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HYDRAULIC HAMMER

OPERATORS MANUAL

GH SERIES HAMMERS

GH06 GHS2
GH07 GH3

GH1 GH4
GH2 GH6

www.npkce.com

H050-9640A 03-09.doc 03/09

"Use Genuine NPK Parts”

7550 Independence Drive

Walton Hills, OH 44146-5541

Phone (440) 232-7900

Toll-free (800) 225-4379

Fax (440) 232-6294

Содержание GH06

Страница 1: ...H06 GHS2 GH07 GH3 GH1 GH4 GH2 GH6 Copyright 2009 NPK Construction Equipment Inc www npkce com H050 9640A 03 09 doc 03 09 Use Genuine NPK Parts 7550 Independence Drive Walton Hills OH 44146 5541 Phone...

Страница 2: ...MMER 19 DAILY START UP PROCEDURE 19 OPERATION 20 SAFE OPERATING INSTRUCTIONS 20 OPERATING TECHNIQUES PRECAUTIONS 21 ROUTINE INSPECTION AND MAINTENANCE 26 WEEKLY INSPECTION 27 TOOLS 28 STANDARD TOOLS 2...

Страница 3: ...le to the operator while operating the hammer STAY CLEAR PRESSURE VESSEL GAS PRESSURE and TOOL SHARPENING decals are installed on all NPK hammer models Keep them clean and visible NPK will provide dec...

Страница 4: ...e NPK instruction manual 10 Do not make any alterations to the TOOL without authorization from NPK Engineering 11 Use proper lifting equipment and tools when handling or servicing the HAMMER 12 Wear e...

Страница 5: ...best value available This comprehensive operator s manual contains instructions for operating and maintaining NPK HYDRAULIC HAMMERS This manual includes helpful information for obtaining the full pot...

Страница 6: ...d void Warranties Please consult NPK Engineering for specific detailed information CARRIER WEIGHT lbs kg HAMMER MOUNTING RECOMMENDED RANGE MODEL STYLE lb kg GH06 Excavator 2 200 4 400 1 000 2 000 Skid...

Страница 7: ...5 1650 115 2150 150 350 24 405 28 GH07 4 9 15 35 1500 105 2000 140 350 24 405 28 GH1 7 13 25 50 1750 120 2250 155 350 24 405 28 GH2 GHS2 7 17 25 65 2250 160 2750 190 350 24 405 28 GH3 12 26 45 100 190...

Страница 8: ...HAMMER CONTROL VALVE NPK uses two general types of control systems depending upon the carrier model 1 CONTROL SYSTEM USING THE CARRIER AUXILIARY OR SPARE VALVE SECTION This type of installation utiliz...

Страница 9: ...tem through the hose or tube connection when changing the hydraulic hammer with the bucket 3 Low oil level will cause heat build up resulting in deterioration of the oil Also it may cause cavitation d...

Страница 10: ...into the hammer when re connected This again can cause damage 3 Most quick disconnects create a restriction in the circuit NPK Hammers are not back pressure sensitive but restrictions cause unnecessa...

Страница 11: ...couplers are in good working condition Failure to inspect couplers may result in pieces from a damaged or failed coupler to be injected into the hammer or parts of the coupler returned to the machine...

Страница 12: ...laying the hammer down 3 Cap the pressure and return lines on the carrier and connect the hammer whip hoses 4 Position the hammer DR horizontal on wood blocks t20 and remove boom pins m1 and m2 The h...

Страница 13: ...the machine off 3 Grease the hammer until grease begins to come out around the tool and lower bushing 4 Grease hammer at least once an hour or install an NPK Autolube System See Correct Grease and Gre...

Страница 14: ...e amount of grease and how often it must be applied An example would be that a particular hammer on a particular job requires half a tube of grease every 3 hours This would be the greasing schedule yo...

Страница 15: ...M EP 2 Dryden Oil Company Moly EP 2 Exxon Ronex Extra Duty Moly NLGI 2 Fiske Brothers Refining Co Lubriplate MO LITH No 2 John Deere TY6333 TY6341 Moly High Temp Kendall L 424 Mobil Moly 372 Muscle Pr...

Страница 16: ...DUTY 500 deg NPK PART NO 14 OZ CARTRIDGE G000 1011 120 LB KEG G000 1021 35 LB PAIL G000 1031 400 LB DRUM G000 1041 CHISEL PASTE 2000 deg NPK PART NO 14 OZ CARTRIDGE G000 1050 AUTOLUBE SYSTEMS An auto...

Страница 17: ...olecules to cling together It is the ability of those molecules to resist separation under pressure between two metals and to hold these metal surfaces apart FRICTION The resistance to fluid flow in a...

Страница 18: ...eping a supply of working fluid in a hydraulic system VIBRATION A quivering or trembling motion VISCOSITY Is the actual SAE weight of the product Example motor oils come in 10 20 30 40 50 and 15 40 SA...

Страница 19: ...URE page 37 2 At idle raise the hammer off of the ground Place hammer vertical and activate the hammer circuit for 3 5 second intervals Continue for an additional 3 4 times to ensure that all the air...

Страница 20: ...d the base machine in accordance with the machine manufacturer s instruction manual This is especially important during cold weather operation DAILY START UP PROCEDURE Operate the NPK HYDRAULIC HAMMER...

Страница 21: ...ING DEBRIS FROM THE HAMMER TOOL POINT An impact resistant cab window or shield must be in place to protect the operator Do not use the hammer in a way as to cause rock etc to be thrown towards the cab...

Страница 22: ...control lever or the foot pedal to start the NPK HYDRAULIC HAMMER Applying excessive force to the hammer will raise the carrier too high and jolt the operator when the material breaks Let the NPK HYDR...

Страница 23: ...fulcrum of the tool This unnecessary added stress leads to the following problems 1 Premature bushing wear and or tool breakage 2 Breakage of tie rods 3 Breakage of bracket bolts When the tool binds f...

Страница 24: ...s the tool penetration rate into the material and prevents overheating the tool tip DO NOT HAMMER CONTINU OUSLY IN THE SAME POSITION FOR MORE THAN 30 SECONDS If the tool cannot break or penetrate into...

Страница 25: ...et and will move faster than expected DO NOT USE THE HAMMER OR BRACKET TO MOVE LARGE OBJECTS Do not use the hammer bracket for purposes other than for what is was intended AVOID OPERATING THE HAMMER W...

Страница 26: ...hydraulic system The hammer can be modified for underwater operation contact the NPK Dealer for more information DO NOT SUBMERGE A HOT TOOL IN WATER The tip of the tool may be hot from operation Subm...

Страница 27: ...nt The hammer must be in a vertical position with down force applied to push the tool all the way in This prevents grease from entering piston impact area Pump grease into hammer until grease is seen...

Страница 28: ...for peening caused by excessive blank hammering If necessary grind edges smooth as shown in TOOL RETAINING PIN INSPECTION see page 32 The retaining pin must rotate freely 3 DEMOLITION TOOL Remove the...

Страница 29: ...PC for GH6 Concrete breaking Highway construction General demolition ACCESSORY TOOLS SPECIALTY TOOL SHAPE APPLICATIONS FROST CUTTER Cross cut SX In Line SY for GH07 thru GH4 Edge of trenching Frost cu...

Страница 30: ...4 See page 32 for additional retaining pin inspection and reconditioning Figure 3 RE INSTALLATION 1 Clean the retainer pin housing hole and retaining ring groove 2 Coat the surface of the tool with g...

Страница 31: ...AXIMUM CLEARANCE INCH mm d15 GH06 1 4 6 5 GH07 1 4 6 5 GH1 1 4 6 5 GH2 GHS2 1 4 6 5 GH3 1 4 6 5 GH4 1 4 6 5 GH6 3 8 10 Step 2 Remove the tool from the tool holder Measure the diameter d16 of the beari...

Страница 32: ...AMETER INCH mm MAXIMUM BUSHING INSIDE DIAMETER INCH mm GH06 1 67 42 4 1 87 47 4 GH07 1 87 47 4 2 07 52 6 GH1 2 26 57 4 2 46 62 6 GH2 GHS2 2 61 66 4 2 82 71 6 GH3 3 01 76 4 3 21 81 6 GH4 3 40 86 4 3 61...

Страница 33: ...ION Deformation may occur on the retaining pin in the tool contact area AN If this area is mushroomed the retaining pin may become difficult to remove Dress areas shown AN with a grinder HAMMER MODELS...

Страница 34: ...to remove from the tool holder Dress with a grinder 2 Excessive blank hammering will cause chipping 16 in the retaining pin contact area 15 If neglected the chipping may reduce the life of the tool Dr...

Страница 35: ...150 M10 65 85 N A N A GH07 M12 110 150 M10 65 85 N A N A GH1 M12 110 150 M10 65 85 N A N A GH2 GHS2 M12 110 150 M12 110 150 N A N A GH3 M16 270 365 M16 270 365 M8 30 40 GH4 M18 370 500 M16 270 365 M8...

Страница 36: ...RGE THE HAMMER Exceeding the gas pre charge specifications can result in damaging hammer components The NPK WARRANTY does not cover failures resulting from exceeding the specified nitrogen gas pressur...

Страница 37: ...is important to make sure that pin g14 bottom picture is not bent or damaged in any way If pin g14 is bent or damaged it may not be possible to check the charge in the hammer When the standard NPK gas...

Страница 38: ...the hammer with the tool fully extended THE HAMMER MUST NOT BE RESTING ON THE POINT 2 Remove the charge valve cap M1 3 Turn the NPK charging adapter T handle g2 full counterclockwise 4 MODELS GH06 GH0...

Страница 39: ...the gauge pressure with the NITROGEN GAS PRESSURE CHART see page 35 If the gas pressure is 25 psi 2 bar or more below specification proceed to NITROGEN GAS CHARGING PROCEDURE If the pressure is corre...

Страница 40: ...apter g1 clockwise 6 Turn the handle g7 on the tank regulator counterclockwise to fully close 7 Open the valve g10 on the nitrogen tank by turning the T handle counterclockwise 8 Slowly adjust the reg...

Страница 41: ...ing in the gas head that is different from all other NPK hydraulic hammers After removing the existing plug g12 the adapter g13 part no 30604100 is threaded onto the existing GH06 GH07 GH1 and GH2 GHS...

Страница 42: ...e is encountered By turning the T handle g2 further the nitrogen gas pressure will be indicated on the pressure gauge g8 Stop turning the T handle when the gauge reads pressure Do not over tighten 7 L...

Страница 43: ...ing your user name and password log into the system At the left of the next page click on REGISTRATION Complete the fields with an orange diamond next to them At the bottom of this area click the STAR...

Страница 44: ...43 WARRANTY STATEMENT...

Страница 45: ...ver with a waterproof tarp t21 not shown If the NPK HYDRAULIC HAMMER is not to be used for a long period of time months it is recommended the gas pressure be discharged M The tool HH should be removed...

Страница 46: ...____________ SERIAL NUMBER _______________ NPK INSTALLATION KIT NUMBER ___________________________ CARRIER MANUFACTURER MODEL NUMBER SERIES SERIAL NUMBER DATE OF INSTALLATION _________________ DATE OF...

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