TM 5-6675-317-14
5-16.3 Replace Circuit Board.
MOS :
41B, Topographic Instrument Repair Specialist
TOOLS: Flat Tip Screwdriver
SUPPLIES:
Circuit Board
WARNING
Death or serious injury may occur from electrical shock unless power cord
is unplugged before servicing.
a. Turn off power and unplug power cord.
b.
Remove screws and washers holding stainless steel tank and casing
to chassis.
c.
Lift stainless steel tank and casing free. Set aside.
NOTE
Do not disconnect wires to transducer.
d. Remove three screws, one nut,
chassis.
e. Tag and disconnect power cord
board.
and one washer holding circuit board to
wires and power switch wire from circuit
5-14