Question about Hitachi H45FRV Round Hex Demolition Hammer

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Important features what are the most important featurs you need to check ?

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Power, raw strength, comfort and vibration

Posted on Aug 27, 2008

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WHat kind of oil is required. Rotella #40 is not immediately available in Austalia. I suspect a standard30/40 oil may be ok. PLs advise.


No, that will burn you seals and o-rings in a short time
15w40 or that kind of Oil will go on like syrup no then you go for a new service kit of seals and rings .
But the important things that are quickly to see .
If its a heavy old large hammer 10 kilo or more with a heavy battle piece then use a hammer fat(grease)only if there is no oil fill glass present. in place, but if it looks that oil has seated and the parts are made for high speed, use at least a zinc-free hydraulic oil Because of the heat dissipation, which is really high because of the internal air compression.
Oil for a high-pressure cleaner which have a one-time oil filling without oil filler cap which oil can also be used.
Turmopol oil brand Hilti always good but is very expensive.

Mar 06, 2016 | Demolition Hammers

1 Answer

I have a PH65A Makita hammer demolition and it start working for about 10 seconds breaking and after that the hammering power slow and losses it's power hit even that motor keeps working, why?


first ordernumber 931848 lubrication necessary it has its working hours on it.
parts to change in priority
1 x 944-927 , 949457Z , 956-960 , 944-936 , 956-965 ,
999032 , 956-996 , 944-928
the important thing is that the machine is airtight at the front so as not to burn the O-rings through the air and incoming dirt friction look the orings good and if the lock bolt on the front feel not smooth replace that also and every oil seal you can find its different what should neccesary but that the tool runs with thick and dirt beaten oil . solvent clean the hard metal parts and replace if there are grooves on or cracks
Hitachi PH 65A Demo Hammer Parts

Feb 28, 2016 | Makita Demolition Hammers

2 Answers

Need diagram for kango 900 concrete hammer drill


Hi Vicki
Is it the old all silver one or the new one with the red motor housing?

May 19, 2012 | Milwaukee Tool Demolition Hammers

1 Answer

D25900 demo hammer grease


Breaker chisel fat of any brand is alowed thats important for the guiding fields in the locking sleeve and also a little longer lasting of the stroke bolt.
Its a good thing but in practice 70% of the proffesional workers does nothing used on the chisel.
BUT ...
Small independent workers usually.

Apr 01, 2012 | Dewalt Demolition Hammers

2 Answers

Where do I ad oil to a makita hm1500 demolition hammer


Go to http://www.makitatools.com/en-us/Modules/Home/Default.aspx, put your model number in search box in the top right. Two models of the HM1500 will come up, select yours and open the owner's manual. Find the paragraph labeled 'Lubrication' and follow it precicely. Demo hammers are very picky about what type of grease they use and how much. Too thick and they won't work, too thin and they won't lubricate properly and the parts inside are very expensive to replace. Same applies to how much to use.

Jan 20, 2012 | Makita Demolition Hammers

2 Answers

Dewalt demolition hammer stopped hammering. motor runs but no hammer action


could be a few problems, the striker could be stuck from debris or the ram might be hydraulically locked. they make a rebuild kit for this tool if you are mechanically inclined. I would suggest first going to their site and downloading a parts breakdown and there you will find what is involved and the parts listing. It is "dewaltservicenet.com" and on the left hand side type in your model number and then follow the links to download this. Let me know if you need more assistance.

Apr 22, 2011 | Dewalt 15 Amp 3/4" Hex Demolition Hammer -...

1 Answer

Hello - I have a Hitachi Demolition Hammer PH-66A. What type of oil should I use in it? Thanks.


Hitachi sells a pneumatic oil for use in its air power tools. Your local Hitachi dealer, or any pneumatic dealer will sell the oil. The brand is not as important as using a few drops directly into the air fitting when starting a day of work. If used heavily, oil it again mid way through the working day.

Jan 25, 2010 | Hitachi Demolition Hammers

1 Answer

Have a problem with bosch brute jackhammer, quit working while using it, replaced switch, still nothing, anyone that can help?


did you check the cord first? after that I would check the brushes and make sure the switch wired correctly. Let me know if you need more assistance.

Dec 15, 2009 | Bosch Demolition Hammers

2 Answers

My makita hmo860c breaker drill has stopped working power light is on ?


I purchase a rotory hammer on ebay and it was listed as a makita, i was trying to get a spare part for it from makita. I gave them the information that is printed on a lable on the side of the drill, 66015c, 850W 110V,26mm and to my suprise they told me that it was not one of their drills, I have a few of these drills still being sold on ebay as makita. is there anyway that anyone can help me with this query.

Aug 30, 2009 | Makita Demolition Hammers

1 Answer

Features Support


accessible power controls, in-line body which provide nice balance in various working positions, power dial which is easy to read and reach and also large and accessible enough to use with gloves on or of.

Aug 27, 2008 | Makita HM1211B 20lb. Demolition Hammer

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