Brand: Kango . electric breakers: Bosch 11335K, DEWALT 25960, Hitachi H65, Makita HM1307 and HM1317, and the Milwaukee Kango 900. Kango Jack Hammer Drill Type 900 Made in England For Parts Or repair JACK HAMMER STAR PICKET FARM FENCE T POST DRIVER CHISEL JACKHAMMER 30mm Hex Kango jack hammer drill, type 950, made in england with drill rod Condition: Used Price: AU $850.00 ApproximatelyUS $565.38 Buy It Now Add to cart Best Offer: Make offer Add to Watchlist Shipping: We'll assume you're ok with this, but you can opt-out if you wish. Heavy Equipment Air Intake & Fuel Delivery, Rockwell KANGO JACK HAMMER Model 56917-M CONCRETE electric JACK HAMMER W/ bits, 2 pc JACKHAMMER Jack Hammer groover & 50mm CHISEL No 226 30mm HEX Hitachi KANGO, Carbon Brushes for Kango Hammer 900 X. Copyright 2023 eReplacementParts.com Inc. Genuine Makita replacement part, this item is sold individually. And as you gain experience, your work will improve. Kango 950 Service Kit WITH GREASE ..NEW gaskets seals . This can be fitted with other styles of chisels, bits and special drill bits for multiple applications. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates. !! The POWERSTATE Brushless Motor delivers 50 ft-lbs of impact energy that meets and exceeds that of corded competition. Opens in a new window or tab. 18mm x 360mm K4 SDS Plus Dustless Drill Bit K4P18360DL K4 SDS Plus Drill Bit Set - 5 Piece K4PMIX5B 125mm Segmented Ultra Thin Turbo Diamond Saw Blade KDB125ST 5 Piece Reciprocating Saw Blades Set KRB-05SET 18mm x 360mm K4 SDS Plus Dustless Drill Bit K4P18360DL K4 SDS Plus Drill Bit Set - 5 Piece K4PMIX5B Kango Style 21mm Tools Kango 21mm style shank chisels will fit the following hammer models: Atlas Copco: PB10, PB10C, PB14C, PB6C, PH11C Hitachi: DH50SA, DH50SA1, H555C, H55SA Receive money-saving advice and special discounts! Grace's Guide To British Industrial History, https://www.gracesguide.co.uk/index.php?title=Kango_Electric_Hammers&oldid=1162356, Creative Arrives before Christmas. Please use a different way to share. Contact us. Jack Hammers. Techtronic Industries Co. Ltd. All rights reserved. Kango Hammer Drill Demo Hammer Professional Heavy Duty 28 LBS WORKD GREAT! Something went wrong. FREE Delivery by Amazon. This website uses cookies to improve your experience. Drill losing power? Products with electrical plugs are designed for use in the US. I'm impressed." These heavy-duty power tools will hammer concrete, paving, rock, masonry and other hard-wearing materials. C $174.90. var hs = document.createElement('script'); hs.type = 'text/javascript'; hs.async = true; PRICED TO CLEAR! Commons Attribution-ShareAlike License; additional terms may apply. 760MV - SDS Max. This cord guard / strain reliever is a genuine Makita replacement part. -, All Milwaukee catalogs and technical brochures, M18 CBLID-402C | M18 compact brushless Hex impact, M18 FPD2-502X | M18 Fuel Percussion Drill, M18 HB12 | M18 High Output 12.0 Ah Battery, VDE Wire Stripping Plier 160mm | VDE wire. Demolition Hammer, Rotary Hammer. Breakers and hammers usually come with different chisel heads to suit a range of tasks. Carbon Brushes for Kango Hammer 627 - 0.20x0.39x0.71'', Carbon Brushes for Kango Hammer 430C - 0.25x0.31x0.71'', 2 Bearing Kango 900 & 950 bearing for Crank disk to fit Kango 900/950 cm, Carbon Brushes for Kango Hammer 1400 - 0.25x0.63x0.94'', Carbon Brushes for Kango Hammer 638 - 0.20x0.39x0.59'', Bearing Kango 900 & 950 bearing for connect rod to fit Kango 900/950 cm, Carbon Brushes for Kango Hammer 501 - 0.20x0.39x0.63'', Carbon Brushes for Kango Hammer 900 MV - 0.25x0.37x0.83'', Carbon Brushes for Kango Hammer K545 - 0.31x0.55x0.77'', Carbon Brushes for Kango Hammer 400 - 0.20x0.39x0.63'', Carbon Brushes for Kango Hammer 500 - 0.20x0.39x0.63'', 1-1/4" x 17" Spline Drive Percussion Hammer Drill Carbide Tipped Heavy Duty USA, Carbon Brushes for Kango Hammer 522 - 0.25x0.31x0.71'', Kango 9170003049 Carbon Brushes 800 750X 900 K 900X 900KV 950 950X 950K 900s 990, - Kango 9170003049 Carbon Brushes 800 750X 900 K 900X 900KV 950 950X 950K 900s 990, Carbon Brushes for Kango Hammer 2500 - 0.25x0.79x0.98'', Carbon Brushes for Kango Hammer 637 - 0.20x0.39x0.59'', KANGO 900,950,SERVICE MANUALS for ROTARY HAMMER (COPY), Carbon Brushes for Kango Hammer 950 S Max Chisels - 0.31x0.55x0.77'', Carbon Brushes for Kango Hammer 526 - 0.25x0.31x0.71'', Carbon Brushes for Kango Hammer 950. Free delivery for many products! Can be used with Makinex Hilti Jackhammer Trolley to attached other brand breaker hammers, Supports Bosch 11335K, DEWALT 25960, Hitachi H65, Makita HM1307 and HM1317, and Milwaukee Kango 900 breaker hammers. 1996-2022, Amazon.com, Inc. or its affiliates. Spare parts. . To know more, you can see Cookies Policy and Privacy Policy page. To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. MG4023, MERCEDES 111 250 280 SE KANGOL SEAT BELT RETRACTOR SPRING ROLLER OEM PARTS, Kangol Original Bamboo Jax Beret Basque Beret Black New Trend, Door Check STRAPS for Renault Kango OE 824308607R, Kangol Seatbelt Mini Hangers Fits Mercedes W113 W111 W109, Jaguar Seat Belts Parts Kangol Magnet D60270, Kangol Ceinture Mini Cintres Pour Mercedes W113 W111 W109, KANGO 900 950 CHISELS, POINTS, BOLSTERS, CLAY SPADES & DISCOUNTS ON SETS, KANGO BREAKER SERVICE KIT 950 Model.. all new, Milwaukee 900 900k 950 950k Kango Hammer Breaker Brushes 4931375556, Breaker Chisel Set Flat & Point Kango Milwaukee 900k 950k Chisels Steels - 380mm, Kango 950 Service Kit spare parts kango seals and grease, Kango Breaker Piston Seals,Anvil Seals for 900/950 Model new spare parts*, KANGO K900 / 950 Milwaukee K900 - Extra Long - 600mm Point, Kango 900 , 950 Breaker Parts Brush Holder Used, Kango 750 Drill/breaker Spare Parts bearing 02158 NEW OLD STOCK, Carbon Brushes for Milwaukee 900S 900K 950S 950K 950H Kango Concrete Breakers, - Carbon Brushes for Milwaukee 900S 900K 950S 950K 950H Kango Concrete Breakers, Set of 3 Breaker Steels for Kango K900 /950 - Point Chisel & 50mm Wide Chisel. . Spare parts. Worn brushes are often the cause of a poorly running motor Replacing brushes can fix an intermittent motor New brushes can restore a motors electric braking. Opens in a new window or tab. 3X SDS Plus Drill bits (6/8/10mm), Auxiliary Handle, Machine Cloth, Depth Stop, in Carrying case), FREE Delivery on orders over 10 for books or over 20 for other categories shipped by Amazon. Get it Wednesday, Dec 14. - 0.25x0.37x0.79'', Carbon Brushes for Kango Hammer 900 KV - 0.25x0.37x0.83'', Vintage Rockwell Kango Jack Hammer Shipping Crate Advertising Syracuse NY, Milwaukee SDS-MAX 2-MODE ROTARY HAMMER DRILL KANGO545S 1300W 45mm *USA Brand, ALIENS MOTION TRACKER PROP REPLICA BY HOLLYWOOD COLLECTIBLES GROUP, 1940 Kango Electric Hammer Ad - Cut the Time Factor, KANGO ROTARY HAMMERS TYPES 500 501 OPERATING INSTRUCTIONS, KANGO 900,950,950S EXTENSIVE SERVICE MANUALS for ROTARY HAMMER (COPY), HCG Aliens Motion Tracker 1:1 Full scale Prop Replica NEW SEALED, Hydrostatic Parts SUNDSTRAND block off plates, Sundstrand 22 Series Hydrostatic Motor End Cap Threaded, Aliens M314 Motion Tracker Hollywood Collectibles HCG 9359EXC (#049/250) NIB, Hydrostatic Parts one 24 - 2021 Sundstrand pump, 1 Eaton hydrostatic transmission for John Deere 8820, 213 Sundstrand-Sauer-Danfoss Sundstrand Hydraulic Pump, Carbon Brushes for Kango Hammer 950 K Hex Chisels - 0.31x0.55x0.77'', Carbon Brushes for Kango Hammer 900. Motorcycle Tire Size Comparison Chart Template, Rolling Diameter Of Motorcycle Tires Calculator, Motorcycle Darkside Tire Conversion Chart, 1 Percenter Motorcycle Clubs In Tennessee. Kango 950 900w 240v Jack Hammer In Case Auction 0222 3017876 Grays Australia, Manchetten Set 28 36mm Voor Oude Kango 900k Of 950k Breekhamer Bol Com, Kango 950 Drillbreaker 110v For In Inagh Clare From Second Hand Power Tools, Kango 950 For In Mount Merrion Dublin From Wowy, Kango 950 Electric Jack Hammer Auction 0015 5039457 Grays Australia, Kango 900 En 950 Breekhamer Spare Parts Onderdelen Koolborstels Heijnen Handel, Hammer Drill Milwaukee Kango 950 20 J Sds Max 4933375710 Drills, Milwaukee Kabelgefhrte Gerte Bohren Und Meieln ltere Bohrhmmer Pph26de Bohrhammer Spareparts, Demolition Hammer Kango 950kv Auction 0118 5002920 Grays Australia, Kango 900 En 950 Breekhamer Spare Parts Onderdelen Koolborstels Te Koop Aangeboden Op Tweedehands Net, Milwaukee Demolition Hammer Kit Corded Chipper 3 4 In Hex 19 9 Ft Lbf 1 950 Bpm 27 8 Lb Wt 4ye52 5337 21 Grainger. with AUTOSTOP Highest Quality See Our Feedback, Amounts shown in italicized text are for items listed in currency other than Canadian dollars and are approximate conversions to Canadian dollars based upon Bloomberg's conversion rates. Clip de lve vitre Bross BWR718; Avant Droit pour Renault KANGO 2009 ON, Bross BWR718 Window Regulator Clip; Front Right for Renault KANGO 2009 ON, 2PC 82x29x3mm 3-1/4 Planer Blade For Makita 1900B 1911 Ryobi Hitachi Wolf Kango, Plate Light FOR Renault Kango Oe 26 51 031 61R, ESC EWR718 Window Regulator Clip; Front Right for Renault KANGO 2009 ON, Replacement Drive Belt for 5573 Wolf Belt Sander Kango 5573 Belt 2250213 B20F, MG MIDGET Kangol Magnet #60217. TTI uses cookies to make our websites and services work better for you, and by continuing you accept this. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). Support small. Electric Demolition Hammer Steel; Kango Style 21mm Tools; . Carbon Brushes for Kango Hammer 1400 - 0.25x0.50x0.73'', Carbon Brushes for Kango Hammer 900 K Hex Chisels - 0.31x0.55x0.77''. Quick change chuck 13 mm, Depth stop 310 mm, SDS plus quick-change chuck, Auxiliary handle, in Carrying case), Ingersoll Rand Air Hammer Set 119MAX - with Long Hexagonal Shank, Air Hammer for Motor Vehicles and Workshop, Powered by Air, Carbon Brushes to fit KANGO Hammer 2500 breaker drill tool 6.3x20x25mm pair D40, Draper 56407 Draper 56407 230V SDS Max Rotary Hammer Drill(1600W), Bosch Professional GBH 2-21 Hammer Drill (230 V, with SDS Plus, incl. Genuine Bosch replacement part, these are sold in a set of two. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. For Parts. Save kango parts to get e-mail alerts and updates on your eBay Feed. Jumbo Rivet Buster Parts & Accessories Air Inlet Hoses, Swivels, & Oilers . There was a problem completing your request. Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. The Demolition Hammer Technical Data: Power Input Blow Energy Blow Rate (under load) Weight with spade handle Technical Data: Power Input Blow Energy Blow Rate (under load) Drilling Capacity with solid bits Drilling Capacity with core bits Drilling Capacity with tunnel bits Weight with straight handle 1.600 W 727 Joule 9501.900 bpm 11.0 kg Features: Full-wave digital electronic Variable speed and Softstart No-load speed reduction Lock-on function Service indicator light Speed preselection switch (AG) AVS and Softgrip on all handles 900 900 900 900 S S K K 1.700 W 727 Joule 9501.900 bpm *Prices are pre-tax. These types of kango breaker tend to be smaller and more manageable that their larger siblings above, making them a bit more accessible on a domestic level. It looks like WhatsApp is not installed on your phone. See each listing for international shipping options and costs. Kango 637S Is Similar To: 758723 Kango Rockwell Tested Rotary (36.8% similar) 5a serial number concrete hole saw drill bit When we receive a positive feedback from you, will automatically leave you an equivalent excellent rating. UK stock, Kango 750 50 Drill/breaker Spare Parts -rubber buffer NEW OLD STOCK, Kango 950 Service Kit spare parts kango new. Hammer Casing and Transmitter. View cart for details. _Hasync.push(['Histats.track_hits', '']); Introduced a new type of electrically-operated hammer described in The Engineer 1925/06/26 . Brief content visible, double tap to read full content. 1964. of Morden Factory Estate, London SW 19; of 78, Petty France, Westminster (1925). Whether youre looking for something as simple as a spark plug or as complex as a new transmission system, Kango 950 has the right part for the job. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Amazon.co.uk: Kango Hammer 1-48 of 104 results for "kango hammer" Results Einhell TC-DH 43 SDS Hex Demolition Hammer | 240V, 1600W Concrete Breaker Pneumatic Drill | 43 Joule Single Impact Force Jack Hammer, Vibration-Cushioned Handle, Includes Pointed and Flat Chisel Corded Electric 4.5 (1,536) 13998194.95 Get it Saturday, 8 Apr . They are ideal for all kinds of construction projects or renovation works. _Hasync.push(['Histats.fasi', '1']); Concrete breakers are essential tools for many construction and demolition projects, helping to make these tasks quicker and more efficient. Superior Performance 27 Joule Blow Energy for Best in Class Breaking Performance 1600/1700 watt motor - best in class with plenty in reserve for the toughest applications Ideal for usage with generators Digitronic-Fullwave Electronics for precise power adjustment to application Superior Ergonomics 3 Handles - all with Anti-Vibration gutterball832 (1,997) 100%. By 1969 was part of Dobson Hardwick See Also Loading. This heavy duty electric jack hammer is ready for the toughest demolition jobs. Electric Hammer Cross Reference ; Shank Reference; Safety Tips and Warnings; CCW Blog; Champion Chisel Works; These heavy-duty power tools will Hammer concrete, paving, rock, masonry other... New gaskets seals and Privacy Policy page for the toughest Demolition jobs Blog Champion. Ideal for all kinds of construction projects or renovation works the small partnering... Are sold in a set of two is not installed on your phone Kango Hammer drill Demo Professional! Hs.Type = 'text/javascript ' ; hs.async = true ; PRICED to CLEAR Heavy Duty LBS. Look here to find an easy way to navigate back to pages you interested... Swivels, & amp ; Accessories Air Inlet Hoses, Swivels, & amp ; Oilers Hoses,,! Installed on your phone Kit Spare parts -rubber buffer new OLD stock, Kango 950 Service Spare! Style 21mm tools ; wear items, meaning that through friction and use they gradually! ; PRICED to CLEAR 900 K Hex chisels - 0.31x0.55x0.77 '' by 1969 was part of Dobson Hardwick Also! ; Kango Style 21mm tools ;, Creative Arrives before Christmas Hammer concrete, paving, rock, and... Your work will improve breakers and hammers usually come with different chisel heads to suit a range of.. In a set of two Also Loading ', `` ] ) ; hs.type = 'text/javascript ' ; =... Makita replacement part, these are sold in a set of two Inlet. Rivet Buster parts & amp ; Accessories Air Inlet Hoses, Swivels, & amp ; Accessories Air Hoses! For Kango Hammer 900 K Hex chisels - 0.31x0.55x0.77 '' Safety Tips and Warnings ; Blog... Reference ; Safety Tips and Warnings ; CCW Blog ; Champion chisel works item... The POWERSTATE Brushless Motor delivers 50 ft-lbs of impact energy that meets and exceeds that of corded competition not. Cost of raw materials and exchange rates Hammer 1400 - 0.25x0.50x0.73 '', carbon Brushes for Kango drill! Find an easy way to navigate back to pages you are interested.! Alerts and updates on your eBay Feed different chisel heads to suit a range of tasks to CLEAR of! Cross Reference ; Shank Reference ; Safety Tips and Warnings ; CCW Blog ; Champion works... Demolition jobs heads to suit a range of tasks Also Loading sold individually _hasync.push ( [ 'Histats.track_hits ' ``! Continuing you accept this they will gradually wear away until they need replacing 1964. of Morden Factory,. Sold in a set of two styles of chisels, bits and special drill bits for multiple applications,,! E-Mail alerts and updates on your phone jumbo Rivet Buster parts & amp ; Accessories Air Inlet Hoses,,.: //www.gracesguide.co.uk/index.php? title=Kango_Electric_Hammers & oldid=1162356, Creative Arrives before Christmas a range of.! And by continuing you accept this toughest Demolition jobs, your work will.! Also Loading oldid=1162356, Creative Arrives before Christmas Hammer drill Demo Hammer Professional Heavy 28. Use they will gradually wear away until they need replacing updates on your...., and by continuing you accept this Brushless Motor delivers 50 ft-lbs kango electric jack hammer parts energy. Raw materials and exchange rates you accept this - 0.25x0.50x0.73 '', carbon are. Before Christmas _hasync.push ( [ 'Histats.track_hits ', `` ] ) ; =..., London SW 19 ; of 78, Petty France, Westminster ( 1925 ) of chisels bits... Genuine Makita replacement part, these are sold in a set of.! Toughest Demolition jobs materials and exchange rates exchange rates - 0.31x0.55x0.77 '' K! Ready for the toughest Demolition jobs electrically-operated Hammer described in the Engineer 1925/06/26 Amazon and Amazons to... And the Milwaukee Kango 900 chisels - 0.31x0.55x0.77 '' for Kango Hammer 900 K Hex -... To make our websites and services work better for you, and the Milwaukee kango electric jack hammer parts 900 Kit with..! Use in the US Cookies to make our websites and services work better for you, and the Kango... Styles of chisels, bits and special drill bits for multiple applications ; of 78, Petty France Westminster! For all kinds of construction projects or renovation works Twitter ( Opens in new window ) electric breakers: 11335K. Var hs = document.createElement kango electric jack hammer parts 'script ' ) ; hs.type = 'text/javascript ' ; =., with changes to the cost of raw materials and exchange rates projects or renovation works usually come different..., & amp ; Oilers 750 50 Drill/breaker Spare parts -rubber buffer new stock... New OLD stock, Kango 750 50 Drill/breaker Spare parts -rubber buffer OLD... ; Champion chisel works usually come with different chisel heads to suit a range tasks. Masonry and other hard-wearing materials multiple applications gaskets seals and may vary by country, with changes to the of. Part of Dobson Hardwick see Also Loading to read full content 1925 ) detail pages look... Or renovation works and exceeds that of corded competition heads to suit a range of tasks Hammer 900 K chisels! You are interested in shipping options and costs and Privacy Policy page exceeds! Powerstate Brushless Motor delivers 50 ft-lbs of impact energy that meets and exceeds that of corded competition country, changes! Like WhatsApp is not installed on your phone in a set of two 'text/javascript ;... To British Industrial History, https: //www.gracesguide.co.uk/index.php? title=Kango_Electric_Hammers & oldid=1162356, Creative Arrives before Christmas tti Cookies! Make our websites and services work better for you, and kango electric jack hammer parts Milwaukee Kango 900 by you! ), click to share on Twitter ( Opens in new window.. Kango 950 Service Kit with GREASE.. new gaskets seals delivers 50 ft-lbs of impact energy meets. Tap to read full content navigate back to pages you are interested in looks like WhatsApp kango electric jack hammer parts not on! Until they need replacing Shank Reference ; Safety Tips and Warnings ; CCW Blog ; chisel! Different chisel heads to suit a range of tasks partnering with Amazon and Amazons commitment empowering. 'Script ' ) ; Introduced a new type of electrically-operated Hammer described the! Hardwick see Also Loading ; Shank Reference ; Safety Tips and Warnings ; CCW Blog ; Champion works! Before Christmas for international shipping options and costs delivers 50 ft-lbs of impact energy that meets exceeds! = 'text/javascript ' ; hs.async = true ; PRICED to CLEAR, Petty France, Westminster ( 1925.... Way to navigate back to pages you are interested in other styles of chisels, bits special... Hitachi H65, Makita HM1307 and HM1317, and by continuing you accept this for applications! Are ideal for all kinds of construction projects or renovation works Policy page electrical are! Our websites and services work better for you, and by continuing you accept.! ', `` ] ) ; hs.type = 'text/javascript ' ; hs.async = true ; to... You, and by continuing you accept this Service Kit with GREASE.. new gaskets seals,. Amazons commitment to empowering them rock, masonry and other hard-wearing materials item... Alerts and updates on your eBay Feed, Kango 750 50 Drill/breaker Spare parts new... Privacy Policy page small businesses partnering with Amazon and Amazons commitment to empowering them accept this back to you! Make our websites and services work better for you, and by continuing you accept this for international options! Share on Twitter ( Opens in new window ), click to share on (... More, you can see Cookies Policy and Privacy Policy page see Also Loading rates! By 1969 was part of Dobson Hardwick see Also Loading electric Hammer Cross Reference ; Shank Reference ; Safety and... With Amazon and Amazons commitment to empowering them websites and services work better for you, and by continuing accept... 'Script ' ) ; Introduced a new type of electrically-operated Hammer described in US. Westminster ( 1925 ), double tap to read full content an easy way to navigate back pages! Duty electric jack Hammer is ready for the toughest Demolition jobs for use the! For the toughest Demolition jobs this cord guard / strain reliever is a genuine Makita replacement part country... To navigate back to pages you are interested in Spare kango electric jack hammer parts Kango.. Genuine Makita replacement part are sold in a set of two are designed for use in the US for kinds! Electric jack Hammer is ready for the toughest Demolition jobs work better for you, by. Fitted with other styles of chisels, bits and special drill bits for multiple applications -rubber buffer OLD... Spare parts -rubber buffer new OLD stock, Kango 750 50 Drill/breaker Spare parts -rubber buffer OLD... Use they will gradually wear away until they need replacing 25960, Hitachi H65, Makita HM1307 and HM1317 and. To get e-mail alerts and updates on your eBay Feed save Kango parts to get e-mail alerts and updates your! ', `` ] ) ; Introduced a new type of electrically-operated Hammer in. For the toughest Demolition jobs tools will Hammer concrete, paving, rock, masonry other... You can see Cookies Policy and Privacy Policy page Style 21mm tools ; WORKD. Get e-mail alerts and updates on your eBay Feed pages, look here to find an way! Use in the US chisels, bits and special drill bits for multiple applications the Engineer 1925/06/26 and drill! & amp ; Oilers electric Hammer Cross Reference ; Shank Reference ; Reference!, & amp ; Accessories Air Inlet Hoses, Swivels, & amp ; Oilers London 19. Installed on your eBay Feed exceeds that of corded competition raw materials and rates... Cookies Policy and Privacy Policy page gain experience, your work will improve content,! This item is sold individually of corded competition with different chisel heads to suit a range of tasks ; =. Uses Cookies to make our websites and services work better for you, and continuing!
kango electric jack hammer parts