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  1. #1
    Join Date
    Jan 2007
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    Default Makita Hammer Drill Gearbox - Grease ?

    Last year I bought the box ($1) for the drill and was directed to the trailer full of rubbish for the drill. Being it was a Makita I couldn't refuse. During my recent clean up I found the drill and decidied to strip it and repair it or dump it. It's a HP2010 and on the outside she was well used but not damaged. On the inside she proved she had been for swimming lessons.

    Cleaned te rotor and stator laminations and then the brush area. Since she was turning I left her to dry and tested her. Forward, reverse and variable speed all working (not very variable though).

    Tonight it was time to open the gearbox. One can of WD40 and two rags later she is clean and turning freely. Ufortunately I had to remove all the wood dust filled grease. Can anyone tell me what grease should be used to refill the gear box? There also appears to be a cloth filetr filling a hole on the gearbox casing. Is this a breather and should I do something about the WD40 that must be in it.


    Amazingly the clean up also revealed one Disston and one Spear + Jackson handsaw. These will be another project.

    Nick

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  3. #2
    Join Date
    Apr 2002
    Location
    Brisbane
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    5,773

    Default

    Standard high tempriture wheel bearing grease should do the job quite nicely.
    castrol HTB or similar
    LM... standard grease will probaly be a bit viscous.

    If there is a cloth or felt filter/ breather... wash it out in solvent and dry it however you can.

    cheers
    Any thing with sharp teeth eats meat.
    Most powertools have sharp teeth.
    People are made of meat.
    Abrasives can be just as dangerous as a blade.....and 10 times more painfull.

  4. #3
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    Default

    Sondman thanks for that

    Nick

  5. #4
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    I supose any grease is better lubricant than sawdust
    Any thing with sharp teeth eats meat.
    Most powertools have sharp teeth.
    People are made of meat.
    Abrasives can be just as dangerous as a blade.....and 10 times more painfull.

  6. #5
    Join Date
    Jan 2007
    Location
    bendigo vic
    Posts
    13

    Default

    We ( in our power tool repair shop) use a gen purpose grease - dont over fill. With the switch you wont ever get var speed-crook.
    soak the felt in oil and refit

    Cheers

    Ian

  7. #6
    Join Date
    Jan 2007
    Location
    Brisbane
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    Default

    Thanks Ian I took Soundmans advise and put wheel bearing grease on the gears. No I didn't drown it as what I cleaned out just seemed to cover every thing and that was it. Works like a dream now.

    Thanks,

    Nick

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