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Typical for any carburetor is 1 1/4 to 1 1/2 turns (out). These are just rough settings to get the saw running. Remove chain, turn idle throttle speed screw in to increase idle rpms so its less likely to stall. Follow mfg instructions for starting.
Once running, adjust low speed mix and allow a couple minutes to warm. Then re-adjust low speed and lower idle rpms by turning out idle throttle speed screw. Then with throttle wide open adjust high speed mix. If saw hesitates from idle to full throttle, open low speed mix 1/8 turn and readjust high speed mix.
If saw doesn't fire in 3 or 4 pulls remove plug. If plug is dry no fuel, if wet either no spark or idle mix to rich (or fuel metering may be fouled).
Hi Jason:
Make and model might help but here's two ideas:
1) Remove muffler and clean it. They can get plugged up with carbon and the saw will run at low RPM but will quit because of excess back pressure when you try to rev it up.
2) Set the high and low speed carb settings. Start the saw then gradually increase engine speed until full throttle. Screw the hi-speed needle in slowly. If RPM immediately drops, back it out until Rpm increases, then starts to drop. Screw back in until peak rpm reached, then starts to drop. Back out to peak, then 1/3 turn more.
Set low speed so engine runs smoothly but chain does not turn.
Hope this helps.
check carb settings. turn low speed adjusting screw all the way in then turn it out about 1 1/4 turns out. repeat with high speed screw. when running readjust low speed until proper idle and high speed for proper high rpm .
Place the drop of oil on your finger, and rub in a circular motion on all three razor heads (one drop will suffice for all three). Once you lubricate the three heads, turn the razor on so that the oil is able to move into the chamber. It is suggested to do this once every four weeks.
If you have any additional Philips Norelco questions, you can reach Consumer Care @ 1-800-243-3050.
Remove 2 screws on the back to remove outer cover. Once removed, you will see 3 more screws that must be removed on the inner cover. Remove screws and cover to get to the battery.
When installing the battery, I suggest that you use a modified installation technique. This is to break the tabs off of the old batteries rather that removing them from the circuit board. This allows the old batteries to be removed but leaves the tabs attached to the circuit board. You can them solder the tabs from the new batteries to the old existing tabs
It could be a connector problem between mainboard and your display.
Often it is repairable, but if your tv is 1 year old there's still some waranty left.
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