This utterance is merely recognizing the king as the geyser itself after his transmogrification.
654a. To say: O, O, raise thyself up, N.;
654b. receive thy head, unite thy bones to thee,
654c. collect thy limbs,
When the water stands in the eye of horus it receives its head under the crown and its limbs within the earth become continuous rather than disjointed.
654d. shake the earth (dust of the earth) from thy flesh.
Everything gets wet.
655a. Receive thy bread which cannot mould, thy beer which cannot sour.
The bread of horus is the stone and the "beer" is the effervescent water itself.
655b. Thou standest at the doors, which hold people back.
There are doors at 81' 3" along the mn-canal which stop people from accessing the mehet weret while the king stands. It is dangerous in this area and only specially educated individuals (known as the "blessed dead" are allowed (forced) to work in this area. One above tending the shm-sceptres and one below for the w3s.
655c. He who is chief of his department (or, thigh offering) comes out to thee, he lays hold of thine arm,
655d. and takes thee to heaven to thy father Geb.
81' 3" is the wing of geb where the king is headed. It is nht knw who is chief of the thigh offering. This is the degasification which powers the water and lifts the king to heaven, to geb's wing. He lifts with his thighs and only nht knw can lift the water from nun.
656a. He rejoices at thy approach; he gives his arm to thee;
Geb's arm is his ability to act at a distance and is the mehet weret.
656b. he kisses thee; he embraces thee;
Geb and the spraying water get quite intimate in the upper eye of horus.
656c. he places thee at the head of the spirits, the imperishable stars;
The spirits are the bubbles in the water. The imperishable stars are the bubbles and mist created which makes the rainbow and the shadow of the king above.
656d. they of secret places adore thee;
656e. the great assemble for thee; the watchers stand before thee.
All marvel at the inundation which tosses in the uplands.
657a. Barley is threshed for thee; spelt is reaped for thee;
657b. some is offered for the beginning of thy monthly feasts;
657c. some is offered for the beginning of thy half-monthly feasts,
Probably reflection of the fact that part of the function of the pyramid is agriculturally related.
657d. as something commanded to thee to be done by thy father Geb.
The earth requires that the dead king continues to perform after death.
657e. Lift thyself up, N., thou shalt not die.
The dead king won't really die until he is forgotten. So long as he stands and works he won't be forgotten soon.