Figure 2-6. Main chassis assembly (110v).
REMOVE AND REPLACE FAULTY HAND PIECE
You have isolated a malfunction to a faulty hand piece. Refer to figures 1-1
a. Turn off the unit.
b. Remove power from the unit.
c. Remove the hand piece.
d. Replace the hand piece with a new one.
e. Restore power to the unit.
f. Perform an operational checkout. Refer to paragraphs 1-7c(1) through (9).
g. Return the unit to service.