a - hammer                      g - selector
                                                                                    b - hammer spring          h - pin
                                                                                    c - trigger                          I - semi-auto sear
                                                                                    d - semi-auto fire sear   j - hammer retarder
                                                                                    e - auto sear                     k - hammer retarded spring
                                                                                    f - auto sear spring auto sear spring

Disassembly of Full Auto trigger mechanism.  - Holding the rifle with the left hand at the receiver, press on the auto sear and disengage the auto sear from the hammer with the right hand and using the drift.  Release the hammer from the sear.  Raise the left end of the hammer spring with the tapered end of the drift and guide it past the hammer's sear notch with the fingers.  Guide the long end of the auto sear spring out of the circular channel of the trigger pin with the screwdriver.  Tap the trigger pin to the left with the drift and remove it.  Gradually pulling the drift out, extract the semi-automatic fire sear from the receiver along with its spring, spring retarder, and hammer retarder with the fingers of the left hand.  Pressing back in the trigger piece with the left index finger, lift the trigger upward and remove it from the receiver with the right hand.  Remove the hammer by pressing with the screwdriver on the long end of the auto sear spring, remove it from the circular channel of the hammer pin.   Tap the hammer pin to the left with the drift.  Holding the hammer with the right hand, remove the hammer pin with the left hand.  Rotate the hammer so the left trunnion is toward the chamber and remove the hammer form the receiver.  Remove the hammer spring from the hammer.  Remove the auto sear.  Tap the auto sear pin to the left with the he drift and remove it.  Remove the auto sear with spring through the magazine well.  Remove the spring from the auto sear.  Remove the selector by rotating the selector upward to the vertical position, move it to the right, and remove it from the receiver.