I bought a secondhand Ryobi circular saw and need to replace the blade but when I turn the nut to release the blade the armature seems to turn also. Am I doing it wrong ro is there an easy way to do it?
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Re: Ryobi Circular Saw
new Ryobi have a spindle lock button, it is unobtrusive and you may miss it
If yours does not, secondhand etc, a screwdriver in the blade teeth between the upper and lower guards provides a locking bar enough to undo the arbor bolt
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The battery does not contain any "oil", and should not be leaking any fluid whatsoever. Since it is doing so during use or charging, it points to leakage caused by slight thermal expansion under load. This is bad, as these are Li+ cells. If you are sure the leakage is coming from the battery, stop using it, seal it in a safe container, and dispose of the battery properly. To verify it is the battery, check and see if another (NEW) battery has this same "issue" under your normal usage.
The physical differences between two models of Ryobi batteries is: - The P103 (Part Number 130429008) is a 1.5 Amp/Hour (a measure of how long a battery lasts on a charge) battery. If totally discharged it takes about 15-20 minutes to charge back to full. It is lighter than the P104 because it has half the cells inside. Lighter, quicker to recharge, quicker to discharge, shorter lifespan. - The P104 (Part Number 130429017) is a 3.0 Amp/Hour battery. It takes about 30-35 minutes to charge it to full if fully discharged. Slightly heavier, longer time to discharge & recharge, longer lifespan. Considerations: - No difference between batteries in the performance of your tools. - The number of times you discharge and recharge a battery determines a batteries lifespan. That's why most manuals will tell you to fully discharge a battery before putting it on a charger. - If you only have one battery you cannot use your tools while it is recharging. On big projects you have to have two batteries. - The weight difference between batteries is negligable unless you are working with the tool in your hand for extended periods.
When you insert a battery for charging, which light(s) combination do you see?. There should be red,green and yellow and different individual lights or combinations of lights mean different things. If only the red light goes on, chances are the batteries are to cold to charge. They will not charge below 32F so if your charger is in the garage, take the batteries in the house until they are room temp then try again. If you still have a problem and the unit or batteries are are less than 2 yrs old they should be be under warranty.
The battery isn't any good. The charger is just going through it's regular steps. (I know how it is. I just bought two Ryobi 18 volt batteries for my Ryobi cordless drill, reciprocating saw, flashlight, trim circular saw, combo set. $60 for two batteries)