Replacing the pistol grip on G&G CM16

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SgtTalbert

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I have just switched out the pistol grip on my G&G CM16 for the G&G Tactical pistol grip.

Quick query on it really, I took the motor out and made sure to note that red was + and black was -. I put the new grip on and screwed in place. Put the motor back in, plugged the red and black wires in. Then I secured in place the new bottom plate that came with the grip.

Now...this is my question...

On the old grip plate there were only two screws to secure it in place, however on the new plate, there are two small allen nuts that secure the plate to the grip and one big screw in the middle, this from what I can see touches the top of the motor (creates a contact?) but because the motor has a spring on it, i can screw the plate screw in quite far - is this normal and have I over screwed??

Cheers

 
The large screw is the motor adjustment screw. It doesn't have a contact; that's the shim to make sure the motor doesn't pull the screw in. You shouldn't touch the large screw other than small adjustments to ensure the height of the motor is correct. If it's in too tight the motor will jam up (skreech loudly), if too loose it will spin without turning the gears.

Basically, unwind it so that the large screw is level with the bottom of the motor plate. Pull the trigger. If the gearbox turns and fires the gun then you know it's not too loose. Now turn it in about one full turn. Pull trigger again. Does it still fire? If yes, was it very skreechy (in too deep) or still sounding normal? If skreechy, turn it back 1/4 turn and try again. If normal, turn in anouther 1/2 turn and try again.

You are aiming for a consistent firing noise but with a smooth contact between the pinion gear on the end of the motor and the gear in the gearbox. If you are happy to, try turning the large screw in or out whilst pulling the trigger on full auto. You should be able to hear the noise change as it either goes in to deep or pulls out of contact. Find the extremes and aim for somewhere in the middle of the adjustment range.

 
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