PROPER FOOTINGATALLTIMES. NEVER OVERREACHTOTHE
EXTENT THATA BROKEN PART OR SUDDEN MOVEMENT OF THE TOOL CAN CAUSE YOU
TO LOSE YOUR BALANCE AND FALL, OR CAUSE INJURY TO YOUR SELF OR SOMEONE
ELSE.

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MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
• WHEN WORKING NEAR ELECTRICAL CONDUCTORS, ALWAYS ASSUME THAT THE CON-
DUCTORSARE ENERGIZEDANDTHAT HOSESAND CLOTHING CAN CONDUCTHARMFUL
ELECTRICITY. USE HOSES LABELEDAND CERTIFIEDAS NONCONDUCTIVE.
• DO NOT OPERATE THE TOOL AT EXCESSIVE FLUID TEMPERATURES OPERATOR DIS-
COMFORTAND POTENTIALBURNS CAN RESULTAT HIGH OILTEMPERATURES.
• NEVER WEAR LOOSE CLOTHING THAT CAN GET ENTANGLED IN THE WORKING PARTS
OF THE TOOLS OR BE CARELESS WITH HANDS, FEET OR OTHER BODY PARTSAROUND
THE WORKING PARTS OF THE TOOLS. HYDRAULIC TOOLS EXERT HIGH TORQUE AND
FORCEAND CAN CAUSE SERIOUS INJURYOR DEATH IF IMPROPERLY USED.
• TOAVOID PERSONALINJURYOR EQUIPMENTDAMAGE,ALLTOOLREPAIR,MAINTENANCE
OR SERVICE MUST ONLY BE PERFORMED BY AUTHORIZED AND PROPERLY TRAINED
PERSONNEL.
• ALWAYSWEARSAFETYEQUIPMENTSUCHASOILINJECTIONRESISTANTWORKGLOVES,
SAFETY GLASSES, SAFETY BOOTS, EAR PROTECTION AND OTHER SAFETY APPAREL
DICTATED BY YOUR SUPERVISORAPPLICABLE FOR THE JOB YOUARE DOING AND THE
TOOLYOUARE USING.
• DO NOT CLEAN INSPECT OR REPAIR THE TOOL WHILE CONNECTED TO THE POWER
SOURCE. ACCIDENTAL ENGAGEMENT OF THE TOOL CAN CAUSE SERIOUS PERSONAL
INJURY.
• OILINJECTIONHAZARDEXISTSWITHTHISTOOL. OILINJECTIONISACONDITIONWHERE
HYDRAULIC OIL IS INJECTED UNDER THE SKIN FROM PRESSURE IN THE LINE. ALWAYS
WEAR GLOVES AND REPAIR ANY LEAKS IMMEDIATELY. NEVER CARRY A TOOL BY THE
HOSES.
• DO NOTUSE DAMAGEDEQUIPMENT. IMMEDIATELYREPLACEANYDAMAGEDHOSES, FIT-
TINGS, OR OTHER COMPONENTS SHOWING WIRE BRAID, NICKS, CUTS, DAMAGE OR
ABRASIONS. FAILURE TO DO SO MAY RESULT IN EQUIPMENT DAMAGE AND / OR PER-
SONALINJURYORDEATH.
• CLEANUPANYOILORFLUID SPILLSIMMEDIATELY.

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MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
HAVE SUPERVISORADDADDITIONAL PRECAUTIONS RELATING TO THE SPECIFIC
WORK AREAAND LOCAL SAFETY REGULATIONS BELOW:
*
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*
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*
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*

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MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
06900 MULTI-PURPOSE GRINDER
SAFETY PRECAUTIONS:
1. ALWAYS WEAR PROTECTIVE EQUIPMENT SUCH AS GLOVES, SAFETY GLASSES, EAR
PROTECTION AND SAFETY SHOES.
2. DO NOT WEAR CLOTHING WHICH MAY BECOME ENTANGLED IN THE TOOL.
3. ALWAYS KEEP WORK AREA FREE OF TOOLS OR ANY OTHER OBJECTS
WHICH MAY IMPAIR SOUND FOOTING.
4. CAUTION OIL INJECTION HAZARD EXISTS WITH THIS TOOL. OIL INJECTION IS A CONDI-
TION WHERE THE HYDRAULIC OIL IS FORCED UNDER THE SKIN THROUGH PRESSURE
IN THE LINE.ALWAYS WEAR GLOVES, DO NOT CARRYTHE TOOLBYHYDRAULIC HOSES,
AND REPAIR LEAKS IMMEDIATELY..
5. NEVER CHANGE STONES WITH THE POWER SOURCE VALVE(S) IN THE “ON” POSITION,
TURN THE POWER SOURCE “OFF”.
6. NEVER ATTEMPT TO CARRY THE GRINDER WITH THE POWER SOURCE IN THE “ON”
POSITION, TURN THE POWER SOURCE “OFF”.
7. NEVER TOUCH OR TRY TO STOP A MOVING STONE.
8. ALWAYS CHECK THE WORK AREA FOR ANY TRASH WHICH MAY IGNITE FROM SPARKS.
9. ALWAYS CHECK THE AREA FOR SMOLDERING TIES OR TRASH BEFORE LEAVING THE
SITE.
10. WHENCHANGINGSTONES,FOLLOWALLGRINDING STONEMANUFACTURERS INSTRUC-
TIONS FOR SAFETY AND OPERATION. USE ONLY STONES THAT COMPLY WITH ANSI
STANDARDS. BEFORE USING, RUN NEW GRINDING STONE FOR ONE MINUTE AT FULL
SPEED TO CHECK FOR DEFECTS OR VIBRATION.
11 MOSTHYDRAULICOILSHAVEAFLASHPOINTOFAPPROXIMATELY450DEGREES (F). MAKE
SURE HOSESARE COMPLETELY CLEAR OF SPARKSAND HOT DEBRIS. HAVEANOTHER
PERSON STAND CLOSE TO HYDRAULIC POWER SOURCE CONTROLS TO OBSERVE OP-
ERATIONAND FOR EMERGENCY SHUTDOWN IF NECESSARY.

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MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
PIVOT
12
3
06900 MULTI-PURPOSE GRINDER
FLOW: 10GPM(38 LPM)
PRESSURE: 2000 PSI (140 BAR)
ROTATION: COUNTER CLOCKWISE
RPM: 4000
OPERATION:
1. WITH THE POWER SOURCE IN THE “OFF” POSITION, CONNECT THE HOSES. DO
NOTDRAGTHESERVICE HOSE BY PULLING WITH THE TOOL. LOOP THE SERVICE
HOSEINTHEWORKAREAINSUCHAWAYTORELIEVE STRESS ONTHE HOSEAND
QUICK DISCONNECT FITTINGS WHILE WORKING. BEAWARE OF HOSE LOCATION
ATALLTIMES.
2. CONNECT THE TOOL TO THE POWER SOURCE.
3. GRASP THE TOOL FIRMLY BEFORE TURING ON THE VALVE OR ENGAGING THE
TRIGGER. THERE WILL BE A SLIGHT TORQUE REACTION WHEN THE STONE IS
ACTIVATED.
POSITION 1
THE STONE IS INTHE HORIZONTAL POSITION.THE
HOOK ISALSO USED IN THIS POSITION. THIS POSITION
IS PRIMARILY USED FOR COMPLETE THERMITE WELD,
PROFILEBLENDINGANDREMOVAL.
3
2
1
PIVOT
POSITION 2
THE STONE IS IN THE 45 DEGREE POSITION. THE
WHEEL WITH THE BOTH FLANGES IS USED. THIS
POSITION IS PRIMARILY USED FOR SWITCH UNDER
CUTTINGAND ROLLOVER REMOVAL.
GRINDINGHEADPOSITION

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MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
06900 MULTI-PURPOSE GRINDER
12
3
PIVOT
POSITION 3
THESTONEISINTHEVERTICALPOSITION. THE
WHEELAND ONE FLANGE IS USED. THIS POSITION
IS PRIMARILY USED FOR FROG POINTAND ROLL
OVERGRINDING.
NOTE: USE BOTH FLANGES ON THE RAIL WHEEL IN
THISPOSITIONFORSTRAIGHTRAIL ROLL OVER
GRINDING.
RAIL GUIDE POSITION
POSITION 1
USE THE RAIL HOOK IN THE DOWN
POSITION FOR FIELD WELD GRINDING.
POSITION 2
USE THE RAIL HOOK IN THE UP POSITION
FORALLOTHERGRINDINGAPPLICATIONS.

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MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
06900 MULTI-PURPOSE GRINDER
MAINTENANCE:
1. CHECK TOOL DAILY FOR PROPER OPERATION, LEAKS, OR DAMAGE.
2. INSPECT HOSES DAILY. REPLACE CUT, BURNED, OR OTHERWISE DAMAGED HOSES.
3. KEEP QUICK DISCONNECT COUPLERS CLEAN AND LUBRICATED.
4. USE HYDRAULIC FLUIDS THAT COMPLY WITH HTMASPECIFICATION 5.7, THE HYDRAULIC
FLUID SHOULD HAVEA VISCOSITY BETWEEN 100AND 400 SSU (20-82 CENTISTOKES)AT
THEMAXIMUMANDMINIMUMEXPECTEDOPERATINGTEMPERATURES.PETROLEUMBASED
HYDRAULICFLUIDS WITHANTI-WEAR PROPERTIESANDAVISCOSITYINDEXOF OVER 140
WORK FOR A WIDE RANGE OF OPERATING CONDITIONS.
THE FOLLOWING OILS MEET HTMA SPECIFICATION 5.7:
AMOCORYKONMV CITGOA/WALLTEMP
SUNVIS706 MOBILD.T.E.13
CHEVRONEP-MV TEXACO “RANDO”HDAZ
OTHER FLUIDS THAT MEET OR EXCEEDTHIS SPECIFICATION CAN BE USED.
*SEE COLD WEATHER OPERATION HYDRAULIC OILNOTE.
5. HAVE TOOL INSPECTED, AT LEAST ANNUALLY, BY MATWELD OR A MATWELD QUALIFIED
SERVICE REPRESENTATIVE TO DETERMINE IF TOOL IS IN NEED OF SAFETY CHANGES
OR WORN PART REPLACEMENT.
6. CONTACT MATWELD ON A PERIODIC BASIS, AT LEASTANNUALLY, FOR SERVICE BULLE-
TINS,SAFETYNOTICES,OR OTHERIMPORTANTINFORMATIONPERTAININGTOTHISTOOL.
COLD WEATHER OPERATION:
HYDRAULIC SYSTEM PERFORMANCE IS AFFECTED WHEN THE TEMPERATURE DROPS BE-
LOW 50 F. THEREFORE MEASURES SHOULD BE TAKEN TO PRE-WARM TOOLS AND FLU-
IDS BEFORE OPERATING.

10
MATWELD, INC. PHONE:[phone] FAX:[phone]
Matweld reserves the right to change parts, features, or specifications without notice.
03/08
06900 MULTI-PURPOSE GRINDER
CHANGING THE GRINDING STONE:
1.) DISCONNECT THE TOOL FROM THE POWER SOURCE.
2.) ROTATE THE STONE SLOWLY BY HAND WHILE DEPRESSING THE SHAFT LOCKING PIN
MECHANISM (LOCATED ON THE SIDE OF THE GUARD CASTING).
3.) WHENTHEPINENGAGES,LOCKINGTHE SHAFT,REMOVETHE NUTHOLDINGTHESTONE
AND FLANGES TO THE SHAFT
4.) INSTALL THE NEW STONE. BE SURE THAT THE FLANGES HAVE BEEN REPLACED AND
THAT THE GRINDING STONE IS EQUIPPED WITH A BLOTTER.
5.) TIGHTEN THE NUT ON THE SHAFT. DO NOT OVER TIGHTEN AS THIS MAY CAUSE THE
STONE TO FAIL WHILE IN USE.
6.) RELEASETHE LOCKING MECHANISMAND CHECKTOMAKE SURE ITISRELEASED FROM
THE SHAFT BEFORE BEGINNING TO USE.
• REFER TO MANUFACTURER’S SPECIFICATIONS FOR TORQUE SETTINGS ON STONE
ATTACHMENT
GENERAL NOTES: