Question about Saws
Have the armature out and the non drive end bearing removed.
Here offered is a video by Taimo T that offers the entire process. Close attention is needed to absorb his procedure. The foundation is the basis for angle electric grinders.
Angle Grinder And Its Bearings
Please watch the entire presentation.
A small bearing puller works best. Here is examples of one to buy or borrow.
ATD Tools 3056 Bar Type Puller Bearing Separator Set in Molded Storage and....
Pump Pulley Remover Straight Type Two Claws Bearing Puller
Wilmar W137P 6 3 Jaw Gear Puller
Neiko 19 Piece Automotive Bushing Bearing Driver Tool Set
The alternative is to squeeze the old bearing in a vice with soft jaws . Then move the end shaft with a brass hammer or punch to remove with an internal fit.
Posted on Dec 13, 2014
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Posted on Jan 02, 2017
If the armature is shot, it will spark a lot where the brushes are touching the armature comutator. To remove the armature:1 Remove brushes. 2 Remove 4 screws holding the gear box. 3 Pull away gear box from the body. The armature may come with the gear box or not, it's only pushed in, so you should have no problem to disassemble it. If the armature stay in the grinder, use two skrew drivers to pray it out. You may not see anythink wrong with it, but it may be no good . That's Makita special, they don't make it good as they used to. The price for new grinder is about $130, for armature $65. field $40
Posted on Mar 08, 2009
SOURCE: angle grinder
on a grinder the nut that holds the wheel on has left handed threads.....that means it has to be turned in the opposite direction than conventional nuts do..there should be a button on the casing to hold in..this keeps the grinding wheel from turning wheel being removed....remember to unplug first..thanks and have a great day
Posted on Jan 03, 2010
Are you replacing both gears? The armature gear (pinion) is usually held on with a nut or else is pressed on. The spindle gear is also pressed on. Most spindle gears will come as an assembly with the gear and spindle and housing all together.
If yours doesn't, then the spindle will need to be pressed out of the housing, and then the gear pressed off of the spindle. (Always replace the grease as well when replacing gears.)
Posted on Apr 24, 2012
If you have a shot armature then it will spark a lot where the brushes are touching the armature comulator.
To remove the armature:1 Remove brushes. 2 Remove 4 screws holding the gear box. 3 Pull away gear box from the body. The armature may come with the gear box or not, it's only pushed in, so you should have no problem to disassemble it. If the armature stay in the grinder, use two skrew drivers to pray it out. You may not see anythink wrong with it, but it may be no good .
If my information helped you plz give me markings. Thanks
Posted on May 17, 2012
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